{"id":2256,"date":"2026-08-26T10:13:20","date_gmt":"2026-08-26T07:13:20","guid":{"rendered":"https:\/\/verimin.com.tr\/blog\/?p=2256"},"modified":"2026-08-26T10:13:20","modified_gmt":"2026-08-26T07:13:20","slug":"err-connection-timed-out","status":"publish","type":"post","link":"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/","title":{"rendered":"ERR_CONNECTION_TIMED_OUT Hatas\u0131 Nedir? 7 Nedeni ve \u00c7\u00f6z\u00fcm\u00fc"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">ERR_CONNECTION_TIMED_OUT, taray\u0131c\u0131n\u0131n bir siteye a\u00e7t\u0131\u011f\u0131 ba\u011flant\u0131 iste\u011finin belirlenen s\u00fcre i\u00e7inde yan\u0131ts\u0131z kalmas\u0131d\u0131r. Hata bu adla Chrome ve Chromium tabanl\u0131 taray\u0131c\u0131larda g\u00f6r\u00fcl\u00fcr; ayn\u0131 durum ba\u015fka programlarda &#8220;connection timed out&#8221; ya da &#8220;connect timed out&#8221;, T\u00fcrk\u00e7e aray\u00fczlerde &#8220;ba\u011flant\u0131 zaman a\u015f\u0131m\u0131na u\u011frad\u0131&#8221; olarak yaz\u0131l\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mekanizmas\u0131 tek c\u00fcmleyle \u00f6zetlenir: taray\u0131c\u0131 sunucuya istek g\u00f6nderir, kar\u015f\u0131l\u0131k bekler, kar\u015f\u0131l\u0131k gelmez ve beklemeyi belirli bir s\u00fcre sonunda keser. Chrome taraf\u0131ndaki bu s\u00fcre yakla\u015f\u0131k <strong>30 saniyedir (30.000 milisaniye)<\/strong>. S\u00fcre doldu\u011funda taray\u0131c\u0131n\u0131n elinde sunucudan gelmi\u015f hi\u00e7bir veri yoktur; ekranda hata sayfas\u0131 de\u011fil, bo\u015f bir ba\u011flant\u0131 hatas\u0131 belirir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hata taray\u0131c\u0131da g\u00f6r\u00fcn\u00fcr ama nedeni \u00e7o\u011funlukla taray\u0131c\u0131da de\u011fildir. Kaynak \u00fc\u00e7 yerden birindedir: yan\u0131t vermeyen <strong>sunucu<\/strong>, paketi ta\u015f\u0131mayan <strong>a\u011f yolu<\/strong> ya da iste\u011fi hi\u00e7 g\u00f6ndermeyen <strong>istemci<\/strong>. A\u015fa\u011f\u0131da hatan\u0131n anlam\u0131n\u0131, yedi nedenini, sunucu taraf\u0131ndaki durumlar\u0131, \u00e7\u00f6z\u00fcm ad\u0131mlar\u0131n\u0131, SSH ve SMTP kar\u015f\u0131l\u0131\u011f\u0131n\u0131 ve kom\u015fu hatalardan fark\u0131n\u0131 a\u00e7\u0131kl\u0131yoruz.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Ba\u015fl\u0131klar\u0131:<\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#ERR_CONNECTION_TIMED_OUT_ne_demek\" title=\"ERR_CONNECTION_TIMED_OUT ne demek?\">ERR_CONNECTION_TIMED_OUT ne demek?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#ERR_CONNECTION_TIMED_OUT_hatasinin_nedenleri_nelerdir\" title=\"ERR_CONNECTION_TIMED_OUT hatas\u0131n\u0131n nedenleri nelerdir?\">ERR_CONNECTION_TIMED_OUT hatas\u0131n\u0131n nedenleri nelerdir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Sunucu_tarafi_baglantiyi_hangi_durumlarda_zaman_asimina_dusurur\" title=\"Sunucu taraf\u0131 ba\u011flant\u0131y\u0131 hangi durumlarda zaman a\u015f\u0131m\u0131na d\u00fc\u015f\u00fcr\u00fcr?\">Sunucu taraf\u0131 ba\u011flant\u0131y\u0131 hangi durumlarda zaman a\u015f\u0131m\u0131na d\u00fc\u015f\u00fcr\u00fcr?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Sunucu_kaynaklari_tukendiginde_baglanti_neden_yanitsiz_kalir\" title=\"Sunucu kaynaklar\u0131 t\u00fckendi\u011finde ba\u011flant\u0131 neden yan\u0131ts\u0131z kal\u0131r?\">Sunucu kaynaklar\u0131 t\u00fckendi\u011finde ba\u011flant\u0131 neden yan\u0131ts\u0131z kal\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Guvenlik_duvari_ve_kapali_portlar_baglantiyi_nasil_engeller\" title=\"G\u00fcvenlik duvar\u0131 ve kapal\u0131 portlar ba\u011flant\u0131y\u0131 nas\u0131l engeller?\">G\u00fcvenlik duvar\u0131 ve kapal\u0131 portlar ba\u011flant\u0131y\u0131 nas\u0131l engeller?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Sunucu_bir_IP_adresini_engellediginde_ne_olur\" title=\"Sunucu bir IP adresini engelledi\u011finde ne olur?\">Sunucu bir IP adresini engelledi\u011finde ne olur?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Ag_ve_istemci_tarafindaki_nedenler_nasil_ayristirilir\" title=\"A\u011f ve istemci taraf\u0131ndaki nedenler nas\u0131l ayr\u0131\u015ft\u0131r\u0131l\u0131r?\">A\u011f ve istemci taraf\u0131ndaki nedenler nas\u0131l ayr\u0131\u015ft\u0131r\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#DNS_kaydi_ve_yayilim_suresi_zaman_asimina_nasil_yol_acar\" title=\"DNS kayd\u0131 ve yay\u0131l\u0131m s\u00fcresi zaman a\u015f\u0131m\u0131na nas\u0131l yol a\u00e7ar?\">DNS kayd\u0131 ve yay\u0131l\u0131m s\u00fcresi zaman a\u015f\u0131m\u0131na nas\u0131l yol a\u00e7ar?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Modem_Wi-Fi_proxy_ve_VPN_ayarlari_hatayi_nasil_tetikler\" title=\"Modem, Wi-Fi, proxy ve VPN ayarlar\u0131 hatay\u0131 nas\u0131l tetikler?\">Modem, Wi-Fi, proxy ve VPN ayarlar\u0131 hatay\u0131 nas\u0131l tetikler?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#ERR_CONNECTION_TIMED_OUT_hatasi_nasil_cozulur\" title=\"ERR_CONNECTION_TIMED_OUT hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr?\">ERR_CONNECTION_TIMED_OUT hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Sorunun_sunucuda_mi_sizin_aginizda_mi_oldugu_nasil_anlasilir\" title=\"Sorunun sunucuda m\u0131 sizin a\u011f\u0131n\u0131zda m\u0131 oldu\u011fu nas\u0131l anla\u015f\u0131l\u0131r?\">Sorunun sunucuda m\u0131 sizin a\u011f\u0131n\u0131zda m\u0131 oldu\u011fu nas\u0131l anla\u015f\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#SSH_RDP_ve_SMTP_baglantilarinda_zaman_asimi_neden_gorulur\" title=\"SSH, RDP ve SMTP ba\u011flant\u0131lar\u0131nda zaman a\u015f\u0131m\u0131 neden g\u00f6r\u00fcl\u00fcr?\">SSH, RDP ve SMTP ba\u011flant\u0131lar\u0131nda zaman a\u015f\u0131m\u0131 neden g\u00f6r\u00fcl\u00fcr?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#SSH_baglantisi_neden_%E2%80%9Cconnection_timed_out%E2%80%9D_verir\" title=\"SSH ba\u011flant\u0131s\u0131 neden &#8220;connection timed out&#8221; verir?\">SSH ba\u011flant\u0131s\u0131 neden &#8220;connection timed out&#8221; verir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#E-posta_gonderiminde_SMTP_zaman_asimi_neden_olusur\" title=\"E-posta g\u00f6nderiminde SMTP zaman a\u015f\u0131m\u0131 neden olu\u015fur?\">E-posta g\u00f6nderiminde SMTP zaman a\u015f\u0131m\u0131 neden olu\u015fur?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#ERR_CONNECTION_TIMED_OUT_diger_baglanti_hatalarindan_nasil_ayrilir\" title=\"ERR_CONNECTION_TIMED_OUT di\u011fer ba\u011flant\u0131 hatalar\u0131ndan nas\u0131l ayr\u0131l\u0131r?\">ERR_CONNECTION_TIMED_OUT di\u011fer ba\u011flant\u0131 hatalar\u0131ndan nas\u0131l ayr\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#ERR_CONNECTION_TIMED_OUT_hakkinda_sik_sorulan_sorular\" title=\"ERR_CONNECTION_TIMED_OUT hakk\u0131nda s\u0131k sorulan sorular\">ERR_CONNECTION_TIMED_OUT hakk\u0131nda s\u0131k sorulan sorular<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#ERR_CONNECTION_TIMED_OUT_hatasi_virus_kaynakli_midir\" title=\"ERR_CONNECTION_TIMED_OUT hatas\u0131 vir\u00fcs kaynakl\u0131 m\u0131d\u0131r?\">ERR_CONNECTION_TIMED_OUT hatas\u0131 vir\u00fcs kaynakl\u0131 m\u0131d\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#VPN_kullanmak_ERR_CONNECTION_TIMED_OUT_hatasini_cozer_mi\" title=\"VPN kullanmak ERR_CONNECTION_TIMED_OUT hatas\u0131n\u0131 \u00e7\u00f6zer mi?\">VPN kullanmak ERR_CONNECTION_TIMED_OUT hatas\u0131n\u0131 \u00e7\u00f6zer mi?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Zaman_asimi_suresi_sunucu_tarafinda_degistirilebilir_mi\" title=\"Zaman a\u015f\u0131m\u0131 s\u00fcresi sunucu taraf\u0131nda de\u011fi\u015ftirilebilir mi?\">Zaman a\u015f\u0131m\u0131 s\u00fcresi sunucu taraf\u0131nda de\u011fi\u015ftirilebilir mi?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/verimin.com.tr\/blog\/err-connection-timed-out\/#Hosting_saglayicisi_bu_hatayi_sizin_yerinize_cozebilir_mi\" title=\"Hosting sa\u011flay\u0131c\u0131s\u0131 bu hatay\u0131 sizin yerinize \u00e7\u00f6zebilir mi?\">Hosting sa\u011flay\u0131c\u0131s\u0131 bu hatay\u0131 sizin yerinize \u00e7\u00f6zebilir mi?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_CONNECTION_TIMED_OUT_ne_demek\"><\/span>ERR_CONNECTION_TIMED_OUT ne demek?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ERR_CONNECTION_TIMED_OUT, &#8220;ba\u011flant\u0131 zaman a\u015f\u0131m\u0131na u\u011frad\u0131&#8221; demektir. Taray\u0131c\u0131 sunucunun IP adresini bulmu\u015f, o adrese istek g\u00f6ndermi\u015f, fakat hi\u00e7bir kar\u015f\u0131l\u0131k alamam\u0131\u015ft\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Teknik kar\u015f\u0131l\u0131\u011f\u0131 TCP el s\u0131k\u0131\u015fmas\u0131n\u0131n ilk ad\u0131m\u0131nda tak\u0131lmakt\u0131r. \u0130stemci ba\u011flant\u0131y\u0131 ba\u015flatan paketi g\u00f6nderir, onay bekler, gelmezse iste\u011fi birka\u00e7 kez tekrarlar ve vazge\u00e7er. Soket seviyesinde bu duruma <code>SocketTimeoutException<\/code> ad\u0131 verilir; Windows a\u011f katman\u0131 ayn\u0131 durumu <strong>10060<\/strong> koduyla raporlar. E\u015fik sunucu taraf\u0131nda da tan\u0131ml\u0131d\u0131r: <code>connect timeout<\/code> ve <code>keepalive<\/code> de\u011ferleri saniye cinsinden ayarlan\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Buradaki ayr\u0131m kritiktir: reddedilen ba\u011flant\u0131 <strong>an\u0131nda<\/strong> yan\u0131t al\u0131r, zaman a\u015f\u0131m\u0131na u\u011frayan <strong>hi\u00e7<\/strong> yan\u0131t almaz. Bu, yedi olas\u0131 nedeni \u00fc\u00e7 tarafa da\u011f\u0131tmay\u0131 m\u00fcmk\u00fcn k\u0131lar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_CONNECTION_TIMED_OUT_hatasinin_nedenleri_nelerdir\"><\/span>ERR_CONNECTION_TIMED_OUT hatas\u0131n\u0131n nedenleri nelerdir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ERR_CONNECTION_TIMED_OUT hatas\u0131n\u0131n nedenleri, sorunun hangi tarafta olu\u015ftu\u011funa g\u00f6re \u00fc\u00e7 grupta toplan\u0131r: sunucu, a\u011f yolu ve istemci. Yedi neden bu \u00fc\u00e7 grubu s\u0131rayla kapsar:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Sunucunun kapal\u0131 olmas\u0131 veya servisinin durmas\u0131.<\/strong> Web sunucusu servisi \u00e7\u00f6kt\u00fc\u011f\u00fcnde gelen istek kar\u015f\u0131lanmaz.<\/li><li><strong>Sunucu kaynaklar\u0131n\u0131n t\u00fckenmesi.<\/strong> \u0130\u015flemci, bellek veya e\u015fzamanl\u0131 ba\u011flant\u0131 hakk\u0131 doldu\u011funda istek kuyrukta bekler.<\/li><li><strong>G\u00fcvenlik duvar\u0131 ve kapal\u0131 portlar.<\/strong> Porta gelen paket sessizce d\u00fc\u015f\u00fcr\u00fcld\u00fc\u011f\u00fcnde istemciye hi\u00e7bir yan\u0131t d\u00f6nmez.<\/li><li><strong>Sunucunun IP adresini engellemesi.<\/strong> Engellenen adresten gelen istekler yan\u0131ts\u0131z b\u0131rak\u0131l\u0131r.<\/li><li><strong>DNS kayd\u0131n\u0131n yanl\u0131\u015f olmas\u0131 veya yay\u0131l\u0131m\u0131n tamamlanmamas\u0131.<\/strong> Alan ad\u0131 kullan\u0131lmayan bir IP adresine \u00e7\u00f6z\u00fcl\u00fcyorsa ba\u011flant\u0131 bo\u015flu\u011fa gider.<\/li><li><strong>A\u011f yolundaki paket kayb\u0131 ve y\u00f6nlendirme sorunlar\u0131.<\/strong> \u0130stek, aradaki bir durakta kaybolur.<\/li><li><strong>\u0130stemci taraf\u0131ndaki modem, Wi-Fi, proxy ve VPN ayarlar\u0131.<\/strong> \u0130stek sunucuya hi\u00e7 ula\u015fmadan yerel a\u011fda d\u00fc\u015fer.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bu nedenlerin ilk d\u00f6rd\u00fc sunucu taraf\u0131ndad\u0131r ve izleri sunucu loglar\u0131na d\u00fc\u015fer; loglar\u0131n nas\u0131l okunaca\u011f\u0131n\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/sunucu-loglari\/\">Sunucu Loglar\u0131 Nedir? Nas\u0131l Okunur ve \u0130zlenir?<\/a> yaz\u0131s\u0131nda anlatt\u0131k. Te\u015fhis de bu y\u00fczden sunucudan ba\u015flar.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi.avif\" alt=\"Sunucu taraf\u0131nda zaman a\u015f\u0131m\u0131na yol a\u00e7an d\u00f6rt durum\" class=\"wp-image-2242\" srcset=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi.avif 1672w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi-300x169.avif 300w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi-1024x576.avif 1024w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi-768x432.avif 768w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi-1536x864.avif 1536w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi-195x110.avif 195w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi-390x220.avif 390w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-sunucu-tarafi-1170x658.avif 1170w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sunucu_tarafi_baglantiyi_hangi_durumlarda_zaman_asimina_dusurur\"><\/span>Sunucu taraf\u0131 ba\u011flant\u0131y\u0131 hangi durumlarda zaman a\u015f\u0131m\u0131na d\u00fc\u015f\u00fcr\u00fcr?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sunucu taraf\u0131, ba\u011flant\u0131 iste\u011fine hi\u00e7 yan\u0131t vermedi\u011finde ya da yan\u0131t\u0131 zaman e\u015fi\u011finin \u00f6tesine ta\u015f\u0131d\u0131\u011f\u0131nda ba\u011flant\u0131 zaman a\u015f\u0131m\u0131na d\u00fc\u015fer. \u00dc\u00e7 tipik bi\u00e7imi vard\u0131r: kaynaklar\u0131n t\u00fckenmesi ve iste\u011fin kuyrukta beklemesi, g\u00fcvenlik duvar\u0131n\u0131n paketi yan\u0131ts\u0131z d\u00fc\u015f\u00fcrmesi, sunucunun bir IP adresini engellemesi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sunucunun yan\u0131t verip vermedi\u011fi hatan\u0131n t\u00fcr\u00fcnden okunur: yan\u0131t ge\u00e7 \u00fcretiliyorsa taray\u0131c\u0131 HTTP hata sayfas\u0131 g\u00f6r\u00fcr, hi\u00e7 \u00fcretilmiyorsa zaman a\u015f\u0131m\u0131 g\u00f6r\u00fcr. \u00dc\u00e7\u00fcn\u00fcn en s\u0131k g\u00f6r\u00fcleni kaynak t\u00fckenmesidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sunucu_kaynaklari_tukendiginde_baglanti_neden_yanitsiz_kalir\"><\/span>Sunucu kaynaklar\u0131 t\u00fckendi\u011finde ba\u011flant\u0131 neden yan\u0131ts\u0131z kal\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sunucu kaynaklar\u0131 t\u00fckendi\u011finde ba\u011flant\u0131 yan\u0131ts\u0131z kal\u0131r, \u00e7\u00fcnk\u00fc web sunucusu yeni iste\u011fi i\u015flemek yerine kuyru\u011fa al\u0131r. \u0130\u015flemci ve bellek doldu\u011funda \u00e7al\u0131\u015fan i\u015flem say\u0131s\u0131 s\u0131n\u0131ra dayan\u0131r, sunucu iste\u011fi bekletir, kuyruk uzad\u0131k\u00e7a bekleme taray\u0131c\u0131n\u0131n <strong>30 saniyelik<\/strong> e\u015fi\u011fini a\u015far ve istemci ba\u011flant\u0131y\u0131 d\u00fc\u015f\u00fcr\u00fcr.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E\u015fzamanl\u0131 ba\u011flant\u0131 s\u0131n\u0131r\u0131 adet cinsinden tan\u0131ml\u0131d\u0131r: 150 e\u015fzamanl\u0131 ba\u011flant\u0131 i\u00e7in ayarlanm\u0131\u015f bir sunucu 151&#8217;inci iste\u011fi yan\u0131tlamaz. Yan\u0131t s\u00fcresinin hangi katmanda uzad\u0131\u011f\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/ttfb-optimizasyon\/\">TTFB Nedir? Sunucu Yan\u0131t S\u00fcresi Nas\u0131l \u0130yile\u015ftirilir?<\/a> yaz\u0131s\u0131ndaki y\u00f6ntemle \u00f6l\u00e7\u00fcl\u00fcr. Y\u00fck\u00fc birden \u00e7ok sunucuya da\u011f\u0131tan bir katman kuyru\u011fun tek noktada birikmesini engeller; bu katman\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/load-balancer-nedir\/\">Load Balancer Nedir?<\/a> yaz\u0131s\u0131nda ele ald\u0131k. Kaynak yeterliyse s\u0131radaki \u015f\u00fcpheli g\u00fcvenlik duvar\u0131d\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Guvenlik_duvari_ve_kapali_portlar_baglantiyi_nasil_engeller\"><\/span>G\u00fcvenlik duvar\u0131 ve kapal\u0131 portlar ba\u011flant\u0131y\u0131 nas\u0131l engeller?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00fcvenlik duvar\u0131, izin verilmeyen bir porta gelen iste\u011fi yan\u0131tlamadan d\u00fc\u015f\u00fcrd\u00fc\u011f\u00fcnde ba\u011flant\u0131 zaman a\u015f\u0131m\u0131na u\u011frar. Belirleyici olan kural\u0131n paketi nas\u0131l i\u015fledi\u011fidir: paket <strong>d\u00fc\u015f\u00fcr\u00fcl\u00fcrse (DROP)<\/strong> istemciye hi\u00e7bir \u015fey d\u00f6nmez ve s\u00fcre dolana kadar beklenir; <strong>reddedilirse (REJECT)<\/strong> an\u0131nda ret yan\u0131t\u0131 d\u00f6ner ve farkl\u0131 bir hata g\u00f6r\u00fcl\u00fcr. Ayn\u0131 kapal\u0131 port, kural tipine g\u00f6re iki ayr\u0131 hata \u00fcretir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bir sitenin eri\u015filebilir olmas\u0131 i\u00e7in <strong>80<\/strong> ve <strong>443<\/strong>, y\u00f6netim eri\u015fimi i\u00e7in <strong>22<\/strong>, uzak masa\u00fcst\u00fc i\u00e7in <strong>3389<\/strong> numaral\u0131 portun a\u00e7\u0131k olmas\u0131 gerekir. Kurumsal a\u011flarda ayn\u0131 kural \u00e7\u0131k\u0131\u015f y\u00f6n\u00fcnde uygulan\u0131r: g\u00fcvenlik cihaz\u0131 \u00e7\u0131k\u0131\u015f\u0131 kapatt\u0131\u011f\u0131nda site ofiste a\u00e7\u0131lmaz, mobil veriyle a\u00e7\u0131l\u0131r. Kural yap\u0131s\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/firewall-nedir\/\">Firewall (G\u00fcvenlik Duvar\u0131) Nedir?<\/a> yaz\u0131s\u0131ndad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sunucu_bir_IP_adresini_engellediginde_ne_olur\"><\/span>Sunucu bir IP adresini engelledi\u011finde ne olur?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sunucu bir IP adresini engelledi\u011finde o adresten gelen istekler yan\u0131ts\u0131z b\u0131rak\u0131l\u0131r ve taray\u0131c\u0131 ERR_CONNECTION_TIMED_OUT verir. Engelin \u00fc\u00e7 kayna\u011f\u0131 vard\u0131r: hatal\u0131 parola denemesi sonras\u0131 devreye giren otomatik koruma, k\u0131sa s\u00fcrede g\u00f6nderilen a\u015f\u0131r\u0131 istek ve g\u00fcvenlik katman\u0131n\u0131n trafi\u011fi \u015f\u00fcpheli saymas\u0131.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En h\u0131zl\u0131 te\u015fhis \u015fudur: site mobil veriden a\u00e7\u0131l\u0131yor ama ev ya da ofis a\u011f\u0131ndan a\u00e7\u0131lm\u0131yorsa engellenen sitenin kendisi de\u011fil, sizin IP adresinizdir. \u0130stek s\u0131n\u0131r\u0131n\u0131n a\u015f\u0131lmas\u0131 normalde ayr\u0131 bir yan\u0131t koduyla bildirilir; engel sessiz d\u00fc\u015f\u00fcrmeye d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fcnde zaman a\u015f\u0131m\u0131 g\u00f6r\u00fcl\u00fcr. Sald\u0131r\u0131 kaynakl\u0131 toplu engellemeyi <a href=\"https:\/\/verimin.com.tr\/blog\/ddos-saldirisi-mudahale\/\">DDoS Sald\u0131r\u0131s\u0131 Nas\u0131l Anla\u015f\u0131l\u0131r ve Nas\u0131l Engellenir? M\u00fcdahale Rehberi<\/a> yaz\u0131s\u0131 ayr\u0131nt\u0131land\u0131r\u0131yor. Sunucu taraf\u0131 temizse s\u0131radaki alan a\u011f yolu ve kendi cihaz\u0131n\u0131zd\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ag_ve_istemci_tarafindaki_nedenler_nasil_ayristirilir\"><\/span>A\u011f ve istemci taraf\u0131ndaki nedenler nas\u0131l ayr\u0131\u015ft\u0131r\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u011f ve istemci taraf\u0131ndaki nedenler, ayn\u0131 siteye farkl\u0131 bir a\u011fdan ba\u011flanarak ayr\u0131\u015ft\u0131r\u0131l\u0131r. Site ba\u015fka bir a\u011fda a\u00e7\u0131l\u0131yorsa sorun sunucuda de\u011fildir; ya alan ad\u0131n\u0131n \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fc adreste ya da iste\u011fin \u00e7\u0131kt\u0131\u011f\u0131 yerel a\u011fdad\u0131r. \u0130lki adres \u00e7\u00f6z\u00fcmlemesiyle, ikincisi cihaz ayarlar\u0131yla ilgilidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DNS_kaydi_ve_yayilim_suresi_zaman_asimina_nasil_yol_acar\"><\/span>DNS kayd\u0131 ve yay\u0131l\u0131m s\u00fcresi zaman a\u015f\u0131m\u0131na nas\u0131l yol a\u00e7ar?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS kayd\u0131 yanl\u0131\u015f bir sunucuyu g\u00f6sterdi\u011finde taray\u0131c\u0131 var olmayan bir adrese ba\u011flanmaya \u00e7al\u0131\u015f\u0131r ve ba\u011flant\u0131 zaman a\u015f\u0131m\u0131na u\u011frar. Ayr\u0131m \u015fudur: alan ad\u0131 hi\u00e7 \u00e7\u00f6z\u00fclemiyorsa taray\u0131c\u0131 ad \u00e7\u00f6z\u00fcmleme hatas\u0131 verir; zaman a\u015f\u0131m\u0131 ise ad\u0131n \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fc, fakat o IP adresinin yan\u0131t vermedi\u011fi durumdur. E\u015fle\u015fmenin nas\u0131l kuruldu\u011funu <a href=\"https:\/\/verimin.com.tr\/blog\/dns-nedir\/\">DNS Nedir?<\/a> yaz\u0131s\u0131nda anlatt\u0131k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hata en s\u0131k sunucu ta\u015f\u0131ma sonras\u0131nda g\u00f6r\u00fcl\u00fcr. Eski adres, kayd\u0131n TTL de\u011feri kadar s\u00fcreyle \u00f6nbelleklerde kal\u0131r; bu s\u00fcre tipik olarak saatlerle \u00f6l\u00e7\u00fcl\u00fcr ve tamamlanana kadar kullan\u0131c\u0131lar\u0131n bir b\u00f6l\u00fcm\u00fc eski sunucuya gider. S\u00fcrecin izlenmesini <a href=\"https:\/\/verimin.com.tr\/blog\/dns-yayilimi\/\">DNS Yay\u0131l\u0131m\u0131 Nedir? Ne Kadar S\u00fcrer ve Nas\u0131l Kontrol Edilir?<\/a> yaz\u0131s\u0131 anlat\u0131yor; adresin o anki kar\u015f\u0131l\u0131\u011f\u0131 <code>nslookup<\/code> ve <code>dig<\/code> ile do\u011frulan\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Modem_Wi-Fi_proxy_ve_VPN_ayarlari_hatayi_nasil_tetikler\"><\/span>Modem, Wi-Fi, proxy ve VPN ayarlar\u0131 hatay\u0131 nas\u0131l tetikler?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modem, Wi-Fi, proxy ve VPN ayarlar\u0131, iste\u011fi sunucuya ula\u015ft\u0131rmad\u0131\u011f\u0131nda hatay\u0131 istemci taraf\u0131nda tetikler. Kilitlenmi\u015f modem paketleri y\u00f6nlendirmez, zay\u0131f kablosuz ba\u011flant\u0131 paket kaybeder, taray\u0131c\u0131ya tan\u0131ml\u0131 kapal\u0131 bir ara sunucu iste\u011fi bo\u015flu\u011fa g\u00f6nderir, kopmu\u015f VPN t\u00fcneli trafi\u011fi ta\u015f\u0131maz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ara sunucu ve t\u00fcnel ayar\u0131 \u00e7ift y\u00f6nl\u00fc ipucu verir: site yaln\u0131zca t\u00fcnel \u00fczerinden a\u00e7\u0131l\u0131yorsa engel a\u011f yolundad\u0131r, yaln\u0131zca t\u00fcnel kapal\u0131yken a\u00e7\u0131l\u0131yorsa sorun <a href=\"https:\/\/verimin.com.tr\/blog\/proxy-nedir-proxy-nasil-kullanilir\/\">Proxy Nedir? Proxy Nas\u0131l Kullan\u0131l\u0131r?<\/a> yaz\u0131s\u0131nda anlat\u0131lan ara sunucu ayar\u0131ndad\u0131r. Nedenler darald\u0131\u011f\u0131na g\u00f6re s\u0131ra \u00e7\u00f6z\u00fcm ad\u0131mlar\u0131na gelir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur.avif\" alt=\"Zaman a\u015f\u0131m\u0131 hatas\u0131nda taray\u0131c\u0131dan sunucuya do\u011fru izlenen d\u00f6rt ad\u0131ml\u0131 ayr\u0131\u015ft\u0131rma\" class=\"wp-image-2241\" srcset=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur.avif 1672w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur-300x169.avif 300w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur-1024x576.avif 1024w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur-768x432.avif 768w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur-1536x864.avif 1536w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur-195x110.avif 195w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur-390x220.avif 390w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-nasil-cozulur-1170x658.avif 1170w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_CONNECTION_TIMED_OUT_hatasi_nasil_cozulur\"><\/span>ERR_CONNECTION_TIMED_OUT hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ERR_CONNECTION_TIMED_OUT hatas\u0131, en basit denemeden en teknik olana ilerleyen sekiz ad\u0131mla \u00e7\u00f6z\u00fcl\u00fcr. Ad\u0131mlar\u0131 s\u0131rayla uygulay\u0131n, her ad\u0131mdan sonra siteyi yeniden deneyin:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>Siteyi ba\u015fka bir a\u011fdan a\u00e7\u0131n.<\/strong> Mobil veriye ge\u00e7in; site a\u00e7\u0131l\u0131yorsa sorun yerel a\u011f\u0131n\u0131zdad\u0131r.<\/li><li><strong>Modemi yeniden ba\u015flat\u0131n.<\/strong> Cihaz\u0131 30 saniye kapal\u0131 bekletip a\u00e7\u0131n.<\/li><li><strong>Taray\u0131c\u0131 ve DNS \u00f6nbelle\u011fini temizleyin.<\/strong> Windows&#8217;ta <code>ipconfig \/flushdns<\/code> komutunu y\u00f6netici yetkisiyle \u00e7al\u0131\u015ft\u0131r\u0131n.<\/li><li><strong>Proxy, VPN ve g\u00fcvenlik yaz\u0131l\u0131m\u0131n\u0131 kapat\u0131n.<\/strong> Ba\u011flant\u0131 d\u00fczeliyorsa ayar\u0131 d\u00fczeltip yeniden a\u00e7\u0131n.<\/li><li><strong><code>hosts<\/code> dosyas\u0131n\u0131 kontrol edin.<\/strong> Alan ad\u0131na ait elle eklenmi\u015f sat\u0131r varsa kald\u0131r\u0131n.<\/li><li><strong>Alan ad\u0131n\u0131n \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fc adresi do\u011frulay\u0131n.<\/strong> <code>nslookup alanadi.com<\/code> \u00e7\u0131kt\u0131s\u0131n\u0131 sunucunuzun IP&#8217;siyle kar\u015f\u0131la\u015ft\u0131r\u0131n.<\/li><li><strong>Sunucunun ilgili portuna eri\u015fin.<\/strong> <code>ping<\/code> ile sunucuya, <code>telnet sunucu_adresi 443<\/code> ile porta ula\u015f\u0131n.<\/li><li><strong>Sunucu taraf\u0131n\u0131 inceleyin.<\/strong> Kaynak kullan\u0131m\u0131n\u0131 ve eri\u015fim loglar\u0131n\u0131 okuyun; engellenmi\u015f adres g\u00f6r\u00fcrseniz sa\u011flay\u0131c\u0131n\u0131za IP adresinizi ve saati bildirin.<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0130lk \u00fc\u00e7 ad\u0131m sorunu istemcide \u00e7\u00f6zer, kalan be\u015fi yerini g\u00f6sterir. Kesinle\u015ftirmek i\u00e7in \u00fc\u00e7 \u00f6l\u00e7\u00fcm yeterlidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sorunun_sunucuda_mi_sizin_aginizda_mi_oldugu_nasil_anlasilir\"><\/span>Sorunun sunucuda m\u0131 sizin a\u011f\u0131n\u0131zda m\u0131 oldu\u011fu nas\u0131l anla\u015f\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sorunun sunucuda m\u0131 sizin a\u011f\u0131n\u0131zda m\u0131 oldu\u011fu, \u00fc\u00e7 \u00f6l\u00e7\u00fcm\u00fcn sonucuna bak\u0131larak anla\u015f\u0131l\u0131r. Birincisi ping \u00f6l\u00e7\u00fcm\u00fcd\u00fcr: sunucudan yan\u0131t geliyor ama site a\u00e7\u0131lm\u0131yorsa sorun servis ya da port seviyesindedir. Yan\u0131t s\u00fcresi <strong>milisaniye<\/strong>, paket kayb\u0131 <strong>y\u00fczde<\/strong> olarak okunur; kayb\u0131n y\u00fczde birka\u00e7\u0131 ge\u00e7mesi a\u011f yolunu i\u015faret eder. \u00d6l\u00e7\u00fcm\u00fcn yap\u0131l\u0131\u015f\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/ping-nedir-ping-nasil-atilir-2025\/\">Ping Nedir? Ping Nas\u0131l At\u0131l\u0131r? 2025<\/a> yaz\u0131s\u0131ndad\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0130kincisi yol takibidir: <code>tracert<\/code> \u00e7\u0131kt\u0131s\u0131nda paketin durdu\u011fu durak ara duraklardan biriyse sorun a\u011f yolundad\u0131r. \u00dc\u00e7\u00fcnc\u00fcs\u00fc port testidir: <code>telnet<\/code> ba\u011flant\u0131s\u0131 kurulam\u0131yorsa port kapal\u0131d\u0131r, kuruluyorsa engel uygulama katman\u0131ndad\u0131r. Ayn\u0131 \u00f6l\u00e7\u00fcmler taray\u0131c\u0131 d\u0131\u015f\u0131ndaki ba\u011flant\u0131larda da ge\u00e7erlidir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SSH_RDP_ve_SMTP_baglantilarinda_zaman_asimi_neden_gorulur\"><\/span>SSH, RDP ve SMTP ba\u011flant\u0131lar\u0131nda zaman a\u015f\u0131m\u0131 neden g\u00f6r\u00fcl\u00fcr?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SSH, RDP ve SMTP ba\u011flant\u0131lar\u0131nda zaman a\u015f\u0131m\u0131, taray\u0131c\u0131dakiyle ayn\u0131 nedenle \u2014 iste\u011fin yan\u0131ts\u0131z kalmas\u0131yla \u2014 g\u00f6r\u00fcl\u00fcr; de\u011fi\u015fen tek \u015fey kullan\u0131lan porttur. Uzak masa\u00fcst\u00fc <strong>3389<\/strong> numaral\u0131 portu kullan\u0131r ve bu port kapal\u0131yken oturum ekran\u0131 hi\u00e7 gelmez; protokol <a href=\"https:\/\/verimin.com.tr\/blog\/rdp-nedir\/\">RDP Nedir?<\/a> yaz\u0131s\u0131nda anlat\u0131l\u0131yor. Ayn\u0131 durumun en s\u0131k g\u00f6r\u00fcld\u00fc\u011f\u00fc iki alan SSH ve e-posta g\u00f6nderimidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SSH_baglantisi_neden_%E2%80%9Cconnection_timed_out%E2%80%9D_verir\"><\/span>SSH ba\u011flant\u0131s\u0131 neden &#8220;connection timed out&#8221; verir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SSH ba\u011flant\u0131s\u0131, sunucunun <strong>22<\/strong> numaral\u0131 portuna g\u00f6nderilen iste\u011fe yan\u0131t gelmedi\u011finde &#8220;connection timed out&#8221; verir. PuTTY kullan\u0131c\u0131lar\u0131 bu durumu <code>Network error: Connection timed out<\/code> metniyle g\u00f6r\u00fcr.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nedenler \u015funlard\u0131r: sunucunun kapal\u0131 olmas\u0131, <code>sshd<\/code> servisinin \u00e7al\u0131\u015fmamas\u0131, g\u00fcvenlik duvar\u0131n\u0131n 22 numaral\u0131 portu kapal\u0131 tutmas\u0131, portun de\u011fi\u015ftirilmesi, hatal\u0131 parola denemesi sonras\u0131 IP engeli ve kurumsal a\u011f\u0131n bu porta \u00e7\u0131k\u0131\u015f\u0131 kapatmas\u0131. Ay\u0131rt edici kontrol: sunucuya konsol \u00fczerinden eri\u015febiliyorsan\u0131z sunucu ayaktad\u0131r, sorun a\u011f ya da g\u00fcvenlik duvar\u0131 kural\u0131ndad\u0131r. Protokol\u00fcn temelleri <a href=\"https:\/\/verimin.com.tr\/blog\/ssh-nedir\/\">SSH Nedir?<\/a> yaz\u0131s\u0131ndad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"E-posta_gonderiminde_SMTP_zaman_asimi_neden_olusur\"><\/span>E-posta g\u00f6nderiminde SMTP zaman a\u015f\u0131m\u0131 neden olu\u015fur?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">E-posta g\u00f6nderiminde SMTP zaman a\u015f\u0131m\u0131, posta istemcisinin sunucunun g\u00f6nderim portuna ba\u011flanamamas\u0131yla olu\u015fur. G\u00f6nderim \u00fc\u00e7 porttan biriyle yap\u0131l\u0131r: <strong>587<\/strong> (STARTTLS), <strong>465<\/strong> (SSL) ve <strong>25<\/strong>. Bunlardan 25 numaral\u0131 port eri\u015fim sa\u011flay\u0131c\u0131lar\u0131n \u00e7o\u011funda kapal\u0131d\u0131r ve ev ba\u011flant\u0131lar\u0131nda en s\u0131k zaman a\u015f\u0131m\u0131 \u00fcretir. Di\u011fer nedenler port ile \u015fifreleme y\u00f6nteminin e\u015fle\u015fmemesi ve g\u00f6nderen adresin engellenmesidir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ay\u0131rt edici kontrol: gelen kutunuz g\u00fcncelleniyor ama g\u00f6nderim yap\u0131lam\u0131yorsa sorun g\u00f6nderim portundad\u0131r, ikisi de \u00e7al\u0131\u015fm\u0131yorsa sunucudad\u0131r. G\u00f6nderim protokol\u00fc <a href=\"https:\/\/verimin.com.tr\/blog\/smtp-nedir-smtp-ne-anlama-gelir-2025\/\">SMTP Nedir? SMPT Ne Anlama Gelir? 2025<\/a>, gelen posta taraf\u0131ndaki fark <a href=\"https:\/\/verimin.com.tr\/blog\/imap-pop3-farki\/\">IMAP ve POP3 Fark\u0131 Nedir?<\/a> yaz\u0131s\u0131nda ele al\u0131n\u0131yor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar.avif\" alt=\"Zaman a\u015f\u0131m\u0131 ile ba\u011flant\u0131 reddi hatalar\u0131n\u0131n yan\u0131t s\u00fcresi ve nedeni fark\u0131\" class=\"wp-image-2240\" srcset=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar.avif 1672w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar-300x169.avif 300w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar-1024x576.avif 1024w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar-768x432.avif 768w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar-1536x864.avif 1536w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar-195x110.avif 195w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar-390x220.avif 390w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/timed-out-diger-hatalar-1170x658.avif 1170w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_CONNECTION_TIMED_OUT_diger_baglanti_hatalarindan_nasil_ayrilir\"><\/span>ERR_CONNECTION_TIMED_OUT di\u011fer ba\u011flant\u0131 hatalar\u0131ndan nas\u0131l ayr\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ERR_CONNECTION_TIMED_OUT, di\u011fer ba\u011flant\u0131 hatalar\u0131ndan yan\u0131t\u0131n hi\u00e7 gelmemesiyle ayr\u0131l\u0131r. A\u015fa\u011f\u0131daki tablo her hatan\u0131n ne s\u00f6yledi\u011fini ve sorunun hangi tarafta arand\u0131\u011f\u0131n\u0131 g\u00f6sterir:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Hata<\/th><th>Ne s\u00f6yler<\/th><th>Sorunun taraf\u0131<\/th><\/tr><\/thead><tbody><tr><td>ERR_CONNECTION_TIMED_OUT<\/td><td>\u0130stek gitti, hi\u00e7bir yan\u0131t gelmedi<\/td><td>Sunucu, g\u00fcvenlik duvar\u0131, a\u011f yolu<\/td><\/tr><tr><td>ERR_CONNECTION_RESET<\/td><td>Kurulmu\u015f ba\u011flant\u0131 kopar\u0131ld\u0131<\/td><td>Sunucu veya ara a\u011f cihaz\u0131<\/td><\/tr><tr><td>ERR_CONNECTION_REFUSED<\/td><td>\u0130stek an\u0131nda reddedildi, port dinlenmiyor<\/td><td>Sunucu servisi<\/td><\/tr><tr><td>ERR_NAME_NOT_RESOLVED \/ DNS_PROBE_FINISHED_NXDOMAIN<\/td><td>Alan ad\u0131 \u00e7\u00f6z\u00fclemedi<\/td><td>DNS<\/td><\/tr><tr><td>502 Bad Gateway<\/td><td>Ara sunucu arka u\u00e7tan ge\u00e7ersiz yan\u0131t ald\u0131<\/td><td>Arka u\u00e7 uygulama<\/td><\/tr><tr><td>503 Service Unavailable<\/td><td>Sunucu ayakta, iste\u011fi \u015fu an kar\u015f\u0131lam\u0131yor<\/td><td>Kapasite veya bak\u0131m<\/td><\/tr><tr><td>504 Gateway Time-out<\/td><td>Ara sunucu bekledi, s\u00fcre doldu<\/td><td>Arka u\u00e7 yan\u0131t s\u00fcresi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tablodaki en \u00f6nemli fark alttaki sat\u0131rlardad\u0131r: <strong>504 sunucudan gelen bir yan\u0131tt\u0131r, ERR_CONNECTION_TIMED_OUT ise hi\u00e7 yan\u0131t gelmedi\u011fini g\u00f6sterir.<\/strong> S\u00fcre a\u015f\u0131m\u0131n\u0131n sunucu i\u00e7inde ya\u015fand\u0131\u011f\u0131 durum <a href=\"https:\/\/verimin.com.tr\/blog\/504-gateway-time-out-hatasi\/\">504 Gateway Time Out Hatas\u0131 Nedir? Nedenleri ve \u00c7\u00f6z\u00fcm\u00fc<\/a>, kapasite kaynakl\u0131 kesinti <a href=\"https:\/\/verimin.com.tr\/blog\/503-service-unavailable-hatasi-nasil-cozulur\/\">503 Service Unavailable Hatas\u0131 Nedir ve Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?<\/a>, arka u\u00e7tan bozuk yan\u0131t <a href=\"https:\/\/verimin.com.tr\/blog\/502-bad-gateway-hatasi\/\">502 Bad Gateway Hatas\u0131 Nedir? Nedenleri ve \u00c7\u00f6z\u00fcm Y\u00f6ntemleri<\/a> yaz\u0131s\u0131n\u0131n konusudur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kopar\u0131lan ba\u011flant\u0131 ile hi\u00e7 kurulamayan ba\u011flant\u0131n\u0131n fark\u0131n\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/err_connection_reset-hatasi-nasil-cozulur\/\">ERR_CONNECTION_RESET Hatas\u0131 Nedir? Neden Olur?<\/a>, ad \u00e7\u00f6z\u00fcmlemesinin ba\u015far\u0131s\u0131z oldu\u011fu durumu <a href=\"https:\/\/verimin.com.tr\/blog\/dns-probe-finished-nxdomain-hatasi-cozumu-2025\/\">Dns_probe_finished_nxdomain Hatas\u0131 \u00c7\u00f6z\u00fcm\u00fc 2025<\/a> anlat\u0131yor. \u0130stek s\u0131n\u0131r\u0131 a\u015f\u0131ld\u0131\u011f\u0131nda d\u00f6nen kod ise <a href=\"https:\/\/verimin.com.tr\/blog\/429-too-many-requests\/\">429 Too Many Requests Hatas\u0131 Nedir?<\/a> yaz\u0131s\u0131ndad\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_CONNECTION_TIMED_OUT_hakkinda_sik_sorulan_sorular\"><\/span>ERR_CONNECTION_TIMED_OUT hakk\u0131nda s\u0131k sorulan sorular<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u015fa\u011f\u0131daki d\u00f6rt soru hatan\u0131n kayna\u011f\u0131n\u0131, ge\u00e7ici \u00e7\u00f6z\u00fcmlerini ve sorumlulu\u011fu kaps\u0131yor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_CONNECTION_TIMED_OUT_hatasi_virus_kaynakli_midir\"><\/span>ERR_CONNECTION_TIMED_OUT hatas\u0131 vir\u00fcs kaynakl\u0131 m\u0131d\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hay\u0131r. ERR_CONNECTION_TIMED_OUT bir a\u011f durumudur, tek ba\u015f\u0131na zararl\u0131 yaz\u0131l\u0131m g\u00f6stergesi de\u011fildir. Yine de g\u00fcvenlik yaz\u0131l\u0131m\u0131, taray\u0131c\u0131 uzant\u0131s\u0131 veya de\u011fi\u015ftirilmi\u015f bir ara sunucu ayar\u0131 ba\u011flant\u0131y\u0131 sessizce d\u00fc\u015f\u00fcrerek ayn\u0131 hatay\u0131 \u00fcretebilir. Hata tek cihazda ve t\u00fcm sitelerde g\u00f6r\u00fcl\u00fcyorsa o cihazdaki uzant\u0131lar\u0131 kontrol etmelisiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"VPN_kullanmak_ERR_CONNECTION_TIMED_OUT_hatasini_cozer_mi\"><\/span>VPN kullanmak ERR_CONNECTION_TIMED_OUT hatas\u0131n\u0131 \u00e7\u00f6zer mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Evet, ama yaln\u0131zca engel a\u011f yolundaysa. Eri\u015fim sa\u011flay\u0131c\u0131 hedef adrese \u00e7\u0131k\u0131\u015f\u0131 kapatm\u0131\u015fsa VPN trafi\u011fi ba\u015fka bir yoldan ta\u015f\u0131r ve site a\u00e7\u0131l\u0131r. Sunucu kapal\u0131ysa, kaynaklar\u0131 t\u00fckenmi\u015fse veya do\u011frudan sizin adresinizi engelliyorsa VPN sonucu de\u011fi\u015ftirmez.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Zaman_asimi_suresi_sunucu_tarafinda_degistirilebilir_mi\"><\/span>Zaman a\u015f\u0131m\u0131 s\u00fcresi sunucu taraf\u0131nda de\u011fi\u015ftirilebilir mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Evet. Web sunucusu ve uygulama katman\u0131ndaki <code>timeout<\/code> ile <code>keepalive<\/code> de\u011ferleri saniye cinsinden ayarlan\u0131r. Ancak s\u00fcreyi uzatmak ar\u0131zay\u0131 \u00e7\u00f6zmez, gecikmeyi gizler ve kuyru\u011fu b\u00fcy\u00fct\u00fcr. S\u00fcreyi de\u011fi\u015ftirmeden \u00f6nce kaynak kullan\u0131m\u0131n\u0131 \u00f6l\u00e7meli, kesintileri <a href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/\">SLA Nedir? Hosting SLA ve Uptime Takibi Nas\u0131l Yap\u0131l\u0131r?<\/a> yaz\u0131s\u0131ndaki y\u00f6ntemle takip etmelisiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hosting_saglayicisi_bu_hatayi_sizin_yerinize_cozebilir_mi\"><\/span>Hosting sa\u011flay\u0131c\u0131s\u0131 bu hatay\u0131 sizin yerinize \u00e7\u00f6zebilir mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Evet. Hatan\u0131n yedi nedeninden d\u00f6rd\u00fc \u2014 servisin durmas\u0131, kaynaklar\u0131n t\u00fckenmesi, g\u00fcvenlik duvar\u0131 kurallar\u0131 ve IP engeli \u2014 sunucu taraf\u0131ndad\u0131r, m\u00fcdahale yetkisi sa\u011flay\u0131c\u0131dad\u0131r. <a href=\"https:\/\/verimin.com.tr\/yonetilen-sunucu\">Y\u00f6netilen Sunucular<\/a> hizmetinde servis takibi, kaynak izleme ve g\u00fcvenlik duvar\u0131 y\u00f6netimi sa\u011flay\u0131c\u0131n\u0131n sorumlulu\u011fundad\u0131r; payla\u015f\u0131ml\u0131 bar\u0131nd\u0131rmada ayn\u0131 i\u015fler <a href=\"https:\/\/verimin.com.tr\/web-hosting\">Limitsiz Web Hosting \u00c7\u00f6z\u00fcmleri<\/a> paketlerinin i\u00e7inde y\u00fcr\u00fct\u00fcl\u00fcr. Zaman a\u015f\u0131m\u0131n\u0131n tekrar etmemesinin en kal\u0131c\u0131 yolu, sitenin ger\u00e7ek y\u00fck\u00fcne yetecek sunucu kayna\u011f\u0131n\u0131 ba\u015ftan do\u011fru se\u00e7mektir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ERR_CONNECTION_TIMED_OUT, taray\u0131c\u0131n\u0131n bir siteye a\u00e7t\u0131\u011f\u0131 ba\u011flant\u0131 iste\u011finin belirlenen s\u00fcre i\u00e7inde yan\u0131ts\u0131z kalmas\u0131d\u0131r. Hata bu adla&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2229,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"_links":{"self":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/2256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=2256"}],"version-history":[{"count":1,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/2256\/revisions"}],"predecessor-version":[{"id":2265,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/2256\/revisions\/2265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media\/2229"}],"wp:attachment":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=2256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=2256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=2256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}