{"id":324,"date":"2025-10-23T18:05:07","date_gmt":"2025-10-23T18:05:07","guid":{"rendered":"https:\/\/smart.ozun.tr\/blog\/?p=324"},"modified":"2025-10-23T18:13:11","modified_gmt":"2025-10-23T18:13:11","slug":"cgnat-havuzu-nedir","status":"publish","type":"post","link":"https:\/\/smart.ozun.tr\/blog\/cgnat-havuzu-nedir\/","title":{"rendered":"CGNAT Havuzu Nedir?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>CGNAT (Carrier Grade NAT)<\/strong>, internet servis sa\u011flay\u0131c\u0131lar\u0131n\u0131n (\u00f6rne\u011fin T\u00fcrk Telekom, TurkNet, Vodafone, Millenicom) s\u0131n\u0131rl\u0131 IPv4 adreslerini binlerce kullan\u0131c\u0131 aras\u0131nda payla\u015ft\u0131rmak i\u00e7in kulland\u0131\u011f\u0131 bir teknolojidir.<br>Bu yaz\u0131da CGNAT havuzunun ne oldu\u011funu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, port y\u00f6nlendirme ve uzaktan eri\u015fim \u00fczerindeki etkilerini, ayr\u0131ca bu durumdan nas\u0131l kurtulabilece\u011finizi detayl\u0131 \u015fekilde anlat\u0131yoruz.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/CGN_IPv4.svg_-1024x559.png\" alt=\"\" class=\"wp-image-345\" style=\"width:768px;height:auto\" srcset=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/CGN_IPv4.svg_-1024x559.png 1024w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/CGN_IPv4.svg_-300x164.png 300w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/CGN_IPv4.svg_-768x419.png 768w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/CGN_IPv4.svg_.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">CGNAT Nedir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CGNAT, \u201cCarrier Grade Network Address Translation\u201d ifadesinin k\u0131saltmas\u0131d\u0131r.<br>Bu sistemde servis sa\u011flay\u0131c\u0131, <strong>tek bir ger\u00e7ek (public) IP adresini y\u00fczlerce aboneyle payla\u015f\u0131r.<\/strong><br>Her kullan\u0131c\u0131n\u0131n evinde bulunan modem veya router\u2019a \u00f6zel bir <strong>i\u00e7 IP (\u00f6rne\u011fin 100.64.x.x)<\/strong> atan\u0131r. Bu IP, internete \u00e7\u0131karken NAT (adres \u00e7evirme) i\u015flemiyle tek bir genel IP \u00fczerinden y\u00f6nlendirilir.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">K\u0131saca: CGNAT = Ortak IP kullan\u0131m\u0131d\u0131r.<br>Bu sayede ISS\u2019ler IP adresi yetersizli\u011fi sorununu \u00e7\u00f6zer ama baz\u0131 k\u0131s\u0131tlamalar getirir.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">CGNAT Havuzu Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ev veya ofis modemine ISS taraf\u0131ndan <strong>\u00f6zel bir IP atan\u0131r (\u00f6rne\u011fin 100.89.53.12)<\/strong><\/li>\n\n\n\n<li>Bu IP, ISS\u2019nin <strong>CGNAT sunucusu<\/strong> \u00fczerinden internete \u00e7\u0131kar.<\/li>\n\n\n\n<li>D\u0131\u015f d\u00fcnyadan gelen ba\u011flant\u0131lar (\u00f6rne\u011fin port y\u00f6nlendirme talepleri), NAT katman\u0131nda <strong>engellenir<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Bu nedenle, CGNAT alt\u0131ndaki kullan\u0131c\u0131lar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Port a\u00e7amaz,<\/li>\n\n\n\n<li>D\u0131\u015far\u0131dan gelen ba\u011flant\u0131lar\u0131 (\u00f6rne\u011fin g\u00fcvenlik kameras\u0131, NAS, Home Assistant eri\u015fimi) kullanamaz,<\/li>\n\n\n\n<li>Statik IP gerektiren sistemleri \u00e7al\u0131\u015ft\u0131ramaz.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"484\" src=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-overview-diagram-1024x484.png\" alt=\"\" class=\"wp-image-346\" style=\"width:733px;height:auto\" srcset=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-overview-diagram-1024x484.png 1024w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-overview-diagram-300x142.png 300w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-overview-diagram-768x363.png 768w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-overview-diagram-1536x726.png 1536w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-overview-diagram-2048x968.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">CGNAT Alt\u0131nda Oldu\u011funuzu Nas\u0131l Anlars\u0131n\u0131z?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Basit bir test:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Modem aray\u00fcz\u00fcndeki WAN IP adresinizi kontrol edin.<\/li>\n\n\n\n<li>Taray\u0131c\u0131dan <a>whatismyip.com<\/a> veya <a>ipinfo.io<\/a> adresine gidin.<\/li>\n\n\n\n<li>\u0130ki IP <strong>farkl\u0131ysa<\/strong>, CGNAT alt\u0131ndas\u0131n\u0131z demektir.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00fcrk Telekom, genellikle CGNAT IP\u2019lerini 100.64.0.0 \u2013 100.127.255.255 aral\u0131\u011f\u0131nda verir.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">CGNAT Sisteminin Avantajlar\u0131<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP tasarrufu sa\u011flar:<\/strong> IPv4 adresleri t\u00fckendi\u011fi i\u00e7in, ISS\u2019ler bu y\u00f6ntemi kullanmak zorundad\u0131r.<\/li>\n\n\n\n<li><strong>Y\u00f6netim kolayl\u0131\u011f\u0131:<\/strong> ISS\u2019ler binlerce ba\u011flant\u0131y\u0131 tek noktadan y\u00f6netebilir.<\/li>\n\n\n\n<li><strong>DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma:<\/strong> D\u0131\u015far\u0131dan gelen do\u011frudan sald\u0131r\u0131lar kullan\u0131c\u0131ya ula\u015fmaz.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">CGNAT Sisteminin Dezavantajlar\u0131<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Port y\u00f6nlendirme yap\u0131lamaz.<\/strong><br>G\u00fcvenlik kameralar\u0131, Home Assistant, oyun sunucular\u0131 veya uzak masa\u00fcst\u00fc ba\u011flant\u0131lar\u0131 \u00e7al\u0131\u015fmaz.<\/li>\n\n\n\n<li><strong>Uzaktan eri\u015fim sorunlar\u0131 ya\u015fan\u0131r.<\/strong><br>Ev otomasyonu veya NAS cihazlar\u0131 d\u0131\u015far\u0131dan ba\u011flan\u0131lamaz.<\/li>\n\n\n\n<li><strong>Baz\u0131 online oyunlarda NAT Type 3 hatas\u0131 olu\u015fur.<\/strong><\/li>\n\n\n\n<li><strong>VPN veya DDNS servisleri d\u00fczg\u00fcn \u00e7al\u0131\u015fmayabilir.<\/strong><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">CGNAT\u2019ten Kurtulma Yollar\u0131<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1&#xfe0f;&#x20e3; Statik IP Almak<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"854\" height=\"841\" src=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-1.webp\" alt=\"\" class=\"wp-image-348\" style=\"width:170px;height:auto\" srcset=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-1.webp 854w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-1-300x295.webp 300w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/cgnat-1-768x756.webp 768w\" sizes=\"auto, (max-width: 854px) 100vw, 854px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">En kesin \u00e7\u00f6z\u00fcmd\u00fcr. T\u00fcrk Telekom ve di\u011fer servis sa\u011flay\u0131c\u0131lar genellikle ayl\u0131k 20\u201330 TL kar\u015f\u0131l\u0131\u011f\u0131nda <strong>statik (sabit) IP<\/strong> verir.<br>B\u00f6ylece port y\u00f6nlendirme, uzaktan eri\u015fim ve t\u00fcm ba\u011flant\u0131lar sorunsuz \u00e7al\u0131\u015f\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2&#xfe0f;&#x20e3; IPv6 Deste\u011fi A\u00e7mak<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6 adresleri herkese \u00f6zel oldu\u011fu i\u00e7in CGNAT sorunu ya\u015fanmaz.<br>Ancak t\u00fcm sistemler ve cihazlar IPv6 desteklemelidir. T\u00fcrkiye\u2019de IPv6 deste\u011fi yava\u015f yay\u0131lmaktad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3&#xfe0f;&#x20e3; Reverse Proxy veya T\u00fcnel Servisleri Kullanmak<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/314135.jpg\" alt=\"\" class=\"wp-image-347\" style=\"width:136px;height:auto\" srcset=\"https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/314135.jpg 400w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/314135-300x300.jpg 300w, https:\/\/smart.ozun.tr\/blog\/wp-content\/uploads\/2025\/10\/314135-150x150.jpg 150w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Home Assistant, IP kamera veya mini sunucular i\u00e7in alternatif \u00e7\u00f6z\u00fcmler:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tailscale \/ Zerotier<\/strong> (sanal \u00f6zel a\u011f ba\u011flant\u0131s\u0131)<\/li>\n\n\n\n<li><strong>Cloudflare Tunnel \/ Remote.it<\/strong> (uzaktan eri\u015fim i\u00e7in g\u00fcvenli t\u00fcnelleme)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bu servisler CGNAT alt\u0131ndaki a\u011flarda bile uzaktan eri\u015fim sa\u011flar.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00fcrk Telekom ve CGNAT Durumu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00fcrk Telekom, \u00f6zellikle <strong>fiber ve VDSL kullan\u0131c\u0131lar\u0131nda<\/strong> CGNAT havuzu kullan\u0131m\u0131n\u0131 yayg\u0131nla\u015ft\u0131rm\u0131\u015ft\u0131r.<br>Baz\u0131 b\u00f6lgelerde statik IP almadan port y\u00f6nlendirme m\u00fcmk\u00fcn de\u011fildir.<br>\u0130stek \u00fczerine m\u00fc\u015fteri hizmetlerinden <strong>statik IP talebi<\/strong> yap\u0131labilir veya IPv6 testleri ba\u015flat\u0131labilir.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Sonu\u00e7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CGNAT havuzu, internet servis sa\u011flay\u0131c\u0131lar\u0131n\u0131n IPv4 adres yetersizli\u011fini \u00e7\u00f6zmek i\u00e7in kulland\u0131\u011f\u0131 <strong>zorunlu bir ge\u00e7ici \u00e7\u00f6z\u00fcmd\u00fcr<\/strong>.<br>Ancak uzaktan eri\u015fim, port y\u00f6nlendirme ve ak\u0131ll\u0131 ev sistemleri gibi bir\u00e7ok konuda <strong>k\u0131s\u0131tlamalar getirir<\/strong>.<br>E\u011fer bu \u00f6zellikleri kullanmak istiyorsan\u0131z, <strong>statik IP almak<\/strong> veya <strong>IPv6 deste\u011fini aktif etmek<\/strong> en do\u011fru \u00e7\u00f6z\u00fcmd\u00fcr.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CGNAT (Carrier Grade NAT), internet servis sa\u011flay\u0131c\u0131lar\u0131n\u0131n (\u00f6rne\u011fin T\u00fcrk Telekom, TurkNet, Vodafone, Millenicom) s\u0131n\u0131rl\u0131 IPv4 adreslerini binlerce kullan\u0131c\u0131 aras\u0131nda payla\u015ft\u0131rmak i\u00e7in kulland\u0131\u011f\u0131 bir teknolojidir.Bu yaz\u0131da CGNAT havuzunun ne oldu\u011funu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, port y\u00f6nlendirme ve uzaktan eri\u015fim \u00fczerindeki etkilerini, ayr\u0131ca bu durumdan nas\u0131l kurtulabilece\u011finizi detayl\u0131 \u015fekilde anlat\u0131yoruz. CGNAT Nedir? CGNAT, \u201cCarrier [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":348,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknolojiler"],"_links":{"self":[{"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/posts\/324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/comments?post=324"}],"version-history":[{"count":3,"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/posts\/324\/revisions"}],"predecessor-version":[{"id":350,"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/posts\/324\/revisions\/350"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/media\/348"}],"wp:attachment":[{"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/media?parent=324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/categories?post=324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smart.ozun.tr\/blog\/wp-json\/wp\/v2\/tags?post=324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}