{"id":18877,"date":"2023-12-21T03:22:03","date_gmt":"2023-12-21T03:22:03","guid":{"rendered":"https:\/\/www.rapidseedbox.com\/?p=18877"},"modified":"2026-02-18T09:15:50","modified_gmt":"2026-02-18T09:15:50","slug":"ssh-ipv6","status":"publish","type":"post","link":"https:\/\/www.rapidseedbox.com\/vi\/blog\/ssh-ipv6","title":{"rendered":"SSH sang IPv6: H\u01b0\u1edbng d\u1eabn \u0110\u1ea7y \u0111\u1ee7"},"content":{"rendered":"<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Ren-Reads-SSH-To-IPv6.mp3\"><\/audio><figcaption class=\"wp-element-caption\"><em><strong>B\u1ea3n Audio (Nh\u1ea5n Play &amp; Cu\u1ed9n Li\u1ec1n M\u1ea1ch \u0110\u1ebfn H\u1ebft B\u00e0i Vi\u1ebft \u25b6\ufe0f\ud83c\udfb6)<\/strong><\/em><\/figcaption><\/figure>\n\n\n\n<p><em>L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 SSH sang m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 IPv6? L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh SSH (tr\u00ean m\u00e1y ch\u1ee7 ho\u1eb7c m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n) \u0111\u1ec3 ch\u1ea5p nh\u1eadn k\u1ebft n\u1ed1i IPv6? \u0110\u00e2y l\u00e0 nh\u1eefng c\u00e2u h\u1ecfi v\u1ec1 M\u00e1y kh\u00e1ch v\u00e0 M\u00e1y ch\u1ee7 SSH m\u00e0 ch\u00fang t\u00f4i s\u1ebd tr\u1ea3 l\u1eddi trong h\u01b0\u1edbng d\u1eabn n\u00e0y. <\/em><\/p>\n\n\n\n<p><strong>T\u00f3m l\u1ea1i: \u0110\u1ec3 SSH sang IPv6, (tr\u00ean b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean UNIX n\u00e0o), h\u00e3y s\u1eed d\u1ee5ng l\u1ec7nh sau: <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh username@your_server_ipv6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Nh\u01b0ng kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf l\u1ec7nh \u0111\u01a1n gi\u1ea3n n\u00e0y. <\/p>\n\n\n\n<p>\u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam xin vui l\u00f2ng \u0111\u1ecdc ti\u1ebfp.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH-to-IPv6.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"531\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH-to-IPv6-1024x531.png\" alt=\"SSH to IPv6\" class=\"wp-image-25732\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH-to-IPv6-1024x531.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH-to-IPv6-300x155.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH-to-IPv6-1536x796.png 1536w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH-to-IPv6-18x9.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH-to-IPv6.png 1748w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><em>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch thi\u1ebft l\u1eadp SSH v\u00e0 IPv6 (trong Ubuntu Linux), \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 giao ti\u1ebfp m\u1ea1ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. Ch\u00fang t\u00f4i s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ecdi th\u1ee9 t\u1eeb c\u00e0i \u0111\u1eb7t v\u00e0 \u0111\u1ecbnh c\u1ea5u h\u00ecnh SSH \u0111\u1ebfn b\u1eadt IPv6 v\u00e0 qu\u1ea3n l\u00fd c\u1ea5u h\u00ecnh m\u1ea1ng. Ch\u00fang t\u00f4i c\u0169ng s\u1ebd xem x\u00e9t m\u1ed9t s\u1ed1 l\u1ec7nh SSH ph\u1ed5 bi\u1ebfn cho m\u1ea1ng IPv6, t\u00f3m t\u1eaft nhanh v\u1ec1 c\u00e1ch SSH sang IPv6 trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c v\u00e0 cung c\u1ea5p cho b\u1ea1n m\u1ed9t s\u1ed1 m\u1eb9o kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u1ec3 gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 ph\u00e1t sinh.<\/em><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">M\u1ee5c l\u1ee5c<\/h2>\n\n\n\n<ol>\n<li><a href=\"#01\">Thi\u1ebft l\u1eadp SSH v\u00e0 IPv6 tr\u00ean Ubuntu<\/a>\n<ul>\n<li>C\u00e0i \u0111\u1eb7t M\u00e1y ch\u1ee7 SSH<\/li>\n\n\n\n<li>\u0110\u1ecbnh c\u1ea5u h\u00ecnh SSH<\/li>\n\n\n\n<li>K\u1ebft n\u1ed1i v\u1edbi M\u00e1y ch\u1ee7 qua SSH<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"#02\">K\u00edch ho\u1ea1t v\u00e0 \u0110\u1ecbnh c\u1ea5u h\u00ecnh IPv6 tr\u00ean Ubuntu<\/a>\n<ul>\n<li>Ki\u1ec3m tra C\u1ea5u h\u00ecnh IPv6 Kernel<\/li>\n\n\n\n<li>\u0110\u1ecbnh c\u1ea5u h\u00ecnh M\u1ea1ng IPv6<\/li>\n\n\n\n<li>B\u1ea3o m\u1eadt v\u00e0 C\u1ea5u h\u00ecnh M\u1ea1ng \u0111\u1ec3 Thi\u1ebft l\u1eadp SSH IPv6<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"#03\">C\u00e1c l\u1ec7nh SSH Ph\u1ed5 bi\u1ebfn v\u00e0 Qu\u1ea3n l\u00fd M\u1ea1ng IPv6<\/a>\n<ul>\n<li>C\u00e1c l\u1ec7nh SSH C\u01a1 b\u1ea3n<\/li>\n\n\n\n<li>C\u00e1c l\u1ec7nh SSH IPv6 C\u01a1 b\u1ea3n<\/li>\n\n\n\n<li>C\u00e1c l\u1ec7nh SSH N\u00e2ng cao<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"#04\">SSH sang Ipv6 v\u00e0o C\u00e1c H\u1ec7 th\u1ed1ng Kh\u00e1c<\/a>\n<ul>\n<li>C\u1ea5u h\u00ecnh SSH IPv6 trong Thi\u1ebft b\u1ecb Cisco<\/li>\n\n\n\n<li>SSH IPv6 trong Windows v\u00e0 PowerShell.<\/li>\n\n\n\n<li>SSH IPv6 tr\u00ean macOS.&nbsp;<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"#05\">C\u00e2u h\u1ecfi Th\u01b0\u1eddng g\u1eb7p v\u1ec1 Kh\u1eafc ph\u1ee5c S\u1ef1 c\u1ed1<\/a><\/li>\n\n\n\n<li><a href=\"#06\">L\u1eddi k\u1ebft<\/a><\/li>\n<\/ol>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"01\">1. Thi\u1ebft l\u1eadp SSH v\u00e0 IPv6 tr\u00ean Ubuntu<\/h2>\n\n\n\n<p>Thi\u1ebft l\u1eadp Secure Shell v\u00e0 <a href=\"https:\/\/www.rapidseedbox.com\/vi\/ipv4-rental\/?blog=ssh-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6<\/a> tr\u00ean Ubuntu bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c m\u1ea1ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. <strong>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng b\u01b0\u1edbc, bao g\u1ed3m c\u1ea5u h\u00ecnh v\u00e0 l\u1ec7nh.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a. B\u01b0\u1edbc 1: C\u00e0i \u0111\u1eb7t M\u00e1y ch\u1ee7 SSH<\/h3>\n\n\n\n<ul>\n<li>M\u1edf thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u1ee7a b\u1ea1n v\u00e0 c\u1eadp nh\u1eadt danh s\u00e1ch g\u00f3i c\u1ee7a b\u1ea1n v\u1edbi:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo apt update.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>C\u00e0i \u0111\u1eb7t m\u00e1y ch\u1ee7 OpenSSH v\u1edbi (n\u1ebfu n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o t\u1ea1i \u0111\u00e2y):<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo apt install openssh-server<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_9.png\"><img decoding=\"async\" loading=\"lazy\" width=\"774\" height=\"149\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_9.png\" alt=\"setting up SSH IPv6\" class=\"wp-image-18886\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_9.png 774w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_9-300x58.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_9-18x3.png 18w\" sizes=\"(max-width: 774px) 100vw, 774px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li>Sau khi c\u00e0i \u0111\u1eb7t, d\u1ecbch v\u1ee5 SSH s\u1ebd t\u1ef1 \u0111\u1ed9ng kh\u1edfi ch\u1ea1y. \u0110\u1ec3 ki\u1ec3m tra tr\u1ea1ng th\u00e1i c\u1ee7a n\u00f3, s\u1eed d\u1ee5ng: <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo systemctl status ssh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_5.png\"><img decoding=\"async\" loading=\"lazy\" width=\"875\" height=\"344\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_5.png\" alt=\"setting up IPv6 SSH\" class=\"wp-image-18882\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_5.png 875w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_5-300x118.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_5-18x7.png 18w\" sizes=\"(max-width: 875px) 100vw, 875px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">b. B\u01b0\u1edbc 2: \u0110\u1ecbnh c\u1ea5u h\u00ecnh SSH (T\u00f9y ch\u1ecdn)<\/h3>\n\n\n\n<ul>\n<li>T\u1ec7p c\u1ea5u h\u00ecnh ch\u00ednh cho SSH l\u00e0 \/etc\/ssh\/sshd_config. <strong>T\u1ea1o b\u1ea3n sao l\u01b0u tr\u01b0\u1edbc khi ch\u1ec9nh s\u1eeda: <\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><span style=\"font-weight: 600;\">sudo cp \/etc\/ssh\/sshd_config \/etc\/ssh\/sshd_config.bak<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>M\u1edf t\u1ec7p \u0111\u1ec3 ch\u1ec9nh s\u1eeda b\u1eb1ng:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo nano \/etc\/ssh\/sshd_config (or sudo vi \/etc\/ssh\/sshd_config)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li><strong>B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 thay \u0111\u1ed5i t\u1ea1i \u0111\u00e2y, nh\u01b0:<\/strong>\n<ul>\n<li>Thay \u0111\u1ed5i c\u1ed5ng SSH m\u1eb7c \u0111\u1ecbnh (C\u1ed5ng 22) th\u00e0nh c\u1ed5ng t\u00f9y ch\u1ec9nh \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/li>\n\n\n\n<li>V\u00f4 hi\u1ec7u h\u00f3a \u0111\u0103ng nh\u1eadp root b\u1eb1ng c\u00e1ch \u0111\u1eb7t PermitRootLogin no.<\/li>\n\n\n\n<li>H\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp SSH \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u1ee5 th\u1ec3 t\u1ea1i AllowUsers username.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_10.png\"><img decoding=\"async\" loading=\"lazy\" width=\"907\" height=\"752\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_10.png\" alt=\"IPv6 SSH configuration file\" class=\"wp-image-18887\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_10.png 907w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_10-300x249.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_10-14x12.png 14w\" sizes=\"(max-width: 907px) 100vw, 907px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li>Sau khi th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i, h\u00e3y l\u01b0u v\u00e0 tho\u00e1t tr\u00ecnh ch\u1ec9nh s\u1eeda (CTRL+X, r\u1ed3i Y, r\u1ed3i Enter).<\/li>\n\n\n\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 SSH \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c thay \u0111\u1ed5i:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo systemctl restart ssh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">c. B\u01b0\u1edbc 3: K\u1ebft n\u1ed1i v\u1edbi M\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n th\u00f4ng qua SSH<\/h3>\n\n\n\n<ul>\n<li>T\u1eeb m\u1ed9t m\u00e1y kh\u00e1c, s\u1eed d\u1ee5ng: <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh username@your_server_ip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>V\u00ed d\u1ee5, t\u1eeb m\u00e1y macOS c\u1ee7a ch\u00fang t\u00f4i, ch\u00fang t\u00f4i s\u1ebd chuy\u1ec3n sang m\u00e1y Ubuntu Linux \u201cIPv6-SSH-LAB\u201d (th\u1ef1c ch\u1ea5t l\u00e0 AWS EC2 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1eeb xa \u1edf Hoa K\u1ef3)<\/li>\n\n\n\n<li>Ch\u00fang t\u00f4i s\u1ebd s\u1eed d\u1ee5ng t\u00ean ng\u01b0\u1eddi d\u00f9ng 'ubuntu' m\u1eb7c \u0111\u1ecbnh v\u00e0 t\u00ean mi\u1ec1n m\u00e1y ch\u1ee7. Ngo\u00e0i ra, v\u00ec l\u00fd do b\u1ea3o m\u1eadt (thay v\u00ec s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u), ch\u00fang t\u00f4i \u0111ang s\u1eed d\u1ee5ng t\u1ec7p kh\u00f3a ri\u00eang \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u00e1y t\u00ednh c\u1ee5c b\u1ed9 c\u1ee7a ch\u00fang t\u00f4i.&nbsp;<\/li>\n\n\n\n<li>\u0110\u1ea7u ti\u00ean, x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed tr\u00ean c\u00f9ng th\u01b0 m\u1ee5c ch\u1ee9a kh\u00f3a ri\u00eang, sau \u0111\u00f3 th\u1ef1c hi\u1ec7n l\u1ec7nh sau:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh -i &#8220;name_of_private_key.pem&#8221; username@domain_of_server<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-background\" style=\"background-color:#dff2ff\"><em><strong>L\u01b0u \u00fd:<\/strong> T\u00f9y ch\u1ecdn -i trong l\u1ec7nh SSH ch\u1ec9 \u0111\u1ecbnh t\u1ec7p nh\u1eadn d\u1ea1ng (kh\u00f3a ri\u00eang) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho k\u1ebft n\u1ed1i. V\u00ec v\u1eady, h\u00e3y s\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn n\u00e0y ch\u1ec9 khi b\u1ea1n \u0111ang s\u1eed d\u1ee5ng t\u1ec7p kh\u00f3a ri\u00eang \u0111\u1ec3 chuy\u1ec3n sang IPv6, IPv4 ho\u1eb7c mi\u1ec1n.&nbsp;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_12.png\"><img decoding=\"async\" loading=\"lazy\" width=\"927\" height=\"477\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_12.png\" alt=\"SSH into IPv6\" class=\"wp-image-18889\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_12.png 927w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_12-300x154.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_12-18x9.png 18w\" sizes=\"(max-width: 927px) 100vw, 927px\" \/><\/a><\/figure>\n\n\n\n<p><strong>Ta \u0111\u00e3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh giao th\u1ee9c trong m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh nh\u01b0ng IPv6 c\u00f3 th\u1ec3 ch\u01b0a \u0111\u01b0\u1ee3c b\u1eadt ho\u1eb7c th\u1eadm ch\u00ed ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh. Ch\u00fang ta s\u1ebd l\u00e0m \u0111i\u1ec1u n\u00e0y trong ph\u1ea7n ti\u1ebfp theo.&nbsp;<\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"02\">2. K\u00edch ho\u1ea1t v\u00e0 \u0110\u1ecbnh c\u1ea5u h\u00ecnh IPv6 tr\u00ean Ubuntu<\/h2>\n\n\n\n<p>Ph\u1ea7n n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch k\u00edch ho\u1ea1t v\u00e0 \u0111\u1ecbnh c\u1ea5u h\u00ecnh IPv6 tr\u00ean Ubuntu. Ch\u00fang t\u00f4i s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1ch ki\u1ec3m tra v\u00e0 k\u00edch ho\u1ea1t IPv6 trong kernel, thi\u1ebft l\u1eadp m\u1ea1ng IPv6 v\u00e0 tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ch\u00ednh cho c\u1ea5u h\u00ecnh m\u1ea1ng an to\u00e0n. <strong>C\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y s\u1ebd \u0111\u1ea3m b\u1ea3o m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n s\u1eb5n s\u00e0ng v\u00e0 an to\u00e0n cho IPv6.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a. B\u01b0\u1edbc 1: \u0110\u1ea3m b\u1ea3o IPv6 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t trong Kernel<\/h3>\n\n\n\n<p class=\"has-background\" style=\"background-color:#d8f1ff\"><strong><em>L\u01afU \u00dd:<\/em><\/strong><em> \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ngay c\u1ea3 khi IPv6 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t \u1edf c\u1ea5p h\u1ea1t nh\u00e2n (th\u01b0\u1eddng l\u00e0 m\u1eb7c \u0111\u1ecbnh trong c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i Linux hi\u1ec7n \u0111\u1ea1i), n\u00f3 v\u1eabn y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh m\u1ea1ng ph\u00f9 h\u1ee3p v\u00e0 \u0111\u1ecba ch\u1ec9 IPv6 t\u1eeb m\u1ea1ng ho\u1eb7c ISP c\u1ee7a b\u1ea1n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7y \u0111\u1ee7.<\/em><\/p>\n\n\n\n<ul>\n<li>Ki\u1ec3m tra xem IPv6 c\u00f3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t hay kh\u00f4ng b\u1eb1ng cat \/proc\/sys\/net\/ipv6\/conf\/all\/disable_ipv6.<\/li>\n\n\n\n<li>N\u1ebfu n\u00f3 tr\u1ea3 v\u1ec1 0, IPv6 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_2.png\"><img decoding=\"async\" loading=\"lazy\" width=\"833\" height=\"224\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_2.png\" alt=\"enabling ipv6\" class=\"wp-image-18879\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_2.png 833w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_2-300x81.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_2-18x5.png 18w\" sizes=\"(max-width: 833px) 100vw, 833px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li>N\u1ebfu n\u00f3 tr\u1ea3 v\u1ec1 1, IPv6 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a. <\/li>\n\n\n\n<li>K\u00edch ho\u1ea1t n\u00f3 b\u1eb1ng c\u00e1ch ch\u1ec9nh s\u1eeda \/etc\/sysctl.conf:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo nano \/etc\/sysctl.conf (or sudo vi \/etc\/sysctl.conf)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Th\u00eam c\u00e1c d\u00f2ng sau v\u00e0o cu\u1ed1i t\u1ec7p tin:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>net.ipv6.conf.all.disable_ipv6 = 0<br>net.ipv6.conf.default.disable_ipv6 = 0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"911\" height=\"745\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_1.png\" alt=\"ipv6 enabled\" class=\"wp-image-18878\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_1.png 911w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_1-300x245.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_1-15x12.png 15w\" sizes=\"(max-width: 911px) 100vw, 911px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li>L\u01b0u v\u00e0 tho\u00e1t tr\u00ecnh ch\u1ec9nh s\u1eeda.<\/li>\n\n\n\n<li>\u00c1p d\u1ee5ng c\u00e1c thay \u0111\u1ed5i v\u1edbi:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo sysctl -p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">b. B\u01b0\u1edbc 2: \u0110\u1ecbnh c\u1ea5u h\u00ecnh M\u1ea1ng IPv6<\/h3>\n\n\n\n<ul>\n<li>M\u1edf t\u1ec7p c\u1ea5u h\u00ecnh giao di\u1ec7n m\u1ea1ng: <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo nano \/etc\/network\/interfaces (or sudo vi \/etc\/network\/interfaces)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y c\u00e0i \u0111\u1eb7t IPv4 c\u1ee7a m\u00ecnh trong iface eth0 inet dhcp (ho\u1eb7c t\u01b0\u01a1ng t\u1ef1).<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi IPv6 t\u0129nh, h\u00e3y th\u00eam th\u00f4ng tin sau (thay th\u1ebf b\u1eb1ng th\u00f4ng tin chi ti\u1ebft c\u1ee7a b\u1ea1n):<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>iface eth0 inet6 static<br>address YOUR_IPV6_ADDRESS<br>netmask YOUR_IPV6_NETMASK<br>gateway YOUR_IPV6_GATEWAY<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>\u0110\u1ed1i v\u1edbi DHCPv6, ch\u1ec9 c\u1ea7n th\u00eam:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>iface eth0 inet6 dhcp<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_7.png\"><img decoding=\"async\" loading=\"lazy\" width=\"607\" height=\"358\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_7.png\" alt=\"configuration file IPv6 SSH\" class=\"wp-image-18884\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_7.png 607w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_7-300x177.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_7-18x12.png 18w\" sizes=\"(max-width: 607px) 100vw, 607px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li>L\u01b0u v\u00e0 tho\u00e1t tr\u00ecnh ch\u1ec9nh s\u1eeda.<\/li>\n\n\n\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 m\u1ea1ng: <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sudo systemctl restart networking<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>B\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 DHCPv6? H\u00e3y xem <\/strong><a href=\"https:\/\/www.rapidseedbox.com\/blog\/guide-to-dhcpv6\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>h\u01b0\u1edbng d\u1eabn chi ti\u1ebft  v\u1ec1 DHCPv6.<\/strong><\/a><strong>.&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#d5eeff\"><strong><em>L\u01b0u \u00fd:<\/em><\/strong><em> N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng Ubuntu hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng ch\u1ea1y Ubuntu 16.04 LTS tr\u1edf l\u00ean, c\u1ea5u h\u00ecnh m\u1ea1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi netplan, thay v\u00ec t\u1ec7p \/etc\/network\/interfaces truy\u1ec1n th\u1ed1ng. C\u00e1c t\u1ec7p c\u1ea5u h\u00ecnh netplan th\u01b0\u1eddng n\u1eb1m trong \/etc\/netplan\/. T\u00ean t\u1ec7p c\u00f3 th\u1ec3 kh\u00e1c nhau nh\u01b0ng th\u01b0\u1eddng k\u1ebft th\u00fac b\u1eb1ng .yaml. V\u00e0 c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda c\u1ea5u h\u00ecnh Netplan b\u1eb1ng b\u1ea5t k\u1ef3 tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n n\u00e0o.&nbsp;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_4.png\"><img decoding=\"async\" loading=\"lazy\" width=\"910\" height=\"339\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_4.png\" alt=\"configuring SSH IPv6\" class=\"wp-image-18881\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_4.png 910w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_4-300x112.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_4-18x7.png 18w\" sizes=\"(max-width: 910px) 100vw, 910px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">c. B\u01b0\u1edbc 3. Xem x\u00e9t c\u1ea5u h\u00ecnh m\u1ea1ng v\u00e0 b\u1ea3o m\u1eadt cho thi\u1ebft l\u1eadp SSH IPv6 c\u1ee7a b\u1ea1n.<\/h3>\n\n\n\n<p>Khi b\u1ea1n thi\u1ebft l\u1eadp SSH v\u00e0 IPv6 tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 s\u1eb5n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd v\u00e0 c\u1ea5u h\u00ecnh m\u1ea1ng hi\u1ec7u qu\u1ea3.&nbsp;<\/p>\n\n\n\n<p>B\u01b0\u1edbc n\u00e0y s\u1ebd t\u1eadp trung v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh b\u1ea3o m\u1eadt cho thi\u1ebft l\u1eadp c\u1ee7a b\u1ea1n c\u0169ng nh\u01b0 \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n ch\u1ea1y tr\u01a1n tru. <strong>H\u00e3y coi nh\u1eefng \u0111i\u1ec1u n\u00e0y l\u00e0 h\u01b0\u1edbng d\u1eabn ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t s\u1ebd gi\u00fap b\u1ea1n b\u1ea3o v\u1ec7 m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady.<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>C\u1eadp nh\u1eadt Ph\u1ea7n m\u1ec1m Th\u01b0\u1eddng xuy\u00ean:<\/strong> Lu\u00f4n c\u1eadp nh\u1eadt m\u00e1y ch\u1ee7 Ubuntu c\u1ee7a b\u1ea1n v\u1edbi 'sudo apt update &amp;&amp; sudo apt upgrade'.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng X\u00e1c th\u1ef1c D\u1ef1a tr\u00ean Kh\u00f3a:<\/strong> \u0110\u1ed1i v\u1edbi SSH, \u01b0u ti\u00ean x\u00e1c th\u1ef1c d\u1ef1a tr\u00ean kh\u00f3a h\u01a1n m\u1eadt kh\u1ea9u \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh T\u01b0\u1eddng l\u1eeda:<\/strong> Thi\u1ebft l\u1eadp t\u01b0\u1eddng l\u1eeda (nh\u01b0 UFW) \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng \u0111\u1ebfn v\u00e0 \u0111i.<\/li>\n\n\n\n<li><strong>Gi\u00e1m s\u00e1t Logs:<\/strong> Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra logs trong \/var\/log\/auth.log \u0111\u1ec3 bi\u1ebft SSH v\u00e0 \/var\/log\/syslog \u0111\u1ec3 bi\u1ebft c\u00e1c ho\u1ea1t \u0111\u1ed9ng chung c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n\n\n\n<li><strong>V\u00f4 hi\u1ec7u h\u00f3a C\u00e1c D\u1ecbch v\u1ee5 Kh\u00f4ng S\u1eed d\u1ee5ng:<\/strong> V\u00f4 hi\u1ec7u h\u00f3a m\u1ecdi d\u1ecbch v\u1ee5 ho\u1eb7c c\u1ed5ng kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n\n\n\n<li><strong>Sao l\u01b0u Th\u01b0\u1eddng xuy\u00ean: <\/strong>\u0110\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 h\u1ec7 th\u1ed1ng sao l\u01b0u cho c\u1ea5u h\u00ecnh v\u00e0 d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a m\u00ecnh.<\/li>\n<\/ul>\n\n\n\n<p>B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp SSH v\u00e0 IPv6 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 tr\u00ean m\u00e1y ch\u1ee7 Ubuntu c\u1ee7a m\u00ecnh, \u0111\u1ea3m b\u1ea3o c\u1ea5u h\u00ecnh m\u1ea1ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#b0f2b6\"><strong>L\u1eb7n v\u00e0o t\u01b0\u01a1ng lai c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i SSH v\u1edbi IPv6 t\u1ea1i RapidSeedbox. <\/strong><em>\ud83d\ude80<\/em><br><br>B\u1ea3o m\u1eadt SSH n\u00e2ng cao v\u1edbi IPv6.<br>K\u1ebft n\u1ed1i to\u00e0n c\u1ea7u kh\u00f4ng g\u1eb7p tr\u1edf ng\u1ea1i.<br>H\u1ed7 tr\u1ee3 chuy\u00ean gia 24\/7.<br>L\u01b0u tr\u1eef linh ho\u1ea1t v\u1edbi LOA.<br>Gi\u00e1 c\u1ea3 minh b\u1ea1ch &amp; ho\u00e0n ti\u1ec1n trong 48 gi\u1edd.<br><br><em>S\u1eb5n s\u00e0ng n\u00e2ng c\u1ea5p?<\/em><br>----<\/h4>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-2\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.rapidseedbox.com\/vi\/ipv4-rental\/?blog=ssh-ipv6&amp;promocode=IPV620OFF&amp;billingcycle=monthly#pricing\" style=\"background-color:#22c55e\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Truy c\u1eadp Rapidseedbox. Nh\u1eadn ngay \u01b0u \u0111\u00e3i \u0111\u1eb7c bi\u1ec7t gi\u1ea3m 20% cho th\u00e1ng \u0111\u1ea7u ti\u00ean!<\/strong><\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"03\">3. C\u00e1c l\u1ec7nh SSH Ph\u1ed5 bi\u1ebfn v\u00e0 Qu\u1ea3n l\u00fd M\u1ea1ng IPv6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">a. C\u00e1c l\u1ec7nh SSH c\u1ea7n thi\u1ebft \u0111\u1ec3 qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7 Linux.<\/h3>\n\n\n\n<p>L\u00e0m vi\u1ec7c v\u1edbi m\u00e1y ch\u1ee7 Linux th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng SSH \u0111\u1ec3 qu\u1ea3n l\u00fd t\u1eeb xa. <strong>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1ec7nh SSH ph\u1ed5 bi\u1ebfn c\u1ea7n thi\u1ebft cho vi\u1ec7c qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7:<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">a.1 C\u00e1c l\u1ec7nh SSH C\u01a1 b\u1ea3n<\/h4>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c l\u1ec7nh SSH 'h\u00e0ng ng\u00e0y' c\u01a1 b\u1ea3n s\u1ebd cho ph\u00e9p b\u1ea1n k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7, sao ch\u00e9p t\u1ec7p t\u1edbi v\u00e0 t\u1eeb m\u00e1y ch\u1ee7 \u0111\u00f3 (s\u1eed d\u1ee5ng giao th\u1ee9c SCP) v\u00e0 truy\u1ec1n t\u1ec7p ho\u1eb7c th\u01b0 m\u1ee5c m\u1ed9t c\u00e1ch an to\u00e0n (s\u1eed d\u1ee5ng giao th\u1ee9c SFTP).<\/p>\n\n\n\n<ul>\n<li>K\u1ebft n\u1ed1i v\u1edbi M\u00e1y ch\u1ee7.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh username@server_ip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Sao ch\u00e9p T\u1ec7p tin v\u00e0o M\u00e1y ch\u1ee7:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>scp \/path\/to\/local\/file username@server_ip:\/path\/to\/remote\/directory<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Sao ch\u00e9p T\u1ec7p tin t\u1eeb M\u00e1y ch\u1ee7:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>scp username@server_ip:\/path\/to\/remote\/file \/path\/to\/local\/directory<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Truy\u1ec1n T\u1ec7p\/Th\u01b0 m\u1ee5c An to\u00e0n: S\u1eed d\u1ee5ng l\u1ec7nh sau.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sftp username@server_ip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">a.2 C\u00e1c l\u1ec7nh SSH IPv6 C\u01a1 b\u1ea3n:<\/h4>\n\n\n\n<p>Khi l\u00e0m vi\u1ec7c v\u1edbi IPv6, c\u00e1c l\u1ec7nh v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 gi\u1ed1ng nhau, nh\u01b0ng b\u1ea1n c\u1ea7n \u0111\u1ecbnh d\u1ea1ng ch\u00ednh x\u00e1c c\u00e1c \u0111\u1ecba ch\u1ec9 IPv6. \u0110\u00e2y l\u00e0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c l\u1ec7nh SSH \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u01b0\u1edbc \u0111\u00f3:<\/p>\n\n\n\n<ul>\n<li>K\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 b\u1eb1ng IPv6 qua SSH:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sftp username@server_ip<br>Example: ssh username@[2001:0db8:85a3:0000:0000:8a2e:0370:7334]<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Sao ch\u00e9p T\u1ec7p t\u1edbi v\u00e0 t\u1eeb M\u00e1y ch\u1ee7 b\u1eb1ng IPv6:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>To Server: scp \/path\/to\/local\/file username@[ipv6_address]:\/path\/to\/remote\/directory<br>From Server: scp username@[ipv6_address]:\/path\/to\/remote\/file \/path\/to\/local\/directory<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Truy\u1ec1n T\u1ec7p\/Th\u01b0 m\u1ee5c An to\u00e0n b\u1eb1ng IPv6:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>sftp username@[ipv6_address]<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">a.3 C\u00e1c l\u1ec7nh SSH N\u00e2ng cao<\/h4>\n\n\n\n<p>SSH kh\u00f4ng ch\u1ec9 cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i c\u01a1 b\u1ea3n \u0111\u1ec3 qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7 ph\u1ee9c t\u1ea1p. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o kh\u00f3a SSH \u0111\u1ec3 truy c\u1eadp an to\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n m\u1eadt kh\u1ea9u, sao ch\u00e9p c\u00e1c kh\u00f3a \u0111\u00f3 v\u00e0o m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u0103ng nh\u1eadp d\u1ec5 d\u00e0ng, th\u1ef1c thi l\u1ec7nh t\u1eeb xa v\u00e0 thi\u1ebft l\u1eadp \u0111\u01b0\u1eddng h\u1ea7m ho\u1eb7c c\u1ed5ng chuy\u1ec3n ti\u1ebfp \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u an to\u00e0n.&nbsp;<\/p>\n\n\n\n<p><strong>C\u00e1c l\u1ec7nh n\u00e2ng cao n\u00e0y t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 cung c\u1ea5p cho b\u1ea1n nhi\u1ec1u c\u00e1ch h\u01a1n \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh.<\/strong><\/p>\n\n\n\n<ul>\n<li>T\u1ea1o Kh\u00f3a SSH:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh-keygen -t rsa<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Sao ch\u00e9p Kh\u00f3a SSH v\u00e0o M\u00e1y ch\u1ee7:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh-copy-id username@server_ip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>Th\u1ef1c hi\u1ec7n L\u1ec7nh T\u1eeb xa:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh username@server_ip &#8216;command&#8217;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>\u0110\u01b0\u1eddng h\u1ea7m SSH\/C\u1ed5ng Chuy\u1ec3n ti\u1ebfp:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Local: ssh -L local_port:destination_server_ip:remote_port username@ssh_server_ip<br>Remote: ssh -R remote_port:local_server_ip:local_port username@ssh_server_ip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">b. L\u1eddi khuy\u00ean B\u1ed5 sung v\u1ec1 SSH IPv6<\/h3>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 Giao th\u1ee9c Internet v6 trong t\u1ec7p c\u1ea5u h\u00ecnh SSH (~\/.ssh\/config) \u0111\u1ec3 qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i d\u1ec5 d\u00e0ng h\u01a1n. <strong>T\u1ec7p n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng t\u1ed3n t\u1ea1i theo m\u1eb7c \u0111\u1ecbnh nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ho\u1eb7c ch\u1ec9nh s\u1eeda n\u1ebfu n\u00f3 \u0111\u00e3 c\u00f3 \u1edf \u0111\u00f3.<\/strong><\/p>\n\n\n\n<ul>\n<li>In the editor, you can define an entry for your server using its <a href=\"https:\/\/www.rapidseedbox.com\/vi\/blog\/what-is-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6 address<\/a>. Here\u2019s an example:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Host myserver<br><br>HostName 2001:0db8:85a3:0000:0000:8a2e:0370:7334<br><br>User username<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul>\n<li>L\u01b0u v\u00e0 \u0110\u00f3ng T\u1ec7p tin.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-background\" style=\"background-color:#cceaf9\"><strong><em>L\u01b0u \u00fd:<\/em><\/strong><em> B\u1ea1n c\u00f3 th\u1ec3 th\u00eam m\u1ed9t s\u1ed1 l\u1ec7nh b\u1ed5 sung trong t\u1ec7p c\u1ea5u h\u00ecnh SSH (~\/.ssh\/config) \u0111\u1ec3 h\u1ee3p l\u00fd h\u00f3a c\u00e0i \u0111\u1eb7t k\u1ebft n\u1ed1i c\u1ee7a m\u00ecnh, bao g\u1ed3m ch\u1ec9 \u0111\u1ecbnh t\u1ec7p kh\u00f3a ri\u00eang (m\u00e0 tr\u01b0\u1edbc \u0111\u00e2y ch\u00fang t\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 SSH c\u1ee7a m\u00ecnh). Tuy nhi\u00ean, l\u01b0u \u00fd quan tr\u1ecdng l\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ec9 \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp m\u1eadt kh\u1ea9u trong t\u1ec7p c\u1ea5u h\u00ecnh SSH v\u00ec l\u00fd do b\u1ea3o m\u1eadt. SSH \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c m\u00e3 h\u00f3a m\u1eadt kh\u1ea9u c\u1ee9ng v\u00e0 khuy\u1ebfn kh\u00edch c\u00e1c ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n h\u01a1n nh\u01b0 x\u00e1c th\u1ef1c d\u1ef1a tr\u00ean kh\u00f3a.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_8.png\"><img decoding=\"async\" loading=\"lazy\" width=\"950\" height=\"445\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_8.png\" alt=\"enabling SSH IPv6\" class=\"wp-image-18885\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_8.png 950w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_8-300x141.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_8-18x8.png 18w\" sizes=\"(max-width: 950px) 100vw, 950px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li>Thay th\u1ebf \u2018myserver\u2019 b\u1eb1ng m\u1ed9t bi\u1ec7t hi\u1ec7u cho m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, 2001:0db8:85a3:0000:0000:8a2e:0370:7334 b\u1eb1ng \u0111\u1ecba ch\u1ec9 IPv6 th\u1ef1c c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 t\u00ean ng\u01b0\u1eddi d\u00f9ng b\u1eb1ng t\u00ean ng\u01b0\u1eddi d\u00f9ng SSH c\u1ee7a b\u1ea1n tr\u00ean m\u00e1y ch\u1ee7 \u0111\u00f3.<\/li>\n\n\n\n<li>H\u00e3y nh\u1edb r\u1eb1ng, b\u1ea1n c\u00f3 th\u1ec3 n\u00e9n IPv6 \u0111\u1ec3 d\u1ec5 ghi nh\u1edb v\u00e0 ghi l\u1ea1i ch\u00fang h\u01a1n (<a href=\"https:\/\/www.rapidseedbox.com\/blog\/ipv6-compression-rules\" target=\"_blank\" rel=\"noreferrer noopener\">Quy t\u1eafc N\u00e9n IPv6<\/a>)<\/li>\n\n\n\n<li><strong>K\u1ebft n\u1ed1i v\u1edbi M\u00e1y ch\u1ee7:<\/strong> B\u00e2y gi\u1edd, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh ch\u1ec9 b\u1eb1ng c\u00e1ch nh\u1eadp: ssh \u2018myserver\u2019 ho\u1eb7c trong tr\u01b0\u1eddng h\u1ee3p c\u1ee7a ch\u00fang t\u00f4i l\u00e0 ssh SSH-SERVER<\/li>\n<\/ul>\n\n\n\n<p class=\"has-background\" style=\"background-color:#c2e4f9\"><strong><em>L\u01b0u \u00fd 1:<\/em><\/strong><em> N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng t\u1eadp l\u1ec7nh \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 (ch\u1eb3ng h\u1ea1n nh\u01b0 SSH IPv6 t\u1ef1 \u0111\u1ed9ng), h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n x\u1eed l\u00fd v\u00e0 \u0111\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 IPv6 \u0111\u00fang c\u00e1ch.<\/em><\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#c8e9ff\"><strong><em>L\u01b0u \u00fd 2: <\/em><\/strong><em>\u0110\u1ea3m b\u1ea3o r\u1eb1ng t\u01b0\u1eddng l\u1eeda c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh \u0111\u1ec3 cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng SSH qua IPv6 n\u1ebfu b\u1ea1n \u0111ang ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng ch\u1ed3ng giao th\u1ee9c (dual-stack).<\/em><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"04\">4. C\u00e0i \u0111\u1eb7t SSH cho IPv6 tr\u00ean C\u00e1c H\u1ec7 th\u1ed1ng Kh\u00e1c.&nbsp;<\/h2>\n\n\n\n<p>Ph\u1ea7n n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft v\u1ec1 c\u00e1ch \u0111\u1ecbnh c\u1ea5u h\u00ecnh SSH qua IPv6 tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau, bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb Cisco, h\u1ec7 th\u1ed1ng Windows (v\u1edbi PowerShell) v\u00e0 MacOS.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a. C\u1ea5u h\u00ecnh SSH IPv6 trong Thi\u1ebft b\u1ecb Cisco<\/h3>\n\n\n\n<p>Cisco cung c\u1ea5p h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd cho IPv6 tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh. \u0110\u1ecbnh c\u1ea5u h\u00ecnh SSH cho IPv6 tr\u00ean b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 chuy\u1ec3n m\u1ea1ch Cisco l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u1ea3n l\u00fd t\u1eeb xa an to\u00e0n trong m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn nhanh v\u1ec1 c\u00e1ch \u0111\u1ecbnh c\u1ea5u h\u00ecnh SSH <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/ios-xml\/ios\/ipv6_basic\/configuration\/xe-3s\/ip6b-xe-3s-book\/ip6-add-basic-conn-xe.html\" target=\"_blank\" rel=\"noreferrer noopener\">Pv6 cho Cisco<\/a>.&nbsp;<\/p>\n\n\n\n<p><strong><em>L\u01b0u \u00fd: <\/em><\/strong><em>Tr\u01b0\u1edbc khi \u0111\u1ecbnh c\u1ea5u h\u00ecnh SSH, c\u1ea7n ph\u1ea3i k\u00edch ho\u1ea1t IPv6 tr\u00ean thi\u1ebft b\u1ecb Cisco c\u1ee7a b\u1ea1n. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u1ec7nh 'ipv6 unicast-routing' \u1edf ch\u1ebf \u0111\u1ed9 c\u1ea5u h\u00ecnh chung (global).<\/em><\/p>\n\n\n\n<ul>\n<li><strong>Thi\u1ebft l\u1eadp SSH cho IPv6:<\/strong>\n<ul>\n<li>\u0110\u1ec3 k\u00edch ho\u1ea1t SSH tr\u00ean thi\u1ebft b\u1ecb Cisco, tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u1ea7n \u0111\u1eb7t t\u00ean m\u00e1y ch\u1ee7 v\u00e0 t\u00ean mi\u1ec1n.<\/li>\n\n\n\n<li>T\u1ea1o kh\u00f3a RSA c\u1ea7n thi\u1ebft cho SSH b\u1eb1ng l\u1ec7nh 'crypto key generate rsa'.<\/li>\n\n\n\n<li>K\u00edch ho\u1ea1t SSH v\u00e0 ch\u1ec9 \u0111\u1ecbnh phi\u00ean b\u1ea3n n\u00e0o (t\u1ed1t nh\u1ea5t l\u00e0 phi\u00ean b\u1ea3n 2) b\u1eb1ng l\u1ec7nh 'ip ssh version 2'.<\/li>\n\n\n\n<li>\u0110\u1ecbnh c\u1ea5u h\u00ecnh c\u00e0i \u0111\u1eb7t 'line vty' \u0111\u1ec3 s\u1eed d\u1ee5ng SSH v\u00e0 ch\u1ec9 \u0111\u1ecbnh quy\u1ec1n truy c\u1eadp \u0111\u1ecba ch\u1ec9 IP.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Truy c\u1eadp SSH qua \u0110\u1ecba ch\u1ec9 IPv6:<\/strong>\n<ul>\n<li>Ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IPv6 cho giao di\u1ec7n thi\u1ebft b\u1ecb v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u1ecba ch\u1ec9 \u0111\u00f3 qua m\u1ea1ng.<\/li>\n\n\n\n<li>K\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb Cisco b\u1eb1ng \u1ee9ng d\u1ee5ng kh\u00e1ch SSH, ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IPv6.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">b. SSH IPv6 trong Windows v\u00e0 PowerShell.<\/h3>\n\n\n\n<p>SSH sang IPv6 kh\u00f4ng ch\u1ec9 d\u00e0nh cho c\u00e1c thi\u1ebft b\u1ecb Cisco hay Linux. Khi vi\u1ec7c \u00e1p d\u1ee5ng ng\u00e0y c\u00e0ng t\u0103ng, ng\u01b0\u1eddi d\u00f9ng Windows, t\u1eeb qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng \u0111\u1ebfn nh\u00e0 ph\u00e1t tri\u1ec3n, c\u0169ng s\u1ebd c\u1ea7n bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng SSH qua giao th\u1ee9c n\u00e0y. Ngo\u00e0i ra, v\u1edbi PowerShell, m\u1ed9t c\u00f4ng c\u1ee5 v\u00f4 gi\u00e1 \u0111\u1ec3 t\u1ea1o k\u1ecbch b\u1ea3n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 m\u1ea1ng, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 qu\u1ea3n l\u00fd c\u00e1c k\u1ebft n\u1ed1i SSH m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">b.1 Ch\u1ea1y SSH IPv6 trong Windows.<\/h4>\n\n\n\n<ul>\n<li><strong>M\u00e1y kh\u00e1ch Windows SSH:<\/strong>\n<ul>\n<li>Modern versions of Windows 10 and Windows Server come with a built-in SSH client, allowing users to establish SSH connections using IPv6 addresses easily.<\/li>\n\n\n\n<li>To use SSH, open PowerShell or the Command Prompt and use the standard SSH syntax, specifying the IPv6 address in brackets, like &#8220;ssh username@[IPv6_Address].<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u1ee8ng d\u1ee5ng Kh\u00e1ch SSH c\u1ee7a B\u00ean Th\u1ee9 ba: <\/strong>\u0110\u1ec3 c\u00f3 tr\u1ea3i nghi\u1ec7m gi\u00e0u t\u00ednh n\u0103ng h\u01a1n, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng kh\u00e1ch b\u00ean th\u1ee9 ba nh\u01b0 PuTTY. PuTTY h\u1ed7 tr\u1ee3 \u0111\u1ecba ch\u1ec9 IPv6, cho ph\u00e9p k\u1ebft n\u1ed1i t\u1edbi m\u00e1y ch\u1ee7 SSH \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh b\u1eb1ng IPv6.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh M\u1ea1ng cho SSH qua IPv6: <\/strong>\u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y Windows c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c cho IPv6. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c c\u00f3 m\u1ed9t \u0111\u1ecba ch\u1ec9 h\u1ee3p l\u1ec7 v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e0i \u0111\u1eb7t m\u1ea1ng v\u00e0 t\u01b0\u1eddng l\u1eeda c\u1ee7a b\u1ea1n cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng SSH qua IPv6.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">b.2 S\u1eed d\u1ee5ng PowerShell \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c k\u1ebft n\u1ed1i SSH IPv6.<\/h4>\n\n\n\n<ul>\n<li><strong>M\u00f4-\u0111un SSH PowerShell: <\/strong>Windows PowerShell 6.0 tr\u1edf l\u00ean c\u00f3 h\u1ed7 tr\u1ee3 ri\u00eang cho vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa d\u1ef1a tr\u00ean SSH. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng PowerShell \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i SSH, bao g\u1ed3m c\u1ea3 \u0111\u1ecba ch\u1ec9 Giao th\u1ee9c Internet v6.<\/li>\n\n\n\n<li><strong>T\u1ea1o t\u1eadp l\u1ec7nh k\u1ebft n\u1ed1i SSH: <\/strong>PowerShell c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o t\u1eadp l\u1ec7nh cho qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i SSH t\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ecba ch\u1ec9 IPv6. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c th\u1ee7 t\u1ee5c \u0111\u0103ng nh\u1eadp, th\u1ef1c thi c\u00e1c l\u1ec7nh t\u1eeb xa v\u00e0 x\u1eed l\u00fd vi\u1ec7c truy xu\u1ea5t d\u1eef li\u1ec7u ho\u1eb7c thay \u0111\u1ed5i c\u1ea5u h\u00ecnh qua SSH.<\/li>\n<\/ul>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 v\u1ec1 T\u1eadp l\u1ec7nh PowerShell cho m\u1ee5c \u0111\u00edch n\u00e0y. <strong>T\u1eadp l\u1ec7nh PowerShell n\u00e0y t\u1ef1 \u0111\u1ed9ng h\u00f3a k\u1ebft n\u1ed1i SSH \u0111\u1ebfn m\u00e1y ch\u1ee7 b\u1eb1ng \u0111\u1ecba ch\u1ec9 IPv6. <\/strong>N\u00f3 x\u00e2y d\u1ef1ng v\u00e0 th\u1ef1c thi l\u1ec7nh SSH, ch\u1ea1y m\u1ed9t l\u1ec7nh c\u1ee5 th\u1ec3 v\u00e0 ghi l\u1ea1i k\u1ebft qu\u1ea3 \u0111\u1ea7u ra. T\u1eadp l\u1ec7nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng c\u00f3 quy\u1ec1n truy c\u1eadp SSH m\u00e0 kh\u00f4ng c\u1ea7n m\u1eadt kh\u1ea9u.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_11.png\"><img decoding=\"async\" loading=\"lazy\" width=\"930\" height=\"437\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_11.png\" alt=\"SSH to IPv6 (Powershell Script)\" class=\"wp-image-18888\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_11.png 930w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_11-300x141.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/SSH_IPV6_11-18x8.png 18w\" sizes=\"(max-width: 930px) 100vw, 930px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">c. SSH IPv6 tr\u00ean Mac<\/h3>\n\n\n\n<p>MacOS, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng m\u1ea1nh m\u1ebd, c\u0169ng cung c\u1ea5p h\u1ed7 tr\u1ee3 to\u00e0n di\u1ec7n cho SSH v\u1edbi IPv6.<\/p>\n\n\n\n<ul>\n<li><strong>S\u1eed d\u1ee5ng Thi\u1ebft b\u1ecb \u0110\u1ea7u cu\u1ed1i cho C\u00e1c K\u1ebft n\u1ed1i SSH IPv6: <\/strong>MacOS&#8217;s terminal can handle such connections natively, allowing for seamless sessions. The syntax is similar to other Unix-like systems: \u201cssh username@[IPv6_Address]\u201d<\/li>\n\n\n\n<li><strong>\u0110\u1ecbnh c\u1ea5u h\u00ecnh SSH cho IPv6:<\/strong>:\n<ul>\n<li>MacOS cho ph\u00e9p c\u1ea5u h\u00ecnh SSH n\u00e2ng cao th\u00f4ng qua t\u1ec7p ~\/.ssh\/config. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IPv6 trong t\u1ec7p n\u00e0y \u0111\u1ec3 qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i d\u1ec5 d\u00e0ng.&nbsp;<\/li>\n\n\n\n<li>C\u00e0i \u0111\u1eb7t SSH n\u00e2ng cao, bao g\u1ed3m x\u00e1c th\u1ef1c kh\u00f3a v\u00e0 th\u00f4ng s\u1ed1 c\u1ed5ng, c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong t\u1ec7p c\u1ea5u h\u00ecnh n\u00e0y cho c\u00e1c k\u1ebft n\u1ed1i Giao th\u1ee9c Internet v6.<\/li>\n\n\n\n<li><strong>C\u00e0i \u0111\u1eb7t M\u1ea1ng v\u00e0 T\u01b0\u1eddng l\u1eeda: <\/strong>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i th\u00e0nh c\u00f4ng qua IPv6, h\u00e3y x\u00e1c minh r\u1eb1ng m\u1ea1ng m\u00e1y Mac c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c cho IPv6. Ngo\u00e0i ra, h\u00e3y ki\u1ec3m tra c\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u01b0u l\u01b0\u1ee3ng SSH qua IPv6 kh\u00f4ng b\u1ecb ch\u1eb7n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"05\">5. C\u00e2u h\u1ecfi Th\u01b0\u1eddng g\u1eb7p v\u1ec1 Kh\u1eafc ph\u1ee5c S\u1ef1 c\u1ed1.<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1735799905668\"><strong class=\"schema-faq-question\"><strong>Why can\u2019t I connect to my server via SSH using its IPv6 address?<\/strong><\/strong> <p class=\"schema-faq-answer\">N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i b\u1eb1ng \u0111\u1ecba ch\u1ec9 IPv6, h\u00e3y ki\u1ec3m tra xem \u0111\u1ecba ch\u1ec9 c\u1ee7a m\u00e1y ch\u1ee7 c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c hay kh\u00f4ng. Ngo\u00e0i ra, c\u1ea3 m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111\u1ec1u h\u1ed7 tr\u1ee3 IPv6. Th\u00eam v\u00e0o \u0111\u00f3, h\u00e3y \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 t\u01b0\u1eddng l\u1eeda n\u00e0o ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng SSH tr\u00ean IPv6. H\u01a1n n\u1eefa, h\u00e3y \u0111\u1ea3m b\u1ea3o m\u00e1y ch\u1ee7 \u0111ang ti\u1ebfp nh\u1eadn \u0111\u1ecba ch\u1ec9 IP (ki\u1ec3m tra b\u1eb1ng netstat -tuln | grep ssh).<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735799915187\"><strong class=\"schema-faq-question\"><strong>How do I resolve the \u201cNetwork is unreachable\u201d error when using SSH with IPv6?<\/strong><\/strong> <p class=\"schema-faq-answer\">L\u1ed7i n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 \u0111\u1ecbnh tuy\u1ebfn. \u0110\u1ea3m b\u1ea3o:<br\/>&#8211; Both client and server have valid IPv6 addresses.<br\/>&#8211; Your network is correctly configured for IPv6.<br\/>&#8211; There\u2019s no IPv6 connectivity issue between the client and the server.<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735799971596\"><strong class=\"schema-faq-question\"><strong>Why does my SSH session timeout when connecting over IPv6?<\/strong><\/strong> <p class=\"schema-faq-answer\">H\u1ebft th\u1eddi gian ch\u1edd SSH c\u00f3 th\u1ec3 x\u1ea3y ra do s\u1ef1 c\u1ed1 m\u1ea1ng ho\u1eb7c c\u1ea5u h\u00ecnh SSH kh\u00f4ng ch\u00ednh x\u00e1c. \u0110\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, h\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau tr\u00ean m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 SSH: <br\/>&#8211; Check your network\u2019s IPv6 connectivity.<br\/>&#8211; Adjust the ServerAliveInterval in your SSH client configuration.<br\/>&#8211; Ensure the server&#8217;s SSH config (\/etc\/ssh\/sshd_config) isn\u2019t set to disconnect idle sessions too quickly.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735800084086\"><strong class=\"schema-faq-question\"><strong>What advanced security protocols and encryption methods does SSH support?<\/strong><\/strong> <p class=\"schema-faq-answer\">SSH h\u1ed7 tr\u1ee3 m\u1ed9t s\u1ed1 thu\u1eadt to\u00e1n m\u00e3 h\u00f3a nh\u01b0 AES, Blowfish v\u00e0 3DES \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u an to\u00e0n. Ngo\u00e0i ra, n\u00f3 s\u1eed d\u1ee5ng RSA, DSA v\u00e0 ECDSA \u0111\u1ec3 trao \u0111\u1ed5i v\u00e0 x\u00e1c th\u1ef1c kh\u00f3a. \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n Ed25519 \u0111\u1ec3 t\u1ea1o kh\u00f3a SSH.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735800099875\"><strong class=\"schema-faq-question\"><strong>What is a safer and more convenient method than password authentication?<\/strong><\/strong> <p class=\"schema-faq-answer\">S\u1eed d\u1ee5ng kh\u00f3a SSH \u0111\u1ec3 x\u00e1c th\u1ef1c s\u1ebd an to\u00e0n v\u00e0 thu\u1eadn ti\u1ec7n h\u01a1n m\u1eadt kh\u1ea9u. Kh\u00f3a SSH cung c\u1ea5p c\u00e1ch \u0111\u0103ng nh\u1eadp v\u00e0o m\u00e1y ch\u1ee7 an to\u00e0n h\u01a1n v\u00e0 gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh \u0111\u0103ng nh\u1eadp m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh b\u1ea3o m\u1eadt.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735800114311\"><strong class=\"schema-faq-question\"><strong>How do I configure an IPv6 address on an Ubuntu server for SSH access?<\/strong><\/strong> <p class=\"schema-faq-answer\">Tr\u00ean Ubuntu, h\u00e3y ch\u1ec9nh s\u1eeda t\u1ec7p c\u1ea5u h\u00ecnh netplan (th\u01b0\u1eddng \u1edf \/etc\/netplan\/) \u0111\u1ec3 th\u00eam \u0111\u1ecba ch\u1ec9 IPv6, m\u1ea1ng con v\u00e0 c\u1ed5ng v\u00e0o c\u1ee7a b\u1ea1n. \u00c1p d\u1ee5ng c\u00e1c thay \u0111\u1ed5i v\u1edbi 'sudo netplan' v\u00e0 \u0111\u1ea3m b\u1ea3o m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n ti\u1ebfp nh\u1eadn \u0111\u1ecba ch\u1ec9 IPv6.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735800134567\"><strong class=\"schema-faq-question\"><strong>What should I do if I encounter an &#8220;invalid argument&#8221; error when using SSH with IPv6?<\/strong><\/strong> <p class=\"schema-faq-answer\">L\u1ed7i \u201ctham s\u1ed1 kh\u00f4ng h\u1ee3p l\u1ec7\u201d th\u01b0\u1eddng x\u1ea3y ra n\u1ebfu \u0111\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 IPv6 kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c \u0111\u01b0\u1ee3c nh\u1eadp kh\u00f4ng \u0111\u00fang. \u0110\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ecba ch\u1ec9 IPv6 \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng ch\u00ednh x\u00e1c. V\u00ed d\u1ee5: t\u00ean ng\u01b0\u1eddi d\u00f9ng ssh@[2001:db8::1234]. Ngo\u00e0i ra, h\u00e3y x\u00e1c minh r\u1eb1ng \u0111\u1ecba ch\u1ec9 \u0111\u00f3 h\u1ee3p l\u1ec7 v\u00e0 \u0111\u01b0\u1ee3c g\u00e1n cho m\u00e1y ch\u1ee7 m\u00e0 b\u1ea1n \u0111ang mu\u1ed1n k\u1ebft n\u1ed1i.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735800148505\"><strong class=\"schema-faq-question\"><strong>How can I resolve the &#8220;no route to host&#8221; error in SSH over IPv6?<\/strong><\/strong> <p class=\"schema-faq-answer\">L\u1ed7i \u201ckh\u00f4ng c\u00f3 tuy\u1ebfn \u0111\u1ebfn m\u00e1y ch\u1ee7\u201d cho bi\u1ebft c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ecbnh tuy\u1ebfn. Ki\u1ec3m tra c\u1ea5u h\u00ecnh m\u1ea1ng c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng tuy\u1ebfn \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IPv6 c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c. X\u00e1c nh\u1eadn r\u1eb1ng c\u1ea3 m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111\u1ec1u c\u00f3 \u0111\u1ecba ch\u1ec9 IPv6 h\u1ee3p l\u1ec7 v\u00e0 c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c. Ngo\u00e0i ra, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c t\u01b0\u1eddng l\u1eeda trung gian \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh \u0111\u1ec3 cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng IPv6 \u0111\u1ebfn \u0111\u00edch.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1735800167182\"><strong class=\"schema-faq-question\"><strong>What does the &#8220;port 22: invalid argument&#8221; error mean in SSH over IPv6?<\/strong><\/strong> <p class=\"schema-faq-answer\">L\u1ed7i \u201cc\u1ed5ng 22: tham s\u1ed1 kh\u00f4ng h\u1ee3p l\u1ec7\u201d th\u01b0\u1eddng cho th\u1ea5y s\u1ef1 c\u1ed1 v\u1edbi \u0111\u1ecbnh d\u1ea1ng l\u1ec7nh SSH. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t li\u00ean quan \u0111\u1ebfn c\u00e1ch ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IPv6. \u0110\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng c\u00f3 l\u1ed7i c\u00fa ph\u00e1p trong l\u1ec7nh SSH c\u1ee7a b\u1ea1n. V\u00ed d\u1ee5: \u0111\u1ecbnh d\u1ea1ng \u0111\u00fang l\u00e0 ssh username@[2001:db8::1234].<\/p> <\/div> <\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"06\">6. L\u1eddi K\u1ebft.<\/h2>\n\n\n\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u00e3 gi\u1edbi thi\u1ec7u \u0111\u1ea7y \u0111\u1ee7 c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u1ec1 c\u1ea5u h\u00ecnh SSH v\u00e0 IPv6, t\u1eeb c\u00e0i \u0111\u1eb7t c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c kh\u00eda c\u1ea1nh ph\u1ee9c t\u1ea1p c\u1ee7a thi\u1ebft l\u1eadp n\u00e2ng cao. B\u1eb1ng c\u00e1ch l\u00e0m theo nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i qua SSH v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh m\u00e0 c\u00f2n c\u00f3 th\u1ec3 t\u1ea1o ra c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u su\u1ea5t cao.&nbsp;<\/p>\n\n\n\n<p>Ch\u00fang t\u00f4i hy v\u1ecdng b\u1ea1n th\u1ea5y h\u01b0\u1edbng d\u1eabn n\u00e0y c\u00f3 nhi\u1ec1u th\u00f4ng tin v\u00e0 h\u1eefu \u00edch. V\u00e0 h\u00e3y nh\u1edb r\u1eb1ng kh\u1ea3 n\u0103ng l\u00e0 v\u00f4 h\u1ea1n. V\u00ec v\u1eady ch\u00fang ta c\u1ea7n ti\u1ebfp t\u1ee5c h\u1ecdc h\u1ecfi!<\/p>\n\n\n\n<p><strong>\u0110\u1ec3 m\u1edf r\u1ed9ng ki\u1ebfn th\u1ee9c c\u1ee7a b\u1ea1n v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6, h\u00e3y ki\u1ec3m tra c\u00e1c b\u00e0i blog sau \u0111\u00e2y \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u00e0 ph\u00f9 h\u1ee3p.&nbsp;<\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.rapidseedbox.com\/vi\/blog\/ipv6-vs-ipv4\" target=\"_blank\" rel=\"noreferrer noopener\">IPv4 vs IPv6<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.rapidseedbox.com\/vi\/blog\/ipv6-migration\" target=\"_blank\" rel=\"noreferrer noopener\">Chuy\u1ec3n \u0111\u1ed5i sang IPv6<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.rapidseedbox.com\/blog\/ipv6-compression-rules\" target=\"_blank\" rel=\"noreferrer noopener\">Quy t\u1eafc N\u00e9n IPv6<\/a>&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/www.rapidseedbox.com\/vi\/blog\/why-is-nat-not-needed-in-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">T\u1ea1i sao NAT Kh\u00f4ng C\u1ea7n thi\u1ebft trong IPv6?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.rapidseedbox.com\/blog\/guide-to-dhcpv6\" target=\"_blank\" rel=\"noreferrer noopener\">DHCPv6<\/a><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#b0f2b6\"><strong>L\u1eb7n v\u00e0o t\u01b0\u01a1ng lai c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i SSH v\u1edbi IPv6 t\u1ea1i RapidSeedbox. <\/strong><em>\ud83d\ude80<\/em><br><br>B\u1ea3o m\u1eadt SSH n\u00e2ng cao v\u1edbi IPv6.<br>K\u1ebft n\u1ed1i to\u00e0n c\u1ea7u kh\u00f4ng g\u1eb7p tr\u1edf ng\u1ea1i.<br>H\u1ed7 tr\u1ee3 chuy\u00ean gia 24\/7.<br>L\u01b0u tr\u1eef linh ho\u1ea1t v\u1edbi LOA.<br>Gi\u00e1 c\u1ea3 minh b\u1ea1ch &amp; ho\u00e0n ti\u1ec1n trong 48 gi\u1edd.<br><br><em>S\u1eb5n s\u00e0ng n\u00e2ng c\u1ea5p?<\/em><br>----<\/h4>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-4\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.rapidseedbox.com\/vi\/ipv4-rental\/?blog=ssh-ipv6&amp;promocode=IPV620OFF&amp;billingcycle=monthly#pricing\" style=\"background-color:#22c55e\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Truy c\u1eadp Rapidseedbox. Nh\u1eadn ngay \u01b0u \u0111\u00e3i \u0111\u1eb7c bi\u1ec7t gi\u1ea3m 20% cho th\u00e1ng \u0111\u1ea7u ti\u00ean!<\/strong><\/a><\/div>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 SSH sang m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 IPv6? L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh SSH (tr\u00ean m\u00e1y ch\u1ee7 ho\u1eb7c m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n) \u0111\u1ec3 ch\u1ea5p nh\u1eadn k\u1ebft n\u1ed1i IPv6? \u0110\u00e2y l\u00e0 nh\u1eefng c\u00e2u h\u1ecfi v\u1ec1 M\u00e1y kh\u00e1ch v\u00e0 M\u00e1y ch\u1ee7 SSH m\u00e0 ch\u00fang t\u00f4i s\u1ebd tr\u1ea3 l\u1eddi trong h\u01b0\u1edbng d\u1eabn n\u00e0y. T\u00f3m l\u1ea1i: \u0110\u1ec3 SSH sang IPv6, (tr\u00ean b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean UNIX n\u00e0o), h\u00e3y s\u1eed d\u1ee5ng l\u1ec7nh sau: ssh username@your_server_ipv6 Nh\u01b0ng kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i<\/p>","protected":false},"author":145,"featured_media":25732,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[310,736,319,121,454],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SSH to IPv6: Complete Setup and Connection Guide<\/title>\n<meta name=\"description\" content=\"Learn how to SSH to an IPv6 address, configure SSH over IPv6, and secure connections across Linux, Windows, and macOS with clear setup steps.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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He has a degree in Internetworking Tech from Washington DC, US, and tech certifications from Cisco, McAfee, and Wireshark. He has hands-on experience working in Latin America, South Korea, and West Africa. He has been featured in SiliconANGLE Media, Cloudbric, Pcwdld, Hackernoon, ITT Systems, SecurityGladiators, Rapidseedbox, and more.","sameAs":["https:\/\/www.linkedin.com\/in\/diego-asturias-035a539\/"],"url":"https:\/\/www.rapidseedbox.com\/author\/diego"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735799905668","position":1,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735799905668","name":"Why can\u2019t I connect to my server via SSH using its IPv6 address?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"If you're unable to connect using an IPv6 address, check that the server\u2019s address is correctly configured. Additionally, both your client and server both support IPv6. Plus, ensure no firewall is blocking SSH traffic on IPv6. Furthermore, ensure the server is listening on the IP address (check with netstat -tuln | grep ssh).","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735799915187","position":2,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735799915187","name":"How do I resolve the \u201cNetwork is unreachable\u201d error when using SSH with IPv6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"This error usually indicates a routing problem. Ensure:<br\/>- Both client and server have valid IPv6 addresses.<br\/>- Your network is correctly configured for IPv6.<br\/>- There\u2019s no IPv6 connectivity issue between the client and the server.<br\/>","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735799971596","position":3,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735799971596","name":"Why does my SSH session timeout when connecting over IPv6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"SSH timeouts can occur due to network issues or incorrect SSH configuration. To troubleshoot follow these steps on SSH client and server: <br\/>- Check your network\u2019s IPv6 connectivity.<br\/>- Adjust the ServerAliveInterval in your SSH client configuration.<br\/>- Ensure the server's SSH config (\/etc\/ssh\/sshd_config) isn\u2019t set to disconnect idle sessions too quickly.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800084086","position":4,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800084086","name":"What advanced security protocols and encryption methods does SSH support?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"SSH supports several encryption algorithms like AES, Blowfish, and 3DES for secure data transmission. Additionally, it uses RSA, DSA, and ECDSA for key exchange and authentication. For enhanced security, it's recommended to use the Ed25519 algorithm for generating SSH keys.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800099875","position":5,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800099875","name":"What is a safer and more convenient method than password authentication?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Using SSH keys for authentication is safer and more convenient than passwords. SSH keys provide a more secure way of logging into a server and help automate the login process without sacrificing security.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800114311","position":6,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800114311","name":"How do I configure an IPv6 address on an Ubuntu server for SSH access?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"On Ubuntu, edit the netplan configuration file (usually in \/etc\/netplan\/) to add your IPv6 address, subnet, and gateway. Apply the changes with \u2018sudo netplan\u2019 apply, and ensure your server listens on the IPv6 address.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800134567","position":7,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800134567","name":"What should I do if I encounter an \"invalid argument\" error when using SSH with IPv6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The \"invalid argument\" error typically occurs if the IPv6 address format is incorrect or improperly entered. Ensure that the IPv6 address is correctly formatted. For example: ssh username@[2001:db8::1234]. Also, verify that the address is valid and assigned to the host you are trying to connect to.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800148505","position":8,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800148505","name":"How can I resolve the \"no route to host\" error in SSH over IPv6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The \"no route to host\" error indicates a routing issue. Check your network configuration to ensure that the route to the IPv6 address of the server is correctly set up. Confirm that both your client and server have valid and reachable IPv6 addresses. Additionally, ensure that any intermediate routers or firewalls are configured to allow IPv6 traffic to the destination.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800167182","position":9,"url":"https:\/\/www.rapidseedbox.com\/blog\/ssh-ipv6#faq-question-1735800167182","name":"What does the \"port 22: invalid argument\" error mean in SSH over IPv6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The \"port 22: invalid argument\" error typically suggests a problem with the SSH command format. This is particularly regarding how the IPv6 address is specified. Ensure that the address is correctly formatted and that there are no syntax errors in your SSH command. For example, the correct format is ssh username@[2001:db8::1234].","inLanguage":"vi"},"inLanguage":"vi"}]}},"_links":{"self":[{"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/posts\/18877"}],"collection":[{"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/users\/145"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/comments?post=18877"}],"version-history":[{"count":10,"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/posts\/18877\/revisions"}],"predecessor-version":[{"id":30242,"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/posts\/18877\/revisions\/30242"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/media\/25732"}],"wp:attachment":[{"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/media?parent=18877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/categories?post=18877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/vi\/wp-json\/wp\/v2\/tags?post=18877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}