{"id":476204,"date":"2023-08-09T07:26:52","date_gmt":"2023-08-09T07:26:52","guid":{"rendered":""},"modified":"2023-09-05T11:12:15","modified_gmt":"2023-09-05T11:12:15","slug":"cgnat","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/cgnat\/","title":{"rendered":"CGNAT"},"content":{"rendered":"<p>Genellikle CGNAT olarak k\u0131salt\u0131lan Ta\u015f\u0131y\u0131c\u0131 S\u0131n\u0131f\u0131nda A\u011f Adresi \u00c7evirisi, IP adresi y\u00f6netimi alan\u0131nda \u00e7ok \u00f6nemli bir yeniliktir. IPv4 adresi t\u00fckenmesi sorununu kolayla\u015ft\u0131rmak i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015f bir \u0130nternet M\u00fchendisli\u011fi G\u00f6rev G\u00fcc\u00fc (IETF) standard\u0131d\u0131r.<\/p>\n<h2>CGNAT&#039;\u0131n K\u00f6keni ve Evriminin \u0130zini S\u00fcrmek<\/h2>\n<p>CGNAT&#039;\u0131n ba\u015flang\u0131c\u0131 21. y\u00fczy\u0131l\u0131n ba\u015flar\u0131na ba\u011flanabilir. \u0130lk olarak 2011 y\u0131l\u0131nda IETF taraf\u0131ndan RFC 6264 kapsam\u0131nda \u00f6nerildi ve daha sonra 2012 y\u0131l\u0131nda RFC 6888 arac\u0131l\u0131\u011f\u0131yla standartla\u015ft\u0131r\u0131ld\u0131. Olu\u015fturulmas\u0131n\u0131n ard\u0131ndaki temel etken, IPv4 adreslerinin t\u00fckenmesi ve IPv6&#039;n\u0131n yava\u015f yava\u015f benimsenmesiydi.<\/p>\n<p>32 bitlik adresler kullanan IPv4&#039;\u00fcn maksimum s\u0131n\u0131r\u0131 yakla\u015f\u0131k 4,3 milyar benzersiz adrestir. \u0130nternete ba\u011fl\u0131 cihaz say\u0131s\u0131 bu s\u0131n\u0131r\u0131 a\u015fmaya ba\u015flad\u0131k\u00e7a, CGNAT birden fazla cihaz\u0131n tek bir genel IPv4 adresini payla\u015fmas\u0131na olanak tan\u0131yan uygulanabilir bir \u00e7\u00f6z\u00fcm olarak ortaya \u00e7\u0131kt\u0131.<\/p>\n<h2>CGNAT Kavram\u0131n\u0131 A\u00e7\u0131\u011fa \u00c7\u0131karmak<\/h2>\n<p>CGNAT, birden fazla cihaz\u0131n tek bir genel IPv4 adresini payla\u015fmas\u0131na izin vererek IPv4 adres alan\u0131n\u0131n \u00f6mr\u00fcn\u00fc uzatmak i\u00e7in kullan\u0131lan bir tekniktir. Bu, bir IP adresi alan\u0131n\u0131 di\u011ferine yeniden e\u015fleme y\u00f6ntemi olan bir A\u011f Adresi \u00c7evirisi (NAT) t\u00fcr\u00fcd\u00fcr.<\/p>\n<p>Geleneksel bir NAT ortam\u0131nda, yerel a\u011fdaki cihazlar \u0130nternet ile ileti\u015fim i\u00e7in genel bir IP adresini payla\u015f\u0131r. CGNAT, \u0130nternet Servis Sa\u011flay\u0131c\u0131 (ISP) d\u00fczeyinde ikinci bir NAT katman\u0131 kullanarak bunu bir ad\u0131m daha ileri g\u00f6t\u00fcr\u00fcyor. Bu, her biri kendi yerel NAT&#039;\u0131na sahip birden fazla m\u00fc\u015fterinin tek bir genel IP adresini payla\u015fabilece\u011fi anlam\u0131na gelir.<\/p>\n<h2>CGNAT&#039;\u0131n \u0130\u015flevselli\u011fini Ke\u015ffetmek<\/h2>\n<p>CGNAT \u00f6z\u00fcnde geleneksel NAT ile ayn\u0131 prensiplerle \u00e7al\u0131\u015f\u0131r ancak ek bir \u00e7eviri d\u00fczeyine sahiptir. Veri paketleri yerel a\u011fdan \u0130nternet&#039;e ta\u015f\u0131nd\u0131\u011f\u0131nda, \u00f6zel IP adresini genel IP adresine d\u00f6n\u00fc\u015ft\u00fcren yerel NAT&#039;tan ge\u00e7erler. Bu paketler daha sonra \u0130SS&#039;deki CGNAT&#039;a ula\u015f\u0131r ve bu da bir kez daha genel IP adresini de\u011fi\u015ftirir. Gelen veri paketleri i\u00e7in s\u00fcre\u00e7 tersine \u00e7evrilir.<\/p>\n<p>CGNAT sisteminin temel bile\u015fenleri \u015funlar\u0131 i\u00e7erir:<\/p>\n<ol>\n<li>\u00c7evirileri ger\u00e7ekle\u015ftiren CGNAT cihaz\u0131n\u0131n kendisi.<\/li>\n<li>CGNAT&#039;a tahsis edilen genel IP adresleri havuzu.<\/li>\n<li>Dahili \u00f6zel IP adreslerinin harici genel IP adresleriyle e\u015fle\u015ftirilmesi.<\/li>\n<\/ol>\n<h2>CGNAT&#039;\u0131n Temel \u00d6zellikleri<\/h2>\n<p>CGNAT tabloya birka\u00e7 dikkate de\u011fer \u00f6zellik getiriyor:<\/p>\n<ol>\n<li><strong>Adres Koruma<\/strong>: CGNAT, birden fazla cihaz\u0131n tek bir genel IP adresini payla\u015fmas\u0131na izin vererek IPv4 adres alan\u0131n\u0131n \u00f6mr\u00fcn\u00fc uzat\u0131r.<\/li>\n<li><strong>\u015eeffafl\u0131k<\/strong>: Kullan\u0131c\u0131lar\u0131n ve uygulamalar\u0131n \u00e7o\u011funlu\u011fu i\u00e7in CGNAT&#039;\u0131n varl\u0131\u011f\u0131 tamamen \u015feffaft\u0131r.<\/li>\n<li><strong>Uyumluluk<\/strong>: CGNAT hem IPv4 hem de IPv6 adresleriyle \u00e7al\u0131\u015fabilir, bu da onu her t\u00fcrl\u00fc a\u011fla uyumlu hale getirir.<\/li>\n<li><strong>\u00d6l\u00e7eklenebilirlik<\/strong>: CGNAT \u00e7ok say\u0131da IP adresi \u00e7evirisini i\u015fleyebilir, bu da onu b\u00fcy\u00fck \u0130SS&#039;ler i\u00e7in uygun k\u0131lar.<\/li>\n<\/ol>\n<h2>CGNAT kategorileri<\/h2>\n<p>\u0130\u015flev ve uygulama yelpazesine ba\u011fl\u0131 olarak CGNAT genel olarak iki kategoriye ayr\u0131labilir:<\/p>\n<ol>\n<li><strong>Temel TBMM<\/strong>: Genel IP adreslerinin \u00f6zel IP adreslerine basit bire bir \u00e7evirisini ger\u00e7ekle\u015ftirir.<\/li>\n<li><strong>Geli\u015fmi\u015f CGNAT<\/strong>: Birebir \u00e7evirinin yan\u0131 s\u0131ra port engelleme, oturum s\u0131n\u0131rlama, loglama gibi geli\u015fmi\u015f \u00f6zellikleri de destekler.<\/li>\n<\/ol>\n<h2>CGNAT ile Kullan\u0131m, Sorunlar ve \u00c7\u00f6z\u00fcmler<\/h2>\n<p>CGNAT, a\u011f\u0131rl\u0131kl\u0131 olarak ISP&#039;ler taraf\u0131ndan IPv4 adreslerinin k\u0131tl\u0131\u011f\u0131n\u0131 y\u00f6netmek i\u00e7in kullan\u0131l\u0131r. Ancak b\u00fcy\u00fck kurulu\u015flarda genel IP adresi kullan\u0131mlar\u0131n\u0131 birle\u015ftirmek i\u00e7in de kullan\u0131labilir.<\/p>\n<p>Faydalar\u0131na ra\u011fmen CGNAT baz\u0131 zorluklara da yol a\u00e7abilir:<\/p>\n<ul>\n<li>Belirli e\u015fler aras\u0131 (P2P) hizmetleri ve \u00e7evrimi\u00e7i oyun uygulamalar\u0131n\u0131 engelleyebilir.<\/li>\n<li>Co\u011frafi konumu ve IP tabanl\u0131 tan\u0131mlamay\u0131 karma\u015f\u0131k hale getirebilir.<\/li>\n<li>Ba\u011flant\u0131 noktas\u0131 y\u00f6nlendirmeyi gerektiren hizmetleri etkileyebilir.<\/li>\n<\/ul>\n<p>Bu sorunlar\u0131n \u00e7\u00f6z\u00fcmleri genellikle geli\u015fmi\u015f CGNAT \u00f6zelliklerinin kullan\u0131lmas\u0131n\u0131 veya IPv6 veya Uygulama Katman\u0131 A\u011f Ge\u00e7itleri (ALG&#039;ler) gibi alternatif teknolojilerin kullan\u0131lmas\u0131n\u0131 i\u00e7erir.<\/p>\n<h2>CGNAT ve Benzeri Kavramlara Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Bak\u0131\u015f<\/h2>\n<table>\n<thead>\n<tr>\n<th>Konsept<\/th>\n<th>K\u0131sa a\u00e7\u0131klama<\/th>\n<th>Temel Avantaj<\/th>\n<th>Ana S\u0131n\u0131rlama<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CGNAT<\/td>\n<td>\u00d6ncelikle IPv4 adresinin korunmas\u0131 i\u00e7in birden fazla NAT katman\u0131<\/td>\n<td>IPv4 adreslerinin kullan\u0131m\u0131n\u0131 en \u00fcst d\u00fczeye \u00e7\u0131kar\u0131r<\/td>\n<td>Belirli uygulamalarda sorunlara neden olabilir<\/td>\n<\/tr>\n<tr>\n<td>Standart NAT<\/td>\n<td>Yerel a\u011flarda kullan\u0131lan bir NAT katman\u0131<\/td>\n<td>Dahili a\u011f y\u00f6netimini basitle\u015ftirir<\/td>\n<td>IPv4 adresi t\u00fckenmesini \u00e7\u00f6zmez<\/td>\n<\/tr>\n<tr>\n<td>IPv6<\/td>\n<td>\u00c7ok daha geni\u015f adres alan\u0131na sahip daha yeni bir IP adresi standard\u0131<\/td>\n<td>IPv4 adres t\u00fckenmesini \u00e7\u00f6zer<\/td>\n<td>Yava\u015f ve karma\u015f\u0131k benimseme s\u00fcreci<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>CGNAT ile \u0130lgili Gelecek Perspektifleri ve Teknolojiler<\/h2>\n<p>\u0130nternet geli\u015ftik\u00e7e CGNAT da geli\u015fiyor. Gelece\u011fi, IPv6&#039;ya nihai ge\u00e7i\u015fle i\u00e7 i\u00e7e ge\u00e7mi\u015f gibi g\u00f6r\u00fcn\u00fcyor. CGNAT, IPv4 t\u00fckenmesine bir \u00e7\u00f6z\u00fcm sunarken, bu yaln\u0131zca ge\u00e7ici bir \u00e7\u00f6z\u00fcmd\u00fcr. IPv6 evrensel olarak benimsendik\u00e7e CGNAT&#039;a olan ba\u011f\u0131ml\u0131l\u0131k azalabilir.<\/p>\n<p>\u00d6te yandan, CGNAT&#039;\u0131n geli\u015fmi\u015f bi\u00e7imleri, ilgili zorluklarla daha iyi ba\u015fa \u00e7\u0131kabilmek i\u00e7in s\u00fcrekli olarak geli\u015fmektedir. Buna geli\u015fmi\u015f g\u00fcnl\u00fck kayd\u0131, P2P uygulamalar\u0131n\u0131n daha iyi i\u015flenmesi ve geli\u015fmi\u015f oturum y\u00f6netimi dahildir.<\/p>\n<h2>Proxy Sunucular ve CGNAT<\/h2>\n<p>Proxy sunucular\u0131 ve CGNAT ortak bir konuyu payla\u015f\u0131yor: her ikisi de birden fazla cihaz\u0131 temsil eden tek bir IP adresi kavram\u0131n\u0131 i\u00e7eriyor. Proxy sunucular\u0131 anonimlik sa\u011flay\u0131p i\u00e7erik k\u0131s\u0131tlamalar\u0131n\u0131n a\u015f\u0131lmas\u0131na olanak tan\u0131sa da IPv4 adresinin t\u00fckenmesi sorununu \u00e7\u00f6zmez. \u0130\u015fte bu noktada CGNAT devreye giriyor. Proxy sunucular\u0131n CGNAT ile etkile\u015fimi, spesifik kuruluma g\u00f6re de\u011fi\u015fiklik g\u00f6sterse de genel olarak bir a\u011f ortam\u0131nda birlikte sorunsuz bir \u015fekilde \u00e7al\u0131\u015fabilirler.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ol>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc6888\" target=\"_new\" rel=\"noopener nofollow\">RFC 6888 \u2013 IETF<\/a><\/li>\n<li><a href=\"https:\/\/blogs.cisco.com\/sp\/cgn-the-dos-and-donts\" target=\"_new\" rel=\"noopener nofollow\">CGNAT: IPv4 T\u00fckenmesine K\u0131sa Vadeli Bir \u00c7\u00f6z\u00fcm \u2013 Cisco Blogu<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc8200\" target=\"_new\" rel=\"noopener nofollow\">IPv6 \u2013 IETF<\/a><\/li>\n<li><a href=\"https:\/\/www.juniper.net\/documentation\/en_US\/junos\/topics\/concept\/nat-overview.html\" target=\"_new\" rel=\"noopener nofollow\">A\u011f Adresi \u00c7evirisini Anlamak \u2013 Juniper Networks<\/a><\/li>\n<\/ol>\n<p>Bu makaledeki bilgiler, CGNAT&#039;\u0131n k\u00f6kenleri, uygulamalar\u0131, s\u0131n\u0131rlamalar\u0131 ve potansiyel gelece\u011fi hakk\u0131nda kapsaml\u0131 bir anlay\u0131\u015f sunmaktad\u0131r. Ayr\u0131ca OneProxy taraf\u0131ndan sa\u011flananlar gibi proxy sunucular\u0131n CGNAT ile nas\u0131l etkile\u015fime girdi\u011fi incelenerek bu birbirine ba\u011fl\u0131 a\u011f teknolojilerine b\u00fct\u00fcnsel bir bak\u0131\u015f a\u00e7\u0131s\u0131 sunulmaktad\u0131r.<\/p>","protected":false},"featured_media":476205,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476204","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Carrier-Grade Network Address Translation (CGNAT): An In-depth Look<\/mark>","faq_items":[{"question":"What is Carrier-Grade Network Address Translation (CGNAT)?","answer":"<p>CGNAT is an Internet Engineering Task Force (IETF) standard specifically designed to mitigate the problem of IPv4 address exhaustion. It allows multiple devices to share a single public IPv4 address, effectively extending the lifespan of the IPv4 address space.<\/p>"},{"question":"When was CGNAT first introduced?","answer":"<p>CGNAT was initially proposed by the IETF in 2011 and later standardized in 2012. Its introduction was driven by the rapidly depleting pool of IPv4 addresses and the slow adoption of IPv6.<\/p>"},{"question":"How does CGNAT work?","answer":"<p>CGNAT operates much like a traditional NAT, but with an extra layer of translation. When data packets move from a local network to the Internet, they pass through the local NAT, which converts the private IP address to a public one. These packets then reach the CGNAT at the ISP, which once again changes the public IP address. The process is reversed for inbound data packets.<\/p>"},{"question":"What are some key features of CGNAT?","answer":"<p>Key features of CGNAT include address conservation (allowing many devices to share a single public IP address), transparency (being unnoticeable to most users and applications), compatibility (working with both IPv4 and IPv6 addresses), and scalability (handling a large number of IP address translations).<\/p>"},{"question":"What types of CGNAT exist?","answer":"<p>There are two broad categories of CGNAT: Basic CGNAT, which performs simple one-to-one translation of public IP addresses to private ones, and Advanced CGNAT, which supports additional features like port blocking, session limiting, and logging.<\/p>"},{"question":"What are some issues with CGNAT and how can they be solved?","answer":"<p>CGNAT can pose problems for certain peer-to-peer (P2P) services and online gaming applications, complicate geo-location and IP-based identification, and impact services that require port forwarding. These issues can be tackled by using advanced CGNAT features or alternative technologies like IPv6 or Application Layer Gateways (ALGs).<\/p>"},{"question":"What is the future of CGNAT?","answer":"<p>The future of CGNAT is likely intertwined with the adoption of IPv6. While CGNAT provides a temporary solution to IPv4 exhaustion, as IPv6 becomes more universally adopted, the reliance on CGNAT may diminish. However, advanced forms of CGNAT continue to evolve to better handle the associated challenges.<\/p>"},{"question":"How do proxy servers interact with CGNAT?","answer":"<p>Proxy servers and CGNAT share a common thread in that they both involve the concept of one IP address representing multiple devices. While proxy servers can provide anonymity and bypass content restrictions, they don't solve the issue of IPv4 address exhaustion. Generally, proxy servers and CGNAT can function together seamlessly in a network environment.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476204\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/476205"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=476204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}