{"id":1905,"date":"2026-08-06T21:33:35","date_gmt":"2026-08-06T18:33:35","guid":{"rendered":"https:\/\/verimin.com.tr\/blog\/?p=1905"},"modified":"2026-08-12T16:55:25","modified_gmt":"2026-08-12T13:55:25","slug":"lets-encrypt-ssl-kurulumu","status":"publish","type":"post","link":"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/","title":{"rendered":"Let&#8217;s Encrypt Nedir? cPanel ve Plesk&#8217;te SSL Kurulumu ve Yenileme"},"content":{"rendered":"<p>Let&#8217;s Encrypt, <a href=\"https:\/\/verimin.com.tr\/alan-adi\" data-internallinksmanager029f6b8e52c=\"1\" title=\"domain\">alan ad\u0131<\/a> do\u011frulamas\u0131 yaparak 90 g\u00fcn ge\u00e7erli \u00fccretsiz <a href=\"https:\/\/verimin.com.tr\/ssl-sertifikalari\" data-internallinksmanager029f6b8e52c=\"13\" title=\"ssl sertifikas\u0131\">SSL sertifikas\u0131<\/a> veren k\u00e2r amac\u0131 g\u00fctmeyen sertifika otoritesidir. Sertifika talebi, do\u011frulama ve kurulum i\u015flemleri ACME protokol\u00fc \u00fczerinden otomatik y\u00fcr\u00fct\u00fcl\u00fcr. Otomasyon sayesinde sertifika y\u00f6netimi elle takip gerektirmeyen bir s\u00fcrece d\u00f6n\u00fc\u015f\u00fcr.<\/p>\r\n\r\n<p>Bu rehberde Let&#8217;s Encrypt sertifikas\u0131n\u0131n nas\u0131l do\u011frulama yapt\u0131\u011f\u0131n\u0131, cPanel ve Plesk panelleri \u00fczerinden kurulum ad\u0131mlar\u0131n\u0131 ve panelsiz sunucularda Certbot ile kurulumu a\u00e7\u0131kl\u0131yoruz. Ard\u0131ndan sertifikan\u0131n nas\u0131l yenilendi\u011fini, kurulum s\u0131ras\u0131nda kar\u015f\u0131la\u015f\u0131lan hatalar\u0131 ve do\u011frulama sorununun \u00e7\u00f6z\u00fcm\u00fcn\u00fc ele al\u0131yoruz. Son b\u00f6l\u00fcmde Let&#8217;s Encrypt sertifikas\u0131n\u0131n ticari sertifikalarla kar\u015f\u0131la\u015ft\u0131rmas\u0131n\u0131 yap\u0131yoruz.<\/p>\r\n\r\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\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Ne_Ise_Yarar\" title=\"Let&#8217;s Encrypt Ne \u0130\u015fe Yarar?\">Let&#8217;s Encrypt Ne \u0130\u015fe Yarar?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Sertifikasi_Nasil_Dogrulama_Yapar\" title=\"Let&#8217;s Encrypt Sertifikas\u0131 Nas\u0131l Do\u011frulama Yapar?\">Let&#8217;s Encrypt Sertifikas\u0131 Nas\u0131l Do\u011frulama Yapar?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#cPanel_Uzerinden_Lets_Encrypt_SSL_Nasil_Kurulur\" title=\"cPanel \u00dczerinden Let&#8217;s Encrypt SSL Nas\u0131l Kurulur?\">cPanel \u00dczerinden Let&#8217;s Encrypt SSL Nas\u0131l Kurulur?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#AutoSSL_ile_Lets_Encrypt_Arasindaki_Iliski_Nedir\" title=\"AutoSSL ile Let&#8217;s Encrypt Aras\u0131ndaki \u0130li\u015fki Nedir?\">AutoSSL ile Let&#8217;s Encrypt Aras\u0131ndaki \u0130li\u015fki Nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Plesk_Uzerinden_Lets_Encrypt_SSL_Nasil_Kurulur\" title=\"Plesk \u00dczerinden Let&#8217;s Encrypt SSL Nas\u0131l Kurulur?\">Plesk \u00dczerinden Let&#8217;s Encrypt SSL Nas\u0131l Kurulur?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Sunucuda_Certbot_ile_Kurulum_Nasil_Yapilir\" title=\"Sunucuda Certbot ile Kurulum Nas\u0131l Yap\u0131l\u0131r?\">Sunucuda Certbot ile Kurulum Nas\u0131l Yap\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Sertifikasi_Nasil_Yenilenir\" title=\"Let&#8217;s Encrypt Sertifikas\u0131 Nas\u0131l Yenilenir?\">Let&#8217;s Encrypt Sertifikas\u0131 Nas\u0131l Yenilenir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Kurulumunda_Hangi_Hatalar_Gorulur\" title=\"Let&#8217;s Encrypt Kurulumunda Hangi Hatalar G\u00f6r\u00fcl\u00fcr?\">Let&#8217;s Encrypt Kurulumunda Hangi Hatalar G\u00f6r\u00fcl\u00fcr?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Dogrulama_Hatasi_validation_status_400_Nasil_Cozulur\" title=\"Do\u011frulama Hatas\u0131 (validation status 400) Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?\">Do\u011frulama Hatas\u0131 (validation status 400) Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Cloudflare_Arkasinda_Lets_Encrypt_Kurulumu_Nasil_Yapilir\" title=\"Cloudflare Arkas\u0131nda Let&#8217;s Encrypt Kurulumu Nas\u0131l Yap\u0131l\u0131r?\">Cloudflare Arkas\u0131nda Let&#8217;s Encrypt Kurulumu Nas\u0131l Yap\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Sertifikasi_Ticari_Sertifikalarin_Yerini_Tutar_mi\" title=\"Let&#8217;s Encrypt Sertifikas\u0131 Ticari Sertifikalar\u0131n Yerini Tutar m\u0131?\">Let&#8217;s Encrypt Sertifikas\u0131 Ticari Sertifikalar\u0131n Yerini Tutar m\u0131?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Sertifikasi_Gercekten_Ucretsiz_mi\" title=\"Let&#8217;s Encrypt Sertifikas\u0131 Ger\u00e7ekten \u00dccretsiz mi?\">Let&#8217;s Encrypt Sertifikas\u0131 Ger\u00e7ekten \u00dccretsiz mi?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Wildcard_Sertifika_Verir_mi\" title=\"Let&#8217;s Encrypt Wildcard Sertifika Verir mi?\">Let&#8217;s Encrypt Wildcard Sertifika Verir mi?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Sertifika_Suresi_Dolarsa_Site_Kapanir_mi\" title=\"Sertifika S\u00fcresi Dolarsa Site Kapan\u0131r m\u0131?\">Sertifika S\u00fcresi Dolarsa Site Kapan\u0131r m\u0131?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/verimin.com.tr\/blog\/lets-encrypt-ssl-kurulumu\/#Lets_Encrypt_Paylasimli_Hostingde_Kullanilir_mi\" title=\"Let&#8217;s Encrypt Payla\u015f\u0131ml\u0131 Hostingde Kullan\u0131l\u0131r m\u0131?\">Let&#8217;s Encrypt Payla\u015f\u0131ml\u0131 Hostingde Kullan\u0131l\u0131r m\u0131?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Ne_Ise_Yarar\"><\/span>Let&#8217;s Encrypt Ne \u0130\u015fe Yarar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p><strong>Let&#8217;s Encrypt, alan ad\u0131 do\u011frulamas\u0131 yaparak 90 g\u00fcn ge\u00e7erli \u00fccretsiz SSL sertifikas\u0131 veren k\u00e2r amac\u0131 g\u00fctmeyen sertifika otoritesidir.<\/strong> Sertifika, taray\u0131c\u0131 ile sunucu aras\u0131ndaki trafi\u011fi \u015fifreler ve adres \u00e7ubu\u011fundaki g\u00fcvenlik g\u00f6stergesini a\u00e7ar. ACME protokol\u00fc sayesinde talep, do\u011frulama, kurulum ve yenileme ad\u0131mlar\u0131 insan m\u00fcdahalesi olmadan tamamlan\u0131r.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/acme-dogrulama-yontemleri.avif?v=20260808\" alt=\"HTTP-01, DNS-01 ve TLS-ALPN-01 do\u011frulama y\u00f6ntemleri\" \/><\/figure>\r\n\r\n\r\n<h2><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Sertifikasi_Nasil_Dogrulama_Yapar\"><\/span>Let&#8217;s Encrypt Sertifikas\u0131 Nas\u0131l Do\u011frulama Yapar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p>Let&#8217;s Encrypt, sertifika vermeden \u00f6nce alan ad\u0131n\u0131n ba\u015fvuran ki\u015fiye ait oldu\u011funu do\u011frular. \u00dc\u00e7 do\u011frulama y\u00f6ntemi a\u015fa\u011f\u0131daki tabloda kar\u015f\u0131la\u015ft\u0131r\u0131lm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<table>\r\n<thead>\r\n<tr><th>Y\u00f6ntem<\/th><th>Nas\u0131l \u00e7al\u0131\u015f\u0131r<\/th><th>Ne zaman kullan\u0131l\u0131r<\/th><\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr><td>HTTP-01<\/td><td>Sunucudaki .well-known dizinine dosya yerle\u015ftirir ve d\u0131\u015far\u0131dan okur<\/td><td>Standart tek alan ad\u0131 sertifikalar\u0131nda<\/td><\/tr>\r\n<tr><td>DNS-01<\/td><td>Alan ad\u0131na TXT kayd\u0131 ekletir ve kayd\u0131 sorgular<\/td><td>Wildcard sertifikalarda ve web sunucusuz sistemlerde<\/td><\/tr>\r\n<tr><td>TLS-ALPN-01<\/td><td>443 numaral\u0131 ba\u011flant\u0131 noktas\u0131 \u00fczerinden \u015fifreli el s\u0131k\u0131\u015fmayla do\u011frular<\/td><td>80 numaral\u0131 ba\u011flant\u0131 noktas\u0131 kapal\u0131 sistemlerde<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n<p><strong>Wildcard sertifika yaln\u0131zca DNS-01 y\u00f6ntemiyle al\u0131n\u0131r.<\/strong> T\u00fcm alt alan adlar\u0131n\u0131 kapsayan bir sertifika talep edildi\u011finde HTTP-01 y\u00f6ntemi kabul edilmez; alan ad\u0131n\u0131n DNS b\u00f6lgesine TXT kayd\u0131 eklenmesi zorunludur. Ad \u00e7\u00f6z\u00fcmleme kay\u0131tlar\u0131n\u0131n yap\u0131s\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/dns-nedir\/\">DNS nedir<\/a> rehberinde a\u00e7\u0131klanm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<h2><span class=\"ez-toc-section\" id=\"cPanel_Uzerinden_Lets_Encrypt_SSL_Nasil_Kurulur\"><\/span>cPanel \u00dczerinden Let&#8217;s Encrypt SSL Nas\u0131l Kurulur?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p><strong>cPanel \u00fczerinde Let&#8217;s Encrypt sertifikas\u0131 AutoSSL \u00f6zelli\u011fiyle kurulur ve kurulum tek d\u00fc\u011fmeyle tamamlan\u0131r.<\/strong> Ad\u0131mlar a\u015fa\u011f\u0131da s\u0131ralanm\u0131\u015ft\u0131r:<\/p>\r\n\r\n<ol>\r\n<li>cPanel hesab\u0131n\u0131za giri\u015f yap\u0131n.<\/li>\r\n<li>G\u00fcvenlik b\u00f6l\u00fcm\u00fcndeki SSL\/TLS Status sayfas\u0131n\u0131 a\u00e7\u0131n.<\/li>\r\n<li>Listeden sertifika kurulacak alan ad\u0131n\u0131 ve alt alan adlar\u0131n\u0131 i\u015faretleyin.<\/li>\r\n<li>Run AutoSSL d\u00fc\u011fmesine t\u0131klay\u0131n.<\/li>\r\n<li>\u0130\u015flemin tamamlanmas\u0131n\u0131 bekleyin. S\u00fcre alan ad\u0131 say\u0131s\u0131na g\u00f6re 1 ile 5 dakika aras\u0131nda de\u011fi\u015fir.<\/li>\r\n<li>Listedeki alan ad\u0131n\u0131n yan\u0131nda ye\u015fil kilit simgesinin belirdi\u011fini do\u011frulay\u0131n.<\/li>\r\n<li>Sertifika kurulduktan sonra HTTPS y\u00f6nlendirmesini etkinle\u015ftirin.<\/li>\r\n<\/ol>\r\n\r\n<p>HTTPS y\u00f6nlendirmesi i\u00e7in <code>.htaccess<\/code> dosyas\u0131na a\u015fa\u011f\u0131daki kural eklenir:<\/p>\r\n\r\n<pre><code>RewriteEngine On\r\nRewriteCond %{HTTPS} off\r\nRewriteRule ^(.*)$ https:\/\/%{HTTP_HOST}%{REQUEST_URI} [L,R=301]<\/code><\/pre>\r\n\r\n<p>Kurulum sonras\u0131 sitenin t\u00fcm sayfalar\u0131n\u0131n HTTPS \u00fczerinden a\u00e7\u0131ld\u0131\u011f\u0131 kontrol edilir. Panel ara\u00e7lar\u0131 ve g\u00fcvenlik b\u00f6l\u00fcm\u00fc <a href=\"https:\/\/verimin.com.tr\/blog\/cpanel-hosting-nedir\/\">cPanel hosting<\/a> rehberinde anlat\u0131lm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<h3><span class=\"ez-toc-section\" id=\"AutoSSL_ile_Lets_Encrypt_Arasindaki_Iliski_Nedir\"><\/span>AutoSSL ile Let&#8217;s Encrypt Aras\u0131ndaki \u0130li\u015fki Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n\r\n<p><strong>AutoSSL bir aray\u00fcz, Let&#8217;s Encrypt ise sertifikay\u0131 veren otoritedir.<\/strong> \u0130ki kavram s\u0131k\u00e7a ayn\u0131 \u015fey san\u0131l\u0131r. AutoSSL, cPanel&#8217;in sertifika talebini otomatikle\u015ftiren bile\u015fenidir; sertifikay\u0131 kendisi \u00fcretmez. Sunucu y\u00f6neticisi AutoSSL&#8217;in hangi otoriteyi kullanaca\u011f\u0131n\u0131 se\u00e7er ve se\u00e7enekler aras\u0131nda Let&#8217;s Encrypt ile cPanel&#8217;in kendi orta\u011f\u0131 bulunur.<\/p>\r\n\r\n<p>Ayr\u0131m\u0131n pratik sonucu \u015fudur: AutoSSL \u00e7al\u0131\u015ft\u0131\u011f\u0131 halde sertifika kurulmuyorsa sorun aray\u00fczde de\u011fil, se\u00e7ili otoritenin do\u011frulama s\u00fcrecindedir.<\/p>\r\n\r\n<h2><span class=\"ez-toc-section\" id=\"Plesk_Uzerinden_Lets_Encrypt_SSL_Nasil_Kurulur\"><\/span>Plesk \u00dczerinden Let&#8217;s Encrypt SSL Nas\u0131l Kurulur?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p><strong>Plesk \u00fczerinde Let&#8217;s Encrypt sertifikas\u0131 SSL It! eklentisiyle kurulur.<\/strong> Ad\u0131mlar a\u015fa\u011f\u0131da s\u0131ralanm\u0131\u015ft\u0131r:<\/p>\r\n\r\n<ol>\r\n<li>Plesk paneline giri\u015f yap\u0131n ve Websites and Domains b\u00f6l\u00fcm\u00fcn\u00fc a\u00e7\u0131n.<\/li>\r\n<li>Sertifika kurulacak alan ad\u0131n\u0131 se\u00e7in ve SSL\/TLS Certificates ba\u011flant\u0131s\u0131na t\u0131klay\u0131n.<\/li>\r\n<li>Install a free basic certificate provided by Let&#8217;s Encrypt ba\u011flant\u0131s\u0131n\u0131 se\u00e7in.<\/li>\r\n<li>Bildirim adresi olarak ge\u00e7erli bir e-posta adresi girin.<\/li>\r\n<li>Alan ad\u0131 ve www alt alan ad\u0131 kutular\u0131n\u0131 i\u015faretleyin.<\/li>\r\n<li>Wildcard sertifika gerekiyorsa ilgili kutuyu i\u015faretleyin ve DNS do\u011frulamas\u0131n\u0131 tamamlay\u0131n.<\/li>\r\n<li>Get it free d\u00fc\u011fmesine t\u0131klay\u0131n.<\/li>\r\n<li>Keep websites secured se\u00e7ene\u011fini a\u00e7arak otomatik yenilemeyi etkinle\u015ftirin.<\/li>\r\n<\/ol>\r\n\r\n<p>Otomatik yenileme se\u00e7ene\u011fi a\u00e7\u0131k b\u0131rak\u0131ld\u0131\u011f\u0131nda panel sertifika s\u00fcresini takip eder ve s\u00fcre dolmadan yeniler. Panelin di\u011fer \u00f6zellikleri <a href=\"https:\/\/verimin.com.tr\/blog\/plesk-nedir\/\">Plesk nedir<\/a> rehberinde anlat\u0131lm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<h2><span class=\"ez-toc-section\" id=\"Sunucuda_Certbot_ile_Kurulum_Nasil_Yapilir\"><\/span>Sunucuda Certbot ile Kurulum Nas\u0131l Yap\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p><strong>Panel kurulu olmayan sunucularda Let&#8217;s Encrypt sertifikas\u0131 Certbot arac\u0131yla kurulur.<\/strong> Ad\u0131mlar a\u015fa\u011f\u0131da s\u0131ralanm\u0131\u015ft\u0131r:<\/p>\r\n\r\n<ol>\r\n<li>Sunucuya SSH ile ba\u011flan\u0131n ve k\u00f6k yetkisine ge\u00e7in.<\/li>\r\n<li>Certbot arac\u0131n\u0131 kurun: <code>apt install certbot python3-certbot-nginx<\/code><\/li>\r\n<li>Sertifikay\u0131 talep edin: <code>certbot --nginx -d alanadi.com -d www.alanadi.com<\/code><\/li>\r\n<li>Bildirim e-posta adresini girin ve kullan\u0131m ko\u015fullar\u0131n\u0131 onaylay\u0131n.<\/li>\r\n<li>HTTPS y\u00f6nlendirmesi soruldu\u011funda y\u00f6nlendirme se\u00e7ene\u011fini i\u015faretleyin.<\/li>\r\n<li>Kurulumu do\u011frulay\u0131n: <code>certbot certificates<\/code><\/li>\r\n<\/ol>\r\n\r\n<p>Apache kullan\u0131lan sunucularda komut <code>certbot --apache<\/code> bi\u00e7iminde \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r. Sertifika dosyalar\u0131 <code>\/etc\/letsencrypt\/live\/alanadi.com\/<\/code> dizinine yerle\u015ftirilir. Windows sunucularda ve bulut sa\u011flay\u0131c\u0131 g\u00f6r\u00fcnt\u00fclerinde ayn\u0131 i\u015flem sa\u011flay\u0131c\u0131n\u0131n kendi arac\u0131yla y\u00fcr\u00fct\u00fcl\u00fcr. Kurulum i\u00e7in gereken k\u00f6k eri\u015fimi <a href=\"https:\/\/verimin.com.tr\/sanal-sunucu\">sanal sunucu<\/a> paketlerimizde standart olarak sunulur.<\/p>\r\n\r\n<h2><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Sertifikasi_Nasil_Yenilenir\"><\/span>Let&#8217;s Encrypt Sertifikas\u0131 Nas\u0131l Yenilenir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p><strong>Let&#8217;s Encrypt sertifikalar\u0131 90 g\u00fcn ge\u00e7erlidir ve 60. g\u00fcnden itibaren yenilenir.<\/strong> Otoritenin belirledi\u011fi bu aral\u0131k, yenileme ba\u015far\u0131s\u0131z oldu\u011funda d\u00fczeltme i\u00e7in 30 g\u00fcnl\u00fck bir tampon b\u0131rak\u0131r.<\/p>\r\n\r\n<p>Panel kullan\u0131lan sistemlerde yenileme otomatik yap\u0131l\u0131r ve ayr\u0131 bir i\u015flem gerekmez. Certbot kurulu sunucularda yenileme g\u00f6revi kurulum s\u0131ras\u0131nda otomatik tan\u0131mlan\u0131r. G\u00f6revin \u00e7al\u0131\u015ft\u0131\u011f\u0131 a\u015fa\u011f\u0131daki komutlarla do\u011frulan\u0131r:<\/p>\r\n\r\n<pre><code>systemctl list-timers | grep certbot\r\ncertbot renew --dry-run<\/code><\/pre>\r\n\r\n<p>\u0130lk komut zamanlanm\u0131\u015f g\u00f6revin tan\u0131ml\u0131 oldu\u011funu, ikinci komut yenileme s\u00fcrecinin hatas\u0131z \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 g\u00f6sterir. Deneme \u00e7al\u0131\u015ft\u0131rmas\u0131 ger\u00e7ek yenileme yapmaz ve h\u0131z s\u0131n\u0131r\u0131n\u0131 t\u00fcketmez. Zamanlanm\u0131\u015f g\u00f6rev tan\u0131mlama y\u00f6ntemleri <a href=\"https:\/\/verimin.com.tr\/blog\/cron-job-nedir\/\">cron job<\/a> rehberinde anlat\u0131lm\u0131\u015ft\u0131r.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/08\/lets-encrypt-hatalari.avif?v=20260808\" alt=\"Let&#x27;s Encrypt kurulum hatalar\u0131 ve \u00e7\u00f6z\u00fcm yollar\u0131\" \/><\/figure>\r\n\r\n\r\n<h2><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Kurulumunda_Hangi_Hatalar_Gorulur\"><\/span>Let&#8217;s Encrypt Kurulumunda Hangi Hatalar G\u00f6r\u00fcl\u00fcr?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p>Kurulum s\u0131ras\u0131nda kar\u015f\u0131la\u015f\u0131lan hatalar, nedenleri ve \u00e7\u00f6z\u00fcmleri a\u015fa\u011f\u0131daki tabloda verilmi\u015ftir.<\/p>\r\n\r\n<table>\r\n<thead>\r\n<tr><th>Hata<\/th><th>Nedeni<\/th><th>\u00c7\u00f6z\u00fcm<\/th><\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr><td>validation status 400<\/td><td>Do\u011frulama dosyas\u0131na d\u0131\u015far\u0131dan eri\u015filemiyor<\/td><td>.well-known dizininin eri\u015fimini a\u00e7\u0131n<\/td><\/tr>\r\n<tr><td>DNS problem: NXDOMAIN<\/td><td>Alan ad\u0131 \u00e7\u00f6z\u00fcmlenmiyor<\/td><td>A kayd\u0131n\u0131 sunucu IP adresine y\u00f6nlendirin<\/td><\/tr>\r\n<tr><td>Timeout during connect<\/td><td>80 numaral\u0131 ba\u011flant\u0131 noktas\u0131 kapal\u0131<\/td><td>G\u00fcvenlik duvar\u0131nda noktay\u0131 a\u00e7\u0131n<\/td><\/tr>\r\n<tr><td>too many certificates already issued<\/td><td>H\u0131z s\u0131n\u0131r\u0131 a\u015f\u0131ld\u0131<\/td><td>Bir hafta bekleyin veya alt alan ad\u0131 kullan\u0131n<\/td><\/tr>\r\n<tr><td>challenge failed<\/td><td>Y\u00f6nlendirme do\u011frulamay\u0131 engelliyor<\/td><td>HTTPS y\u00f6nlendirmesini ge\u00e7ici kapat\u0131n<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n<p>H\u0131z s\u0131n\u0131r\u0131 en s\u0131k kar\u015f\u0131la\u015f\u0131lan engellerden biridir. Let&#8217;s Encrypt bir alan ad\u0131 i\u00e7in haftada 50 sertifika s\u0131n\u0131r\u0131 uygular ve ayn\u0131 sertifika seti i\u00e7in haftada 5 tekrar hakk\u0131 tan\u0131r. Denemeler s\u0131ras\u0131nda bu s\u0131n\u0131ra ula\u015f\u0131lmamas\u0131 i\u00e7in <code>--dry-run<\/code> parametresi kullan\u0131l\u0131r.<\/p>\r\n\r\n<h3><span class=\"ez-toc-section\" id=\"Dogrulama_Hatasi_validation_status_400_Nasil_Cozulur\"><\/span>Do\u011frulama Hatas\u0131 (validation status 400) Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n\r\n<p><strong>Do\u011frulama hatas\u0131, Let&#8217;s Encrypt sunucular\u0131n\u0131n .well-known dizinindeki dosyaya eri\u015fememesinden kaynaklan\u0131r.<\/strong> \u00c7\u00f6z\u00fcm ad\u0131mlar\u0131 a\u015fa\u011f\u0131da s\u0131ralanm\u0131\u015ft\u0131r:<\/p>\r\n\r\n<ol>\r\n<li>Site k\u00f6k dizininde test dosyas\u0131 olu\u015fturun: <code>mkdir -p .well-known\/acme-challenge && echo test > .well-known\/acme-challenge\/test.txt<\/code><\/li>\r\n<li>Dosyay\u0131 d\u0131\u015far\u0131dan \u00e7a\u011f\u0131r\u0131n: <code>curl http:\/\/alanadi.com\/.well-known\/acme-challenge\/test.txt<\/code><\/li>\r\n<li>\u00c7\u0131kt\u0131 test de\u011filse eri\u015fim engellidir. Engelin kayna\u011f\u0131n\u0131 s\u0131rayla kontrol edin.<\/li>\r\n<li>Sunucu yap\u0131land\u0131rmas\u0131nda <code>.well-known<\/code> dizinini y\u00f6nlendirmelerden muaf tutun.<\/li>\r\n<li>G\u00fcvenlik duvar\u0131 ve bot koruma kurallar\u0131na dizin i\u00e7in istisna ekleyin.<\/li>\r\n<li>Testi tekrarlay\u0131n ve sertifika talebini yeniden ba\u015flat\u0131n.<\/li>\r\n<\/ol>\r\n\r\n<p>Nginx taraf\u0131nda dizini muaf tutmak i\u00e7in kullan\u0131lan tan\u0131m a\u015fa\u011f\u0131dad\u0131r:<\/p>\r\n\r\n<pre><code>location ^~ \/.well-known\/acme-challenge\/ {\r\n    allow all;\r\n    root \/var\/www\/html;\r\n}<\/code><\/pre>\r\n\r\n<p>Dizine eri\u015fim g\u00fcvenlik kural\u0131yla engellendi\u011finde sunucu 403 kodu d\u00f6nd\u00fcr\u00fcr ve do\u011frulama ba\u015far\u0131s\u0131z olur. Eri\u015fim reddi kaynakl\u0131 sorunlar\u0131n \u00e7\u00f6z\u00fcm\u00fc <a href=\"https:\/\/verimin.com.tr\/blog\/403-forbidden-hatasi\/\">403 Forbidden hatas\u0131<\/a> rehberinde ele al\u0131nm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<h3><span class=\"ez-toc-section\" id=\"Cloudflare_Arkasinda_Lets_Encrypt_Kurulumu_Nasil_Yapilir\"><\/span>Cloudflare Arkas\u0131nda Let&#8217;s Encrypt Kurulumu Nas\u0131l Yap\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n\r\n<p><strong>Cloudflare arkas\u0131ndaki sunucularda do\u011frulama trafi\u011fi ara katmandan ge\u00e7ti\u011fi i\u00e7in kurulum s\u0131ras\u0131nda ge\u00e7ici d\u00fczenleme gerekir.<\/strong> Ad\u0131mlar a\u015fa\u011f\u0131da s\u0131ralanm\u0131\u015ft\u0131r:<\/p>\r\n\r\n<ol>\r\n<li>Cloudflare panelinde DNS b\u00f6l\u00fcm\u00fcn\u00fc a\u00e7\u0131n ve alan ad\u0131n\u0131n bulut simgesini gri konuma al\u0131n.<\/li>\r\n<li>Ad \u00e7\u00f6z\u00fcmlemesinin yay\u0131lmas\u0131n\u0131 bekleyin. S\u00fcre 5 dakikay\u0131 ge\u00e7mez.<\/li>\r\n<li>Sertifika kurulumunu tamamlay\u0131n.<\/li>\r\n<li>Bulut simgesini turuncu konuma geri al\u0131n.<\/li>\r\n<li>SSL\/TLS b\u00f6l\u00fcm\u00fcnde \u015fifreleme modunu Full (strict) olarak ayarlay\u0131n.<\/li>\r\n<\/ol>\r\n\r\n<p>\u015eifreleme modunun Flexible b\u0131rak\u0131lmas\u0131 ziyaret\u00e7i ile Cloudflare aras\u0131n\u0131 \u015fifreler, Cloudflare ile sunucu aras\u0131n\u0131 a\u00e7\u0131k b\u0131rak\u0131r ve y\u00f6nlendirme d\u00f6ng\u00fcs\u00fc \u00fcretir. A\u011f\u0131n \u00e7al\u0131\u015fma mant\u0131\u011f\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/cloudflare-nedir-cloudflare-nasil-kullanilir-2025\/\">Cloudflare<\/a> rehberinde anlat\u0131lm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<h2><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Sertifikasi_Ticari_Sertifikalarin_Yerini_Tutar_mi\"><\/span>Let&#8217;s Encrypt Sertifikas\u0131 Ticari Sertifikalar\u0131n Yerini Tutar m\u0131?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n<p>Let&#8217;s Encrypt sertifikas\u0131 ile ticari sertifikalar\u0131n kar\u015f\u0131la\u015ft\u0131rmas\u0131 a\u015fa\u011f\u0131daki tabloda verilmi\u015ftir.<\/p>\r\n\r\n<table>\r\n<thead>\r\n<tr><th>\u00d6l\u00e7\u00fct<\/th><th>Let&#8217;s Encrypt<\/th><th>Ticari DV<\/th><th>OV ve EV<\/th><\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr><td>Do\u011frulama derinli\u011fi<\/td><td>Alan ad\u0131<\/td><td>Alan ad\u0131<\/td><td>Kurum kimli\u011fi<\/td><\/tr>\r\n<tr><td>Ge\u00e7erlilik s\u00fcresi<\/td><td>90 g\u00fcn<\/td><td>1 y\u0131l<\/td><td>1 y\u0131l<\/td><\/tr>\r\n<tr><td>Mali garanti<\/td><td>Yok<\/td><td>Var<\/td><td>Y\u00fcksek tutarl\u0131<\/td><\/tr>\r\n<tr><td>Kurum ad\u0131 g\u00f6sterimi<\/td><td>Yok<\/td><td>Yok<\/td><td>Var<\/td><\/tr>\r\n<tr><td>Wildcard deste\u011fi<\/td><td>Var<\/td><td>Var<\/td><td>Var<\/td><\/tr>\r\n<tr><td>Teknik destek<\/td><td>Topluluk<\/td><td>Sa\u011flay\u0131c\u0131 deste\u011fi<\/td><td>\u00d6ncelikli destek<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n<p><strong>\u015eifreleme g\u00fcc\u00fc \u00fc\u00e7 se\u00e7enekte de ayn\u0131d\u0131r; fark do\u011frulama derinli\u011finde ve garantidedir.<\/strong> Ticari sertifikaya ge\u00e7i\u015f \u00fc\u00e7 durumda gerekir: \u00f6deme i\u015flemi yapan <a href=\"https:\/\/verimin.com.tr\/eticaret-hosting\" data-internallinksmanager029f6b8e52c=\"5\" title=\"e-ticaret hosting\">e-ticaret<\/a> siteleri, kurum kimli\u011finin adres \u00e7ubu\u011funda g\u00f6r\u00fcnmesi gereken finans ve kamu projeleri, mali garanti talep eden kurumsal s\u00f6zle\u015fmeler. Sertifika t\u00fcrleri ve fiyatlar\u0131 i\u00e7in <a href=\"https:\/\/verimin.com.tr\/ssl-sertifikalari\">SSL sertifikalar\u0131<\/a> sayfam\u0131z\u0131 inceleyebilirsiniz.<\/p>\r\n\r\n<h3><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Sertifikasi_Gercekten_Ucretsiz_mi\"><\/span>Let&#8217;s Encrypt Sertifikas\u0131 Ger\u00e7ekten \u00dccretsiz mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n\r\n<p><strong>Evet, Let&#8217;s Encrypt sertifikalar\u0131 tamamen \u00fccretsizdir.<\/strong> \u00dccretsiz sertifikalar\u0131n kapsam\u0131, s\u0131n\u0131rlar\u0131 ve hangi projeler i\u00e7in yeterli oldu\u011fu <a href=\"https:\/\/verimin.com.tr\/blog\/ucretsiz-ssl-nedir\/\">\u00fccretsiz SSL<\/a> rehberinde ayr\u0131nt\u0131l\u0131 olarak ele al\u0131nm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<h3><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Wildcard_Sertifika_Verir_mi\"><\/span>Let&#8217;s Encrypt Wildcard Sertifika Verir mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n\r\n<p><strong>Evet, Let&#8217;s Encrypt wildcard sertifika verir.<\/strong> Wildcard sertifika t\u00fcm alt alan adlar\u0131n\u0131 tek sertifikayla kapsar. Talep i\u00e7in DNS-01 do\u011frulamas\u0131 zorunludur; alan ad\u0131n\u0131n DNS b\u00f6lgesine TXT kayd\u0131 eklenir ve do\u011frulama bu kay\u0131t \u00fczerinden yap\u0131l\u0131r. Kapsam ve kullan\u0131m senaryolar\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/wildcard-ssl\/\">Wildcard SSL<\/a> rehberinde anlat\u0131lm\u0131\u015ft\u0131r.<\/p>\r\n\r\n<h3><span class=\"ez-toc-section\" id=\"Sertifika_Suresi_Dolarsa_Site_Kapanir_mi\"><\/span>Sertifika S\u00fcresi Dolarsa Site Kapan\u0131r m\u0131?<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n\r\n<p><strong>Hay\u0131r, sertifika s\u00fcresi doldu\u011funda site kapanmaz.<\/strong> Site a\u00e7\u0131lmaya devam eder, ancak taray\u0131c\u0131 ba\u011flant\u0131dan \u00f6nce tam ekran bir g\u00fcvenlik uyar\u0131s\u0131 g\u00f6sterir. Uyar\u0131 ziyaret\u00e7ilerin b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcn\u00fc siteye girmeden geri d\u00f6nd\u00fcr\u00fcr ve arama motoru sonu\u00e7lar\u0131ndaki t\u0131klamalar kayba d\u00f6n\u00fc\u015f\u00fcr. Otomatik yenilemenin do\u011frulanmas\u0131 bu nedenle kurulum kadar \u00f6nemlidir.<\/p>\r\n\r\n<h3><span class=\"ez-toc-section\" id=\"Lets_Encrypt_Paylasimli_Hostingde_Kullanilir_mi\"><\/span>Let&#8217;s Encrypt Payla\u015f\u0131ml\u0131 Hostingde Kullan\u0131l\u0131r m\u0131?<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n\r\n<p><strong>Evet, Let&#8217;s Encrypt sertifikalar\u0131 payla\u015f\u0131ml\u0131 bar\u0131nd\u0131rma paketlerinde kullan\u0131l\u0131r.<\/strong> Sertifika kurulumu panel \u00fczerinden yap\u0131l\u0131r ve k\u00f6k eri\u015fimi gerektirmez. Verimin olarak sundu\u011fumuz t\u00fcm bar\u0131nd\u0131rma paketlerinde \u00fccretsiz SSL sertifikas\u0131n\u0131 hizmete dahil ediyoruz ve otomatik yenilemeyi sunucu taraf\u0131nda yap\u0131land\u0131r\u0131yoruz. Paket se\u00e7enekleri i\u00e7in <a href=\"https:\/\/verimin.com.tr\/web-hosting\">web hosting<\/a> sayfam\u0131z\u0131 inceleyebilirsiniz.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Let&#8217;s Encrypt, alan ad\u0131 do\u011frulamas\u0131 yaparak 90 g\u00fcn ge\u00e7erli \u00fccretsiz SSL sertifikas\u0131 veren k\u00e2r amac\u0131&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1929,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1905","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\/1905","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=1905"}],"version-history":[{"count":4,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1905\/revisions"}],"predecessor-version":[{"id":2007,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1905\/revisions\/2007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media\/1929"}],"wp:attachment":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=1905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=1905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=1905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}