{"id":18674,"date":"2023-11-30T16:26:13","date_gmt":"2023-11-30T16:26:13","guid":{"rendered":"https:\/\/www.rapidseedbox.com\/?p=18674"},"modified":"2025-11-17T13:50:56","modified_gmt":"2025-11-17T13:50:56","slug":"why-is-nat-not-needed-in-ipv6","status":"publish","type":"post","link":"https:\/\/www.rapidseedbox.com\/tr\/blog\/why-is-nat-not-needed-in-ipv6","title":{"rendered":"IPv6'da NAT Neden Gerekli De\u011fil?"},"content":{"rendered":"<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Sally-Reads-Why-NAT-is-not-needed-in-IPv6-1.mp3\"><\/audio><figcaption class=\"wp-element-caption\"><strong><em>Sesli Versiyon (Oynat'a Bas\u0131n ve Makaleyi Kayd\u0131r\u0131n \u25b6\ufe0f\ud83c\udfb6)<\/em><\/strong><\/figcaption><\/figure>\n\n\n\n<p><strong>IPv6'da NAT neden gerekli de\u011fildir? <\/strong><em>IPv6 adreslerinde NAT'a ihtiya\u00e7 duyulmaz \u00e7\u00fcnk\u00fc IPv6 geni\u015f bir adres alan\u0131na sahiptir. Bu, cihazlar aras\u0131nda do\u011frudan ileti\u015fime izin vererek a\u011flar\u0131 basitle\u015ftirir ve g\u00fcvenli\u011fi art\u0131r\u0131r.<\/em><\/p>\n\n\n\n<p><strong>Daha fazla ayr\u0131nt\u0131 ister misiniz? <\/strong><\/p>\n\n\n\n<p>Okumaya devam edin.&nbsp;<\/p>\n\n\n\n<p><em>Bu makalede NAT'\u0131 IPv4 ba\u011flam\u0131nda, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve IPv6'n\u0131n NAT'a olan ihtiyac\u0131 ortadan kald\u0131rmak i\u00e7in neler yapt\u0131\u011f\u0131n\u0131 inceleyece\u011fiz. Ayr\u0131ca, IPv6'ya ihtiya\u00e7 duyan ancak yine de NAT'a g\u00fcvenenler i\u00e7in birka\u00e7 \u00e7\u00f6z\u00fcm\u00fc de inceleyece\u011fiz.&nbsp;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"531\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-1024x531.png\" alt=\"IPv6&#039;da NAT neden gerekli de\u011fildir?\" class=\"wp-image-25714\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-1024x531.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-300x155.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-1536x796.png 1536w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-18x9.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png 1748w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\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\">\u0130\u00e7indekiler<\/h2>\n\n\n\n<ol>\n<li><a href=\"#01\">IPv4 Ba\u011flam\u0131nda NAT'\u0131 Anlama<\/a><\/li>\n\n\n\n<li><a href=\"#02\">IPv6'da NAT neden gerekli de\u011fildir?<\/a>\n<ul>\n<li>Geni\u015f Adres Alan\u0131<\/li>\n\n\n\n<li>Geli\u015ftirilmi\u015f G\u00fcvenlik<\/li>\n\n\n\n<li>Basit Ba\u011flant\u0131 ve A\u011f Tasar\u0131m\u0131<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"#03\">IPv6'da NAT'a Alternatif \u00c7\u00f6z\u00fcmler<\/a><\/li>\n\n\n\n<li><a href=\"#04\">S\u0131k\u00e7a Sorulan Sorular (SSS)<\/a><\/li>\n\n\n\n<li><a href=\"#05\">Sonu\u00e7lar<\/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. IPv4 Ba\u011flam\u0131nda NAT Nedir?&nbsp;<\/h2>\n\n\n\n<p>IPv4, 4,3 milyar benzersiz adrese izin veren 32 bitlik bir adres yap\u0131s\u0131na sahiptir. D\u00fc\u015f\u00fcn\u00fcrseniz b\u00fcy\u00fck bir say\u0131. Ancak ne yaz\u0131k ki, bu tarihe kadar, bu say\u0131 (IPv4'\u00fcn sa\u011flad\u0131\u011f\u0131) b\u00fcy\u00fcyen internete hizmet etmek i\u00e7in yeterince b\u00fcy\u00fck de\u011fil. 80'li y\u0131llardaki IP bilim adamlar\u0131 bunu biliyorlard\u0131, bu y\u00fczden <a href=\"https:\/\/www.rapidseedbox.com\/tr\/ipv4-rental\/?blog=why-is-nat-not-needed-in-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6<\/a> \"bir g\u00fcn\" IPv4'\u00fcn yerini alacak.<\/p>\n\n\n\n<p>Yani, IPv6 128 bitlik bir adres sistemine sahiptir. Bu, IPv6'n\u0131n IPv4'ten \u00e7ok daha geni\u015f bir adres alan\u0131n\u0131 kapsad\u0131\u011f\u0131 anlam\u0131na gelir (<a href=\"https:\/\/www.rapidseedbox.com\/tr\/blog\/ipv6-vs-ipv4\">IPv6 vs IPv4<\/a>). \u015eimdilik (ve uzun bir s\u00fcre), IPv6 adres s\u0131k\u0131nt\u0131s\u0131 sorununu \u00e7\u00f6zecek ve a\u011flar\u0131 y\u00f6nlendirmeyi ve y\u00f6netmeyi kolayla\u015ft\u0131racakt\u0131r.<\/p>\n\n\n\n<p>Ancak IPv6'y\u0131 \u0130nternet'in tamam\u0131na yaymak, s\u00f6ylemekten daha kolay (<a href=\"https:\/\/www.rapidseedbox.com\/tr\/blog\/ipv6-migration\">IPv6 Ge\u00e7i\u015fi ve Faydalar\u0131<\/a>). Birbirleriyle hala IPv4 ile ileti\u015fim kuran kelimenin tam anlam\u0131yla milyarlarca hizmet, cihaz ve uygulama var. <strong>Yani, NAT (A\u011f Adresi \u00c7evirisi) <strong>veya NAT44 olarak da bilinir,<\/strong><\/strong> <strong>ve di\u011fer ge\u00e7ici \u00e7\u00f6z\u00fcmler ge\u00e7ici \u00e7\u00f6z\u00fcmler olarak olu\u015fturuldu.&nbsp;<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>a. NAT hangi sorunu \u00e7\u00f6z\u00fcyor?&nbsp;<\/strong><\/h4>\n\n\n\n<p>NAT (A\u011f Adresi \u00c7evirisi) IPv4 a\u011flar\u0131 i\u00e7in \u00f6nemli bir konudur. <strong>Y\u00f6nlendiriciler veya sunucular bunu \u00f6zel, yerel IP adreslerini genel IP adresine \u00e7evirmek veya tam tersini yapmak i\u00e7in kullan\u0131r. <\/strong>Ba\u015fka bir deyi\u015fle NAT, bir genel IP adresini yerel bir a\u011fdaki birden fazla cihazla payla\u015fman\u0131n bir yolunu sa\u011flar. Yani, bir ev (bir\u00e7ok cihaz, bir\u00e7ok \u00f6zel IP) = bir genel IP. Ayr\u0131ca \u015fu da vard\u0131r <a href=\"https:\/\/www.rapidseedbox.com\/tr\/blog\/cgnat\" target=\"_blank\" rel=\"noreferrer noopener\">Ta\u015f\u0131y\u0131c\u0131 S\u0131n\u0131f\u0131 NAT (CGNAT)<\/a> bunu \u00e7ok daha b\u00fcy\u00fck bir \u00f6l\u00e7ekte yapar. Topluluklar, mahalleler ve t\u00fcm b\u00f6lgeler bir CGNAT arac\u0131l\u0131\u011f\u0131yla tek bir genel IP'yi payla\u015f\u0131r.&nbsp;<\/p>\n\n\n\n<p>Daha \u00f6nce de belirtildi\u011fi gibi, NAT'\u0131n arkas\u0131ndaki mant\u0131k (bir t\u00fcr yara band\u0131 \u00e7\u00f6z\u00fcm\u00fc olarak) IPv4 adreslerinin eksikli\u011fini gidermeye yard\u0131mc\u0131 olmakt\u0131. <strong>Bu ak\u0131ll\u0131 tasar\u0131m, sadece IPv4 adreslerinden tasarruf etmekle kalmaz, ayn\u0131 zamanda yerel cihazlar\u0131n dahili IP adreslerini internetten gizleyerek bir g\u00fcvenlik katman\u0131 ekler.<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>b. NAT IPv4 i\u00e7in nas\u0131l \u00e7al\u0131\u015f\u0131r?&nbsp;<\/strong><\/h4>\n\n\n\n<p>A\u015fa\u011f\u0131daki resim IPv4'te NAT s\u00fcrecini g\u00f6stermektedir:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"982\" height=\"532\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03.png\" alt=\"IPv6&#039;da NAT neden gerekli de\u011fildir?\" class=\"wp-image-18677\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03.png 982w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03-300x163.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03-18x10.png 18w\" sizes=\"(max-width: 982px) 100vw, 982px\" \/><\/figure>\n\n\n\n<p><strong>Yerel \u0130leti\u015fim:<\/strong> \u00d6zel bir IPv4 adresine (10.0.0.1) sahip \u00f6zel bir a\u011fdaki bir ana bilgisayar, internetteki bir sunucuya veri g\u00f6ndermek istiyor. Y\u00f6nlendirici, \u00f6zel a\u011f ile internet aras\u0131ndaki trafi\u011fi y\u00f6netmek i\u00e7in NAT ile yap\u0131land\u0131r\u0131lm\u0131\u015ft\u0131r.<\/p>\n\n\n\n<ul>\n<li><strong>Giden Paket \u00c7evirisi: <\/strong>Ana bilgisayar sunucuya veri g\u00f6nderdi\u011finde, paket kaynak IP adresini (ana bilgisayar\u0131n \u00f6zel adresi olan 10.0.0.1) ve hedef IP adresini (sunucunun genel adresi olan 200.100.10.1) i\u00e7erir. Paket NAT ile y\u00f6nlendiriciye ula\u015ft\u0131\u011f\u0131nda, y\u00f6nlendirici kaynak IP adresini \u00f6zel adresten (10.0.0.1) y\u00f6nlendiricinin genel IP adresine (150.150.0.1) \u00e7evirir. Bu \u00e7eviri, paketin internet \u00fczerinden sunucuya y\u00f6nlendirilmesini sa\u011flar.<\/li>\n\n\n\n<li><strong>Gelen Paket \u00c7evirisi: <\/strong>Sunucu yan\u0131t verdi\u011finde, gelen pakette kaynak olarak sunucunun IP adresi (200.100.10.1) ve hedef olarak y\u00f6nlendiricinin genel IP adresi (150.150.0.1) bulunur. Bu paket NAT y\u00f6nlendiricisine ula\u015ft\u0131\u011f\u0131nda, NAT hedef IP'yi ana bilgisayar\u0131n \u00f6zel IP adresine (10.0.0.1) geri \u00e7evirir. B\u00f6ylece, \u00f6zel a\u011f i\u00e7indeki ana bilgisayar sunucunun yan\u0131t\u0131n\u0131 al\u0131r.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>c. IPv4'te NAT'\u0131n s\u0131n\u0131rlamalar\u0131 nelerdir?<\/strong><\/h4>\n\n\n\n<p>IPv4 a\u011flar\u0131nda NAT'\u0131n faydalar\u0131 olmas\u0131na ra\u011fmen, karma\u015f\u0131kl\u0131k, u\u00e7tan uca ileti\u015fimi engelleme ve uyumluluk sorunlar\u0131 gibi dezavantajlar\u0131 da vard\u0131r. Bu s\u0131n\u0131rlamalar, IPv6 gibi daha \u00f6l\u00e7eklenebilir \u00e7\u00f6z\u00fcmlere olan ihtiyac\u0131 vurgulamaktad\u0131r.<\/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. IPv6'da NAT Neden Gerekli De\u011fildir?<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>a. Geni\u015f Adres Alan\u0131.<\/strong><\/h4>\n\n\n\n<p>The main reason why NAT is not needed in IPv6 is because IPv6 has a huge address space (340 undecillion addresses, to be precise), which means we don&#8217;t need NAT anymore. NAT was explicitly designed for this, to conserve the limited pool of IPv4s. So, due to this huge number of available <a href=\"https:\/\/www.rapidseedbox.com\/tr\/blog\/what-is-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6 adresleri<\/a>, any host or user can obtain a public IPv6 network address.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>b. Geli\u015ftirilmi\u015f G\u00fcvenlik.<\/strong><\/h4>\n\n\n\n<p>IPv4'\u00fcn aksine, IPv6 g\u00fcvenli\u011fi sonradan d\u00fc\u015f\u00fcn\u00fclm\u00fc\u015f bir \u015fey olarak de\u011fil, temel bir bile\u015fen olarak sunar. IPv6 do\u011fal olarak g\u00fcvenlik i\u00e7erir (IPsec, u\u00e7tan uca \u015fifreleme ve g\u00fcvenli kom\u015fu bulma). <strong>Bu, genel a\u011f g\u00fcvenli\u011fini art\u0131r\u0131r ve NAT ihtiyac\u0131n\u0131 ortadan kald\u0131r\u0131r. <\/strong>NAT'\u0131n amac\u0131 IPv4'\u00fcn s\u0131n\u0131rlamalar\u0131n\u0131 ele almakt\u0131r ve sa\u011flad\u0131\u011f\u0131 g\u00fcvenlik tasar\u0131m\u0131n bir yan \u00fcr\u00fcn\u00fcd\u00fcr. \u0130nsanlar NAT'\u0131 basit\u00e7e defacto g\u00fcvenlik duvar\u0131 olarak kullan\u0131rlar, \u00e7\u00fcnk\u00fc dahili IP adreslerini harici tehditlerden gizler.<\/p>\n\n\n\n<p><strong><em>Not:<\/em><\/strong><em> IPv6'n\u0131n yerle\u015fik g\u00fcvenli\u011finin NAT'\u0131n yerine ge\u00e7medi\u011fini unutmay\u0131n \u00e7\u00fcnk\u00fc IPv4 NAT ger\u00e7ek IP adreslerini gizler ve IPSec (IPv4 i\u00e7in de mevcuttur) \u015fifreleme ve kimlik do\u011frulama sa\u011flar. Asl\u0131nda, a\u011f tasar\u0131m\u0131 a\u00e7\u0131s\u0131ndan bak\u0131ld\u0131\u011f\u0131nda, IPSec ve NAT birbirini tamamlayabilir.&nbsp;<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>c. Basit Ba\u011flant\u0131 ve A\u011f Tasar\u0131m\u0131&nbsp;<\/strong><\/h4>\n\n\n\n<p>IPv6'n\u0131n geli\u015fmi\u015f u\u00e7tan uca ba\u011flant\u0131ya ve basitle\u015ftirilmi\u015f a\u011f tasar\u0131m\u0131na verdi\u011fi \u00f6nem NAT ihtiyac\u0131n\u0131 ortadan kald\u0131rmaktad\u0131r. Bu yakla\u015f\u0131m ileti\u015fim yollar\u0131n\u0131 geli\u015ftirir, ger\u00e7ek zamanl\u0131 aktar\u0131mlar\u0131 kolayla\u015ft\u0131r\u0131r ve NAT cihazlar\u0131 (veya di\u011fer ge\u00e7ici \u00e7\u00f6z\u00fcmler) gibi arac\u0131lar\u0131 ortadan kald\u0131rarak internet \u00fczerinden cihazdan cihaza ba\u011flant\u0131lar\u0131 y\u00f6nlendirir. IPv6, cihazlar i\u00e7in benzersiz global adresler kullanarak a\u011f tasar\u0131m\u0131n\u0131 basitle\u015ftirir, IPv4'te mevcut olan ve \u00e7ift NAT ve artan sorun giderme zorluklar\u0131 gibi sorunlara yol a\u00e7abilen adres \u00e7evirisinin karma\u015f\u0131kl\u0131klar\u0131ndan ka\u00e7\u0131n\u0131r.<\/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=\"03\">3. IPv6'da NAT'a Alternatif \u00c7\u00f6z\u00fcmler?<\/h2>\n\n\n\n<p>\u00c7o\u011fu IPv6 da\u011f\u0131t\u0131m\u0131 i\u00e7in NAT gerekli olmasa da, NAT benzeri i\u015flevselli\u011fin hala yararl\u0131 oldu\u011fu belirli kullan\u0131m durumlar\u0131 veya a\u011f kurulumlar\u0131 vard\u0131r. Bu gibi durumlarda, IPv4'teki geleneksel NAT'\u0131n dezavantajlar\u0131 olmadan benzer hedeflere ula\u015fmak i\u00e7in A\u011f \u00d6nek \u00c7evirisi (NPTv6) veya Port Kontrol Protokol\u00fc (PCP) gibi \u00e7\u00f6z\u00fcmler kullan\u0131labilir. <\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#abc6df\"><em><strong>Not:<\/strong> Varsay\u0131lan yakla\u015f\u0131m protokol\u00fcn geni\u015f adres alan\u0131na ve u\u00e7tan uca ba\u011flanabilirli\u011fine g\u00fcvenmek oldu\u011fundan, bu \u00e7\u00f6z\u00fcmler IPv6 a\u011flar\u0131nda dikkatli ve idareli bir \u015fekilde kullan\u0131lmal\u0131d\u0131r. Bu \u00e7\u00f6z\u00fcmler NAT44'\u00fcn yerine ge\u00e7mez, sadece IPv6 ve IPv4'\u00fcn birlikte \u00e7al\u0131\u015fabilirli\u011fini kolayla\u015ft\u0131rmay\u0131 ama\u00e7lar. <\/em><\/p>\n\n\n\n<ul>\n<li><strong>NPTv6:<\/strong> A\u011flar\u0131n aray\u00fcz tan\u0131mlay\u0131c\u0131s\u0131n\u0131 de\u011fi\u015ftirmeden IPv6 adreslerinin \u00f6nekini de\u011fi\u015ftirmeleri gerekti\u011finde kullan\u0131l\u0131r. NPTv6, a\u011f yeniden numaraland\u0131rma, \u00e7oklu adresleme ve politika uygulama gibi durumlarda kullan\u0131labilir.<\/li>\n\n\n\n<li><strong>NAT64<\/strong>: IPv6 adreslerini IPv4 adreslerine \u00e7evirir. Bu, yaln\u0131zca IPv6 a\u011flar\u0131n\u0131n IPv4 a\u011flar\u0131ndaki kaynaklara eri\u015fmesine izin vermek i\u00e7in yararl\u0131d\u0131r.<\/li>\n\n\n\n<li><strong>PCP<\/strong>: Port Kontrol Protokol\u00fc, gelen paketlerin NAT64 gibi bir NAT cihaz\u0131 taraf\u0131ndan nas\u0131l iletilece\u011fini y\u00f6netmek i\u00e7in IPv6 a\u011flar\u0131nda kullan\u0131labilir.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">A\u015fa\u011f\u0131daki \u015femada IPv4'teki NAT ile iki IPv6 senaryosu aras\u0131ndaki farklar g\u00f6sterilmektedir.&nbsp;<\/h4>\n\n\n\n<ol>\n<li>IPv4'te NAT<\/li>\n\n\n\n<li>NAT's\u0131z IPv6&nbsp;<\/li>\n\n\n\n<li>A\u011f \u00d6nek \u00c7evirisi (NPTv6).<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"993\" height=\"537\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04.png\" alt=\"IPv6&#039;da NAT neden gerekli de\u011fildir?\" class=\"wp-image-18678\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04.png 993w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04-300x162.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04-18x10.png 18w\" sizes=\"(max-width: 993px) 100vw, 993px\" \/><figcaption class=\"wp-element-caption\"><em>Resim, IPv4'\u00fcn s\u0131n\u0131rl\u0131 adresler nedeniyle NAT'a olan ba\u011f\u0131ml\u0131l\u0131\u011f\u0131n\u0131, IPv6'n\u0131n tipik olarak NAT ihtiyac\u0131n\u0131 ortadan kald\u0131ran adres bollu\u011fuyla kar\u015f\u0131la\u015ft\u0131rarak a\u00e7\u0131klamaktad\u0131r. Buna ek olarak, NPTv6 belirli kullan\u0131m durumlar\u0131 i\u00e7in bir alternatif olarak g\u00f6sterilmektedir.<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>\u0130\u015fte diyagram\u0131n her bir par\u00e7as\u0131n\u0131n neyi temsil etti\u011fi:<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>IPv4'te NAT: <\/strong>\u0130lk a\u011f diyagram\u0131, NAT uygulayan bir y\u00f6nlendirici\/g\u00fcvenlik duvar\u0131 arac\u0131l\u0131\u011f\u0131yla genel bir IPv4 a\u011f\u0131na ba\u011flanan \u00f6zel bir a\u011f\u0131n arkas\u0131ndaki yerel bir ana bilgisayar\u0131 g\u00f6stermektedir. Kesikli k\u0131rm\u0131z\u0131 \u00e7izgi ile oklar \u00e7eviri i\u015flemini g\u00f6sterir ve genel a\u011fdaki uzak ana bilgisayar ileti\u015fim hedefi olarak g\u00f6sterilir.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>NAT's\u0131z IPv6: <\/strong>\u0130kinci k\u0131s\u0131m, IPv6 adresli yerel bir ana bilgisayar\u0131 herhangi bir NAT olmadan do\u011frudan IPv6 \u0130nternetine ba\u011fl\u0131 olarak g\u00f6stermektedir, \u00e7\u00fcnk\u00fc IPv6 \u00e7ok say\u0131da adrese izin vermekte ve adres korumas\u0131 i\u00e7in NAT'\u0131 gereksiz k\u0131lmaktad\u0131r. Oklu ye\u015fil \u00e7izgi, yerel ve uzak ana bilgisayarlar aras\u0131nda do\u011frudan, \u00e7evrilmemi\u015f bir yolu g\u00f6sterir. <strong>Bu senaryoda, her cihaz tipik olarak k\u00fcresel olarak benzersiz bir IPv6 adresine sahiptir ve adres \u00e7evirisine gerek kalmadan do\u011frudan u\u00e7tan uca ileti\u015fime izin verir.<\/strong><\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>NPTv6: <\/strong>\u00dc\u00e7\u00fcnc\u00fc b\u00f6l\u00fcmde, IPv6 \u0130nternet'e ba\u011fl\u0131 NPTv6 uygulayan bir y\u00f6nlendirici \/ g\u00fcvenlik duvar\u0131n\u0131n arkas\u0131ndaki IPv6 intranetindeki yerel bir ana bilgisayar g\u00f6sterilmektedir. NPTv6, NAT'\u0131n IPv4'te nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131na benzer \u015fekilde bir IPv6 adresinin \u00f6nekini \u00e7evirmek i\u00e7in bir mekanizmad\u0131r, ancak adresin ana bilgisayar b\u00f6l\u00fcm\u00fcn\u00fc de\u011fi\u015ftirmeden tutar. Kesikli mor \u00e7izgi \u00f6nek \u00e7evirme i\u015flemini g\u00f6sterir.<\/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=\"04\">4. S\u0131k\u00e7a Sorulan Sorular (SSS)<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>a. NAT olmadan elde edilen artan a\u011f verimlili\u011fini g\u00f6steren ger\u00e7ek d\u00fcnyadan bir \u00f6rnek verebilir misiniz?<\/strong><\/h4>\n\n\n\n<p>Harika bir \u00f6rnek <a href=\"https:\/\/corporate.comcast.com\/comcast-voices\/ipv6-deployment-technology\" target=\"_blank\" rel=\"noreferrer noopener\">Comcast (\u015fimdi Xfinity)<\/a>ABD'deki en b\u00fcy\u00fck internet servis sa\u011flay\u0131c\u0131lar\u0131ndan biri. IPv6'ya ge\u00e7tiler ve a\u011f performans\u0131 ve y\u00f6netiminde b\u00fcy\u00fck bir geli\u015fme g\u00f6rd\u00fcler. IPv6 mimarilerinde NAT olmadan, y\u00f6nlendirme daha basitti, gecikme azald\u0131 ve m\u00fc\u015fterileri i\u00e7in ba\u011flant\u0131 iyile\u015ftirildi. Bu, b\u00fcy\u00fck \u00f6l\u00e7ekli a\u011flarda IPv6'n\u0131n pratik avantajlar\u0131n\u0131 ve NAT44'a g\u00fcvenmemeyi g\u00f6stermektedir.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>b. NAT64 nedir?&nbsp;<\/strong><\/h4>\n\n\n\n<p>NAT64 translates IPv6 addresses to IPv4 addresses, enabling communication between IPv6 and IPv4 devices. This protocol allows IPv6-only devices to access IPv4 resources. NAT64 bridges the IPv4-<a href=\"https:\/\/www.rapidseedbox.com\/blog\/ipv6-transition-mechanisms\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6 transition<\/a>, allowing IPv6-only networks to access IPv4 resources. However, it can introduce complexities such as application compatibility and address exhaustion.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>c. IPv6 trafi\u011fi IPv4 a\u011flar\u0131na ba\u011flan\u0131rken NAT'\u0131 nas\u0131l atlayabilir ve u\u00e7tan uca ba\u011flant\u0131y\u0131 nas\u0131l koruyabilir?<\/strong><\/h4>\n\n\n\n<p>IPv6'da a\u015fa\u011f\u0131daki gibi mekanizmalar vard\u0131r <a href=\"https:\/\/www.rapidseedbox.com\/blog\/teredo\" target=\"_blank\" rel=\"noreferrer noopener\">Teredo<\/a> ve 6to4, IPv4 a\u011flar\u0131na ba\u011flan\u0131rken IPv6 trafi\u011finin NAT cihazlar\u0131ndan ge\u00e7mesine izin verir. Bu mekanizmalar, IPv6 a\u011flar\u0131nda NAT'a ba\u015fvurmadan u\u00e7tan uca ba\u011flant\u0131n\u0131n korunmas\u0131na yard\u0131mc\u0131 olur.<\/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=\"05\">5. Sonu\u00e7<\/h2>\n\n\n\n<p><strong>NAT, IPv4'\u00fcn hayatta kalmas\u0131nda hayati bir rol oynam\u0131\u015f olsa da, art\u0131k <a href=\"https:\/\/www.rapidseedbox.com\/tr\/ipv4-rental\/?blog=why-is-nat-not-needed-in-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6 ortam\u0131<\/a>Her cihaz\u0131n kendine \u00f6zg\u00fc bir global adresi olabilir.<\/strong> Bu de\u011fi\u015fim yaln\u0131zca ba\u011flant\u0131y\u0131 kolayla\u015ft\u0131rmakla kalm\u0131yor, ayn\u0131 zamanda daha verimli, g\u00fcvenli ve s\u00fcrekli artan say\u0131da ba\u011fl\u0131 cihaz\u0131 idare etmeye haz\u0131r yeni bir internet mimarisi \u00e7a\u011f\u0131na i\u015faret ediyor. <\/p>\n\n\n\n<p>B\u00fcy\u00fck \u00f6l\u00e7ekli a\u011f \u00f6rnekleri ve ge\u00e7i\u015f senaryolar\u0131 i\u00e7in alternatif \u00e7\u00f6z\u00fcmler ile IPv6'ya ge\u00e7i\u015f sadece teknik bir y\u00fckseltme de\u011fil, k\u00fcresel ba\u011flant\u0131n\u0131n gelece\u011fi i\u00e7in gerekli bir evrimdir.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#b0f2b6\"><strong>NAT'\u0131n komplikasyonlar\u0131na elveda deyin<\/strong>! <em><strong>\ud83c\udf10<\/strong><\/em><br><br><em>RapidSeedbox ile IPv6'n\u0131n s\u0131n\u0131rs\u0131z d\u00fcnyas\u0131na dal\u0131n! <br><\/em><br>Arac\u0131 yok, sadece do\u011frudan IP sahipli\u011fi.<br>7\/24 Destek ile her zaman arkan\u0131zday\u0131z.<br>Tam olarak uyan \u00f6zel hosting.<br>Net maliyetler, s\u00fcrpriz yok.<br><br><em>NAT's\u0131z yolculu\u011funuza bug\u00fcn ba\u015flay\u0131n<\/em><\/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\/tr\/ipv4-rental\/?promocode=IPV620OFF&amp;billingcycle=monthly#pricing\" style=\"background-color:#22c55e\"><strong>Bug\u00fcn Rapidseedbox'\u0131 ziyaret edin ve ilk ay i\u00e7in \u00f6zel 20% indirim kazan\u0131n!<\/strong><\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>IPv6 adreslerinde NAT'a ihtiya\u00e7 duyulmaz \u00e7\u00fcnk\u00fc IPv6 geni\u015f bir adres alan\u0131na sahiptir. Bu, cihazlar aras\u0131nda do\u011frudan ileti\u015fime izin vererek a\u011flar\u0131 basitle\u015ftirir ve g\u00fcvenli\u011fi art\u0131r\u0131r.<\/p>","protected":false},"author":145,"featured_media":25714,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[455,410,735,310,736,688,737,319,453,440,734,454],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 &amp; NPTv6<\/title>\n<meta name=\"description\" content=\"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rapidseedbox.com\/tr\/blog\/why-is-nat-not-needed-in-ipv6\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 &amp; NPTv6\" \/>\n<meta property=\"og:description\" content=\"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rapidseedbox.com\/tr\/blog\/why-is-nat-not-needed-in-ipv6\" \/>\n<meta property=\"og:site_name\" content=\"RapidSeedbox\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/RapidSeedbox\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-30T16:26:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-17T13:50:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1748\" \/>\n\t<meta property=\"og:image:height\" content=\"906\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Diego Asturias\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@rapidseedbox\" \/>\n<meta name=\"twitter:site\" content=\"@rapidseedbox\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Diego Asturias\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 dakika\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 & NPTv6","description":"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.rapidseedbox.com\/tr\/blog\/why-is-nat-not-needed-in-ipv6","og_locale":"tr_TR","og_type":"article","og_title":"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 & NPTv6","og_description":"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.","og_url":"https:\/\/www.rapidseedbox.com\/tr\/blog\/why-is-nat-not-needed-in-ipv6","og_site_name":"RapidSeedbox","article_publisher":"https:\/\/www.facebook.com\/RapidSeedbox\/","article_published_time":"2023-11-30T16:26:13+00:00","article_modified_time":"2025-11-17T13:50:56+00:00","og_image":[{"width":1748,"height":906,"url":"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png","type":"image\/png"}],"author":"Diego Asturias","twitter_card":"summary_large_image","twitter_creator":"@rapidseedbox","twitter_site":"@rapidseedbox","twitter_misc":{"Yazan:":"Diego Asturias","Tahmini okuma s\u00fcresi":"9 dakika"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#article","isPartOf":{"@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6"},"author":{"name":"Diego Asturias","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/person\/35fc664d84d157cf924e8a792996adfe"},"headline":"Why is NAT not Needed in IPv6?","datePublished":"2023-11-30T16:26:13+00:00","dateModified":"2025-11-17T13:50:56+00:00","mainEntityOfPage":{"@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6"},"wordCount":1747,"commentCount":2,"publisher":{"@id":"https:\/\/www.rapidseedbox.com\/#organization"},"keywords":["chinese","francais","indonesian","IPv6","japanese","NAT in IPV6","portuguese","proxy","russian","spanish","turkish","vietnamese"],"articleSection":["blog"],"inLanguage":"tr","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6","url":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6","name":"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 & NPTv6","isPartOf":{"@id":"https:\/\/www.rapidseedbox.com\/#website"},"datePublished":"2023-11-30T16:26:13+00:00","dateModified":"2025-11-17T13:50:56+00:00","description":"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.","breadcrumb":{"@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#breadcrumb"},"inLanguage":"tr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.rapidseedbox.com\/"},{"@type":"ListItem","position":2,"name":"blog","item":"https:\/\/www.rapidseedbox.com\/category\/blog"},{"@type":"ListItem","position":3,"name":"Why is NAT not Needed in IPv6?"}]},{"@type":"WebSite","@id":"https:\/\/www.rapidseedbox.com\/#website","url":"https:\/\/www.rapidseedbox.com\/","name":"RapidSeedbox","description":"Seedbox &amp; Dedicated Server provider focused on delivering fast peer-to-peer BitTorrent protocol-based file transfer on remote high-end servers.","publisher":{"@id":"https:\/\/www.rapidseedbox.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.rapidseedbox.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"tr"},{"@type":"Organization","@id":"https:\/\/www.rapidseedbox.com\/#organization","name":"RapidSeedbox","alternateName":"RapidSeedbox.com","url":"https:\/\/www.rapidseedbox.com\/","logo":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/logoonly.png","contentUrl":"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/logoonly.png","width":259,"height":261,"caption":"RapidSeedbox"},"image":{"@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/RapidSeedbox\/","https:\/\/twitter.com\/rapidseedbox","https:\/\/www.linkedin.com\/company\/rapidseedbox","https:\/\/www.youtube.com\/@rapidseedbox"]},{"@type":"Person","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/person\/35fc664d84d157cf924e8a792996adfe","name":"Diego Asturias","image":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5473e3ab660a5d167e3a25350e963690?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5473e3ab660a5d167e3a25350e963690?s=96&d=mm&r=g","caption":"Diego Asturias"},"description":"Diego Asturias is a tech journalist who translates complex tech jargon into engaging content. 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"}]}},"_links":{"self":[{"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/posts\/18674"}],"collection":[{"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/users\/145"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/comments?post=18674"}],"version-history":[{"count":10,"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/posts\/18674\/revisions"}],"predecessor-version":[{"id":42435,"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/posts\/18674\/revisions\/42435"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/media\/25714"}],"wp:attachment":[{"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/media?parent=18674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/categories?post=18674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/tr\/wp-json\/wp\/v2\/tags?post=18674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}