{"id":21833,"date":"2026-11-06T10:15:03","date_gmt":"2026-11-06T07:15:03","guid":{"rendered":"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/"},"modified":"2026-11-06T10:15:03","modified_gmt":"2026-11-06T07:15:03","slug":"err-http2-protocol-error","status":"publish","type":"post","link":"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/","title":{"rendered":"ERR_HTTP2_PROTOCOL_ERROR Hatas\u0131 Nedir? Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#ERR_HTTP2_PROTOCOL_ERROR_Ne_Demek\" >ERR_HTTP2_PROTOCOL_ERROR Ne Demek?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#Hatanin_Nedenleri\" >Hatan\u0131n Nedenleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#Ziyaretci_Olarak_Nasil_Cozulur\" >Ziyaret\u00e7i Olarak Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#Site_Sahibi_Olarak_Nasil_Cozulur\" >Site Sahibi Olarak Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#1_Hata_Kayitlarina_Bakin\" >1. Hata Kay\u0131tlar\u0131na Bak\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#2_Disk_Alanini_Kontrol_Edin\" >2. Disk Alan\u0131n\u0131 Kontrol Edin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#3_HTTP2_ile_HTTP11_Yanitlarini_Karsilastirin\" >3. HTTP\/2 ile HTTP\/1.1 Yan\u0131tlar\u0131n\u0131 Kar\u015f\u0131la\u015ft\u0131r\u0131n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#4_Basliklari_Proxy_ve_CDN_Ayarlarini_Gozden_Gecirin\" >4. Ba\u015fl\u0131klar\u0131, Proxy ve CDN Ayarlar\u0131n\u0131 G\u00f6zden Ge\u00e7irin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#5_Web_Sunucusunu_Guncelleyin\" >5. Web Sunucusunu G\u00fcncelleyin<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/sunucun.com.tr\/blog\/err-http2-protocol-error\/#Sonuc\" >Sonu\u00e7<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\"><strong>ERR_HTTP2_PROTOCOL_ERROR<\/strong>, taray\u0131c\u0131n\u0131n bir siteyle <strong>HTTP\/2<\/strong> protokol\u00fc \u00fczerinden ileti\u015fim kurarken kurallara uymayan veya yar\u0131da kesilmi\u015f bir yan\u0131t ald\u0131\u011f\u0131n\u0131 g\u00f6steren bir hatad\u0131r. Chrome bu durumda &#8220;Bu sayfa \u00e7al\u0131\u015fm\u0131yor&#8221; ya da &#8220;Bu siteye ula\u015f\u0131lam\u0131yor&#8221; ekran\u0131nda <code>ERR_HTTP2_PROTOCOL_ERROR<\/code> kodunu g\u00f6sterir; bazen de sayfa a\u00e7\u0131l\u0131r ama bir g\u00f6rsel, betik veya dosya indirmesi bu hatayla yar\u0131da kal\u0131r. Bu yaz\u0131da hatan\u0131n nedenlerini ve \u00e7\u00f6z\u00fcm ad\u0131mlar\u0131n\u0131 anlat\u0131yoruz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_HTTP2_PROTOCOL_ERROR_Ne_Demek\"><\/span>ERR_HTTP2_PROTOCOL_ERROR Ne Demek?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p class=\"wp-block-paragraph\">HTTP\/2, tek bir ba\u011flant\u0131 \u00fczerinden birden fazla iste\u011fi ayn\u0131 anda ta\u015f\u0131yan ve verileri &#8220;\u00e7er\u00e7eve&#8221; ad\u0131 verilen par\u00e7alar h\u00e2linde g\u00f6nderen bir protokold\u00fcr. Taray\u0131c\u0131, sunucudan (veya arada \u00e7al\u0131\u015fan bir proxy, CDN ya da g\u00fcvenlik yaz\u0131l\u0131m\u0131ndan) gelen \u00e7er\u00e7evelerden biri protokole uymuyorsa ya da bir ak\u0131\u015f beklenmedik \u015fekilde s\u0131f\u0131rlan\u0131rsa bu hatay\u0131 g\u00f6sterir. Sorun \u00e7o\u011funlukla site taraf\u0131ndad\u0131r, ancak bilgisayardaki g\u00fcvenlik yaz\u0131l\u0131mlar\u0131 da neden olabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hatanin_Nedenleri\"><\/span>Hatan\u0131n Nedenleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul class=\"wp-block-list\"><li><strong>Yar\u0131da kesilen yan\u0131t:<\/strong> Sunucu yan\u0131t\u0131 tamamlamadan ak\u0131\u015f\u0131 kapat\u0131rsa (\u00f6r. uygulama \u00e7\u00f6kt\u00fc\u011f\u00fcnde veya zaman a\u015f\u0131m\u0131nda) taray\u0131c\u0131 protokol hatas\u0131 g\u00f6r\u00fcr.<\/li><li><strong>Dolu disk:<\/strong> Nginx gibi sunucular b\u00fcy\u00fck yan\u0131tlar\u0131 ge\u00e7ici dosyalara yazar; disk doluysa yan\u0131t yar\u0131m kalabilir.<\/li><li><strong>Ge\u00e7ersiz yan\u0131t ba\u015fl\u0131klar\u0131:<\/strong> HTTP\/2&#8217;de izin verilmeyen karakterler i\u00e7eren ya da s\u0131n\u0131r\u0131 a\u015fan b\u00fcy\u00fckl\u00fckte ba\u015fl\u0131klar.<\/li><li><strong>Proxy veya CDN uyumsuzlu\u011fu:<\/strong> Arka u\u00e7 sunucu ile proxy aras\u0131ndaki yanl\u0131\u015f yap\u0131land\u0131rma (\u00f6r. yanl\u0131\u015f <code>Content-Length<\/code> de\u011feri).<\/li><li><strong>G\u00fcvenlik yaz\u0131l\u0131m\u0131:<\/strong> HTTPS trafi\u011fini inceleyen antivir\u00fcs veya kurumsal proxy yaz\u0131l\u0131mlar\u0131 HTTP\/2 ba\u011flant\u0131s\u0131n\u0131 bozabilir.<\/li><li><strong>Taray\u0131c\u0131 eklentileri veya eski taray\u0131c\u0131:<\/strong> Yan\u0131tlar\u0131 de\u011fi\u015ftiren eklentiler ve eski s\u00fcr\u00fcmler.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ziyaretci_Olarak_Nasil_Cozulur\"><\/span>Ziyaret\u00e7i Olarak Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ol class=\"wp-block-list\"><li><strong>Sayfay\u0131 yenileyin ve gizli pencerede deneyin:<\/strong> Gizli pencerede a\u00e7\u0131l\u0131yorsa \u00f6nbelle\u011fi temizleyin ve eklentileri tek tek kapat\u0131n.<\/li><li><strong>Chrome&#8217;u g\u00fcncelleyin:<\/strong> <code>chrome:\/\/settings\/help<\/code> sayfas\u0131ndan g\u00fcncellemeleri kontrol edin.<\/li><li><strong>G\u00fcvenlik yaz\u0131l\u0131m\u0131n\u0131 test edin:<\/strong> Antivir\u00fcs\u00fcn HTTPS taramas\u0131n\u0131 k\u0131sa s\u00fcreli\u011fine kapat\u0131p deneyin.<\/li><li><strong>Ba\u015fka bir a\u011f ve taray\u0131c\u0131 deneyin:<\/strong> Hata her yerde g\u00f6r\u00fcl\u00fcyorsa sorun sitededir ve yaln\u0131zca site sahibi \u00e7\u00f6zebilir.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Site_Sahibi_Olarak_Nasil_Cozulur\"><\/span>Site Sahibi Olarak Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Hata_Kayitlarina_Bakin\"><\/span>1. Hata Kay\u0131tlar\u0131na Bak\u0131n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Web sunucusunun hata kayd\u0131 (Nginx i\u00e7in genellikle <code>\/var\/log\/nginx\/error.log<\/code>) \u00e7o\u011fu zaman nedeni do\u011frudan g\u00f6sterir. &#8220;No space left on device&#8221;, &#8220;upstream prematurely closed connection&#8221; veya ge\u00e7ici dosya yazma hatalar\u0131 aray\u0131n. Hata kay\u0131tlar\u0131n\u0131 okuma y\u00f6ntemini <a href=\"https:\/\/sunucun.com.tr\/blog\/sunucu-hata-kayitlari-error-logs-nasil-okunur\/\">sunucu hata kay\u0131tlar\u0131 nas\u0131l okunur<\/a> yaz\u0131m\u0131zda anlatt\u0131k.<\/p>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Disk_Alanini_Kontrol_Edin\"><\/span>2. Disk Alan\u0131n\u0131 Kontrol Edin<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<p class=\"wp-block-paragraph\"><code>df -h<\/code> komutuyla disk dolulu\u011funa bak\u0131n. Disk doluysa eski kay\u0131t dosyalar\u0131n\u0131 ve yedekleri temizleyin; Nginx&#8217;in ge\u00e7ici dosya klas\u00f6r\u00fcne (<code>proxy_temp_path<\/code>, <code>fastcgi_temp_path<\/code>) yazma izni oldu\u011fundan da emin olun.<\/p>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_HTTP2_ile_HTTP11_Yanitlarini_Karsilastirin\"><\/span>3. HTTP\/2 ile HTTP\/1.1 Yan\u0131tlar\u0131n\u0131 Kar\u015f\u0131la\u015ft\u0131r\u0131n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Sorunlu adresi iki protokolle ayr\u0131 ayr\u0131 test edin. HTTP\/1.1 ile sorunsuz, HTTP\/2 ile hatal\u0131ysa ba\u015fl\u0131klar\u0131 ve yan\u0131t\u0131n tamamlan\u0131p tamamlanmad\u0131\u011f\u0131n\u0131 inceleyin:<\/p>\n\n\n<pre class=\"wp-block-code\"><code>curl -sv --http2 -o \/dev\/null https:\/\/alanadiniz.com\/sorunlu-sayfa\ncurl -sv --http1.1 -o \/dev\/null https:\/\/alanadiniz.com\/sorunlu-sayfa<\/code><\/pre>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Basliklari_Proxy_ve_CDN_Ayarlarini_Gozden_Gecirin\"><\/span>4. Ba\u015fl\u0131klar\u0131, Proxy ve CDN Ayarlar\u0131n\u0131 G\u00f6zden Ge\u00e7irin<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Uygulaman\u0131z\u0131n g\u00f6nderdi\u011fi ba\u015fl\u0131klarda ge\u00e7ersiz karakter veya \u00e7ok b\u00fcy\u00fck \u00e7erez olmad\u0131\u011f\u0131ndan emin olun. Ters proxy kullan\u0131yorsan\u0131z arka u\u00e7tan gelen <code>Content-Length<\/code> de\u011ferinin ger\u00e7ek yan\u0131t boyutuyla e\u015fle\u015fti\u011fini kontrol edin. CDN kullan\u0131yorsan\u0131z sorunu ay\u0131rmak i\u00e7in CDN&#8217;i ge\u00e7ici olarak devre d\u0131\u015f\u0131 b\u0131rak\u0131p do\u011frudan sunucuya ba\u011flanmay\u0131 deneyin.<\/p>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Web_Sunucusunu_Guncelleyin\"><\/span>5. Web Sunucusunu G\u00fcncelleyin<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Nginx, Apache ve LiteSpeed&#8217;in eski s\u00fcr\u00fcmlerinde HTTP\/2 ile ilgili hatalar bulunabilir. Sunucu yaz\u0131l\u0131m\u0131n\u0131 ve OpenSSL&#8217;i g\u00fcncel tutun. Kal\u0131c\u0131 \u00e7\u00f6z\u00fcm bulunana kadar HTTP\/2&#8217;yi ge\u00e7ici olarak kapatmak bir se\u00e7enektir, ancak bu performans\u0131 d\u00fc\u015f\u00fcr\u00fcr ve as\u0131l nedeni \u00e7\u00f6zmez.<\/p>\n\n\n<p class=\"wp-block-paragraph\">QUIC\/HTTP3 ba\u011flant\u0131lar\u0131ndaki benzer bir hata i\u00e7in <a href=\"https:\/\/sunucun.com.tr\/blog\/err-quic-protocol-error\/\">ERR_QUIC_PROTOCOL_ERROR<\/a>, ba\u011flant\u0131n\u0131n yan\u0131t g\u00f6nderilmeden kapat\u0131ld\u0131\u011f\u0131 durumlar i\u00e7in <a href=\"https:\/\/sunucun.com.tr\/blog\/err-connection-closed\/\">ERR_CONNECTION_CLOSED<\/a> rehberlerimize bakabilirsiniz. Sunucu kay\u0131tlar\u0131na ve web sunucusu yap\u0131land\u0131rmas\u0131na tam eri\u015fim i\u00e7in root yetkili bir <a href=\"https:\/\/sunucun.com.tr\/vds-sunucu\">VDS sunucu<\/a> kullanabilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sonuc\"><\/span>Sonu\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p class=\"wp-block-paragraph\">ERR_HTTP2_PROTOCOL_ERROR, taray\u0131c\u0131n\u0131n HTTP\/2 \u00fczerinden kurallara uymayan veya yar\u0131da kesilmi\u015f bir yan\u0131t ald\u0131\u011f\u0131n\u0131 g\u00f6sterir. Ziyaret\u00e7i olarak eklentileri, g\u00fcvenlik yaz\u0131l\u0131m\u0131n\u0131 ve taray\u0131c\u0131 s\u00fcr\u00fcm\u00fcn\u00fc kontrol edin. Site sahibiyseniz hata kay\u0131tlar\u0131na, disk alan\u0131na, ba\u015fl\u0131klara ve proxy yap\u0131land\u0131rmas\u0131na bak\u0131n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ERR_HTTP2_PROTOCOL_ERROR, taray\u0131c\u0131n\u0131n bir siteyle HTTP\/2 protokol\u00fc \u00fczerinden ileti\u015fim kurarken kurallara uymayan veya yar\u0131da kesilmi\u015f bir yan\u0131t ald\u0131\u011f\u0131n\u0131 g\u00f6steren bir hatad\u0131r. Chrome bu durumda &#8220;Bu sayfa \u00e7al\u0131\u015fm\u0131yor&#8221; ya da &#8220;Bu siteye ula\u015f\u0131lam\u0131yor&#8221; ekran\u0131nda ERR_HTTP2_PROTOCOL_ERROR kodunu g\u00f6sterir; bazen de sayfa a\u00e7\u0131l\u0131r ama bir g\u00f6rsel, betik veya dosya indirmesi bu hatayla yar\u0131da kal\u0131r. Bu yaz\u0131da hatan\u0131n nedenlerini ve&hellip;<\/p>\n","protected":false},"author":1,"featured_media":21841,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[1523],"tags":[],"class_list":["post-21833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/21833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=21833"}],"version-history":[{"count":0,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/21833\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media\/21841"}],"wp:attachment":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=21833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=21833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=21833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}