{"id":507,"date":"2026-10-15T07:00:00","date_gmt":"2026-10-15T07:00:00","guid":{"rendered":"https:\/\/www.domain.com.tr\/blog\/?p=507"},"modified":"2026-10-14T17:04:04","modified_gmt":"2026-10-14T17:04:04","slug":"500-internal-server-error-nedir","status":"publish","type":"post","link":"https:\/\/www.domain.com.tr\/blog\/sunucu-dns\/500-internal-server-error-nedir\/","title":{"rendered":"500 Internal Server Error Nedir? HTTP 500 Hatas\u0131 Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Bir siteyi a\u00e7maya \u00e7al\u0131\u015f\u0131rken &#8220;500 Internal Server Error&#8221;, &#8220;HTTP ERROR 500&#8221; veya &#8220;Bu sayfa \u00e7al\u0131\u015fm\u0131yor&#8221; uyar\u0131s\u0131yla kar\u015f\u0131la\u015ft\u0131ysan\u0131z, sorun sizin bilgisayar\u0131n\u0131zda de\u011fil, sitenin sunucusundad\u0131r. Bu yaz\u0131da 500 hatas\u0131n\u0131n ne demek oldu\u011funu, en s\u0131k nedenlerini ve site sahibi olarak ad\u0131m ad\u0131m nas\u0131l \u00e7\u00f6zebilece\u011finizi anlat\u0131yoruz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">500 Hatas\u0131 Ne Demek?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP 500 (Internal Server Error, T\u00fcrk\u00e7esiyle &#8220;i\u00e7 sunucu hatas\u0131&#8221;), sunucunun iste\u011fi i\u015flerken beklenmeyen bir sorunla kar\u015f\u0131la\u015ft\u0131\u011f\u0131n\u0131 ve sayfay\u0131 olu\u015fturamad\u0131\u011f\u0131n\u0131 g\u00f6steren genel bir hata kodudur. &#8220;Genel&#8221; olmas\u0131 \u00f6nemlidir: sunucu sorunun ne oldu\u011funu tam olarak ziyaret\u00e7iye s\u00f6ylemez. Ger\u00e7ek nedeni bulmak i\u00e7in sunucunun hata kay\u0131tlar\u0131na bakmak gerekir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Taray\u0131c\u0131ya ve sunucuya g\u00f6re hata farkl\u0131 g\u00f6r\u00fcnebilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>500 Internal Server Error<\/li>\n\n<li>HTTP ERROR 500 \/ HTTP Hatas\u0131 500<\/li>\n\n<li>Bu sayfa \u00e7al\u0131\u015fm\u0131yor \u2013 \u015fu anda iste\u011fi i\u015fleyemiyor<\/li>\n\n<li>500 Dahili Sunucu Hatas\u0131<\/li>\n\n<li>Beyaz (bo\u015f) sayfa \u2013 \u00f6zellikle WordPress sitelerinde<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ziyaret\u00e7iyseniz Ne Yapmal\u0131s\u0131n\u0131z?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">500 hatas\u0131 site taraf\u0131nda oldu\u011fu i\u00e7in ziyaret\u00e7inin yapabilece\u011fi \u015feyler s\u0131n\u0131rl\u0131d\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Birka\u00e7 saniye bekleyip sayfay\u0131 yenileyin (F5); ge\u00e7ici bir yo\u011funluk olabilir.<\/li>\n\n<li>Taray\u0131c\u0131 \u00f6nbelle\u011fini ve \u00e7erezleri temizleyip tekrar deneyin.<\/li>\n\n<li>Sorun devam ederse daha sonra tekrar ziyaret edin veya site sahibine haber verin.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">500 Hatas\u0131n\u0131n En S\u0131k Nedenleri<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hatal\u0131 .htaccess dosyas\u0131:<\/strong> Yanl\u0131\u015f yaz\u0131lm\u0131\u015f tek bir y\u00f6nlendirme kural\u0131 bile t\u00fcm sitenin 500 hatas\u0131 vermesine neden olabilir.<\/li>\n\n<li><strong>Eklenti veya tema hatas\u0131:<\/strong> G\u00fcncelleme sonras\u0131 uyumsuz hale gelen bir WordPress eklentisi veya temas\u0131 en yayg\u0131n nedenlerdendir.<\/li>\n\n<li><strong>PHP bellek limitinin a\u015f\u0131lmas\u0131:<\/strong> A\u011f\u0131r eklentiler veya b\u00fcy\u00fck i\u015flemler ayr\u0131lan belle\u011fi a\u015fabilir.<\/li>\n\n<li><strong>Yanl\u0131\u015f dosya ve klas\u00f6r izinleri:<\/strong> Gere\u011finden geni\u015f veya dar izinler sunucunun dosyay\u0131 \u00e7al\u0131\u015ft\u0131rmas\u0131n\u0131 engelleyebilir.<\/li>\n\n<li><strong>PHP s\u00fcr\u00fcm\u00fc uyumsuzlu\u011fu:<\/strong> Eski bir eklenti yeni PHP s\u00fcr\u00fcm\u00fcyle, yeni bir eklenti eski PHP s\u00fcr\u00fcm\u00fcyle \u00e7al\u0131\u015fmayabilir.<\/li>\n\n<li><strong>Zaman a\u015f\u0131m\u0131:<\/strong> Uzun s\u00fcren bir i\u015flem sunucunun s\u00fcre s\u0131n\u0131r\u0131n\u0131 a\u015fabilir.<\/li>\n\n<li><strong>Bozuk veya eksik dosyalar:<\/strong> Yar\u0131m kalan bir g\u00fcncelleme veya hatal\u0131 y\u00fckleme \u00e7ekirdek dosyalar\u0131 bozabilir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">500 Hatas\u0131 Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr? (Site Sahipleri \u0130\u00e7in)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u015fa\u011f\u0131daki ad\u0131mlar\u0131 s\u0131rayla uygulay\u0131n. De\u011fi\u015fiklik yapmadan \u00f6nce sitenizin yede\u011fini alman\u0131z\u0131 \u00f6neririz; yedekleme i\u00e7in <a href=\"https:\/\/www.domain.com.tr\/blog\/hosting\/web-sitesi-yedekleme-rehberi\/\">Web Sitesi Yedekleme Rehberi<\/a> yaz\u0131m\u0131za g\u00f6z atabilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Hata kay\u0131tlar\u0131n\u0131 (error log) kontrol edin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ger\u00e7ek nedeni g\u00f6steren en h\u0131zl\u0131 yol budur. cPanel&#8217;de &#8220;\u00d6l\u00e7\u00fcmler&#8221; alt\u0131ndaki &#8220;Hatalar&#8221; b\u00f6l\u00fcm\u00fcnden veya sitenizin ana klas\u00f6r\u00fcndeki error_log dosyas\u0131ndan son hata mesajlar\u0131na bak\u0131n. Mesajda genellikle sorunlu dosyan\u0131n ad\u0131 ve sat\u0131r numaras\u0131 yazar. cPanel b\u00f6l\u00fcmlerini <a href=\"https:\/\/www.domain.com.tr\/blog\/hosting\/cpanel-kullanim-rehberi\/\">cPanel Nedir? cPanel Kullan\u0131m Rehberi<\/a> yaz\u0131m\u0131zda anlat\u0131yoruz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. .htaccess dosyas\u0131n\u0131 kontrol edin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dosya Y\u00f6neticisi&#8217;nde .htaccess dosyas\u0131n\u0131n ad\u0131n\u0131 ge\u00e7ici olarak .htaccess_eski yap\u0131n ve siteyi yenileyin. Site a\u00e7\u0131l\u0131yorsa sorun bu dosyadad\u0131r. WordPress kullan\u0131yorsan\u0131z Ayarlar &gt; Kal\u0131c\u0131 Ba\u011flant\u0131lar sayfas\u0131nda &#8220;Kaydet&#8221; butonuna basarak temiz bir .htaccess dosyas\u0131 olu\u015fturabilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Eklentileri devre d\u0131\u015f\u0131 b\u0131rak\u0131n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00f6netim paneline girebiliyorsan\u0131z eklentileri tek tek devre d\u0131\u015f\u0131 b\u0131rak\u0131n. Panele giremiyorsan\u0131z Dosya Y\u00f6neticisi&#8217;nde wp-content\/plugins klas\u00f6r\u00fcn\u00fcn ad\u0131n\u0131 plugins_eski yap\u0131n; t\u00fcm eklentiler devre d\u0131\u015f\u0131 kal\u0131r. Site a\u00e7\u0131l\u0131rsa klas\u00f6r\u00fc eski ad\u0131na \u00e7evirip eklentileri tek tek a\u00e7arak sorunlu olan\u0131 bulun.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Varsay\u0131lan temaya ge\u00e7in<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sorun eklentilerde de\u011filse aktif teman\u0131n klas\u00f6r ad\u0131n\u0131 de\u011fi\u015ftirerek WordPress&#8217;in varsay\u0131lan temaya ge\u00e7mesini sa\u011flay\u0131n. Site a\u00e7\u0131l\u0131yorsa sorun teman\u0131zdad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. PHP bellek limitini art\u0131r\u0131n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">wp-config.php dosyas\u0131nda &#8220;That&#8217;s all, stop editing!&#8221; yazan sat\u0131r\u0131n (T\u00fcrk\u00e7e kurulumlarda &#8220;Hepsi bu kadar&#8221; ile ba\u015flar) hemen \u00fczerine \u015fu sat\u0131r\u0131 ekleyin:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>define( 'WP_MEMORY_LIMIT', '256M' );<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">cPanel kullan\u0131yorsan\u0131z PHP ayarlar\u0131ndan memory_limit de\u011ferini de kontrol edebilirsiniz. Hosting paketinizin s\u0131n\u0131r\u0131 bu de\u011ferin alt\u0131ndaysa paketinizi y\u00fckseltmeniz gerekebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Dosya izinlerini d\u00fczeltin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7o\u011fu sunucuda do\u011fru izinler \u015f\u00f6yledir: klas\u00f6rler i\u00e7in <strong>755<\/strong>, dosyalar i\u00e7in <strong>644<\/strong>. wp-config.php gibi hassas dosyalar i\u00e7in 600 veya 640 kullan\u0131labilir. 777 izni hem g\u00fcvenlik a\u00e7\u0131\u011f\u0131 olu\u015fturur hem de baz\u0131 sunucularda 500 hatas\u0131na yol a\u00e7ar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. PHP s\u00fcr\u00fcm\u00fcn\u00fc kontrol edin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hata bir PHP s\u00fcr\u00fcm\u00fc de\u011fi\u015fikli\u011finden hemen sonra ba\u015flad\u0131ysa cPanel&#8217;deki PHP s\u00fcr\u00fcm\u00fc se\u00e7icisinden \u00f6nceki s\u00fcr\u00fcme d\u00f6n\u00fcn. Ard\u0131ndan eklenti ve temalar\u0131n\u0131z\u0131 g\u00fcncel PHP s\u00fcr\u00fcm\u00fcyle uyumlu hale getirip tekrar y\u00fckseltin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. Hata ay\u0131klama modunu a\u00e7\u0131n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress&#8217;te hatan\u0131n ayr\u0131nt\u0131s\u0131n\u0131 g\u00f6rmek i\u00e7in wp-config.php dosyas\u0131nda \u015fu sat\u0131rlar\u0131 kullanabilirsiniz. Hatalar wp-content\/debug.log dosyas\u0131na yaz\u0131l\u0131r ve ziyaret\u00e7ilere g\u00f6sterilmez. Sorunu \u00e7\u00f6zd\u00fckten sonra bu ayar\u0131 tekrar false yap\u0131n.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>define( 'WP_DEBUG', true );\ndefine( 'WP_DEBUG_LOG', true );\ndefine( 'WP_DEBUG_DISPLAY', false );<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">9. Son de\u011fi\u015fikli\u011fi geri al\u0131n veya yedekten d\u00f6n\u00fcn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hata bir g\u00fcncelleme, eklenti kurulumu veya dosya de\u011fi\u015fikli\u011finden hemen sonra ba\u015flad\u0131ysa o de\u011fi\u015fikli\u011fi geri almak \u00e7o\u011fu zaman en h\u0131zl\u0131 \u00e7\u00f6z\u00fcmd\u00fcr. Hi\u00e7bir ad\u0131m i\u015fe yaramazsa sorunsuz \u00e7al\u0131\u015fan son yede\u011fe geri d\u00f6nebilir veya hosting firman\u0131z\u0131n teknik deste\u011finden yard\u0131m isteyebilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&#8220;Request failed with status code 500&#8221; Ne Demek?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bu mesaj genellikle bir web uygulamas\u0131n\u0131n arka planda bir API&#8217;ye g\u00f6nderdi\u011fi iste\u011fin sunucu taraf\u0131nda 500 hatas\u0131yla sonu\u00e7land\u0131\u011f\u0131n\u0131 g\u00f6sterir. Yani hata, iste\u011fi g\u00f6nderen uygulamada de\u011fil, iste\u011fi kar\u015f\u0131layan sunucudad\u0131r. \u00c7\u00f6z\u00fcm i\u00e7in yine o sunucunun hata kay\u0131tlar\u0131na bak\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">500, 502, 503 ve 504 Hatalar\u0131 Aras\u0131ndaki Fark<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Kod<\/th><th>Ad\u0131<\/th><th>Anlam\u0131<\/th><\/tr><\/thead><tbody><tr><td>500<\/td><td>Internal Server Error<\/td><td>Sunucu iste\u011fi i\u015flerken genel, beklenmeyen bir hata olu\u015ftu.<\/td><\/tr><tr><td>502<\/td><td>Bad Gateway<\/td><td>Ara sunucu (proxy, CDN) arkadaki sunucudan ge\u00e7ersiz yan\u0131t ald\u0131.<\/td><\/tr><tr><td>503<\/td><td>Service Unavailable<\/td><td>Sunucu ge\u00e7ici olarak hizmet veremiyor; bak\u0131m veya a\u015f\u0131r\u0131 y\u00fck olabilir.<\/td><\/tr><tr><td>504<\/td><td>Gateway Timeout<\/td><td>Ara sunucu, arkadaki sunucudan zaman\u0131nda yan\u0131t alamad\u0131.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">500 Hatas\u0131 SEO&#8217;yu Etkiler mi?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Birka\u00e7 dakikal\u0131k veya birka\u00e7 saatlik bir 500 hatas\u0131 s\u0131ralaman\u0131za kal\u0131c\u0131 zarar vermez; Google sayfay\u0131 daha sonra tekrar tarar. Ancak hata g\u00fcnlerce s\u00fcrerse Google sitenizi daha az taramaya ba\u015flar ve hata veren sayfalar zamanla dizinden \u00e7\u0131kabilir. Bu y\u00fczden 500 hatalar\u0131n\u0131 h\u0131zl\u0131ca \u00e7\u00f6zmek ve Google Search Console&#8217;daki tarama hatalar\u0131n\u0131 d\u00fczenli kontrol etmek \u00f6nemlidir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">500 Hatas\u0131n\u0131 \u00d6nlemek \u0130\u00e7in \u00d6neriler<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eklenti, tema ve WordPress g\u00fcncellemelerinden \u00f6nce yedek al\u0131n.<\/li>\n\n<li>Yaln\u0131zca g\u00fcvenilir ve g\u00fcncel eklentiler kullan\u0131n; kullanmad\u0131klar\u0131n\u0131z\u0131 silin.<\/li>\n\n<li>B\u00fcy\u00fck de\u011fi\u015fiklikleri \u00f6nce bir test ortam\u0131nda deneyin.<\/li>\n\n<li>Sitenizin trafi\u011fine uygun kaynak sunan bir <a href=\"https:\/\/www.domain.com.tr\/hosting\/wordpress-hosting\">hosting paketi<\/a> kullan\u0131n.<\/li>\n\n<li>G\u00fcvenlik \u00f6nlemlerini ihmal etmeyin; ayr\u0131nt\u0131lar i\u00e7in <a href=\"https:\/\/www.domain.com.tr\/blog\/wordpress\/wordpress-guvenlik-rehberi\/\">WordPress G\u00fcvenlik Rehberi<\/a> yaz\u0131m\u0131za bakabilirsiniz.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">S\u0131k Sorulan Sorular<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">500 hatas\u0131 benim internetimden mi kaynaklan\u0131yor?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hay\u0131r. 500 hatas\u0131 sunucu taraf\u0131nda olu\u015fur. \u0130nternet ba\u011flant\u0131n\u0131zda sorun olsayd\u0131 site hi\u00e7 a\u00e7\u0131lmaz ve taray\u0131c\u0131 farkl\u0131 bir ba\u011flant\u0131 hatas\u0131 g\u00f6sterirdi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">500 hatas\u0131 kendili\u011finden d\u00fczelir mi?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ge\u00e7ici bir yo\u011funluktan kaynaklan\u0131yorsa k\u0131sa s\u00fcrede d\u00fczelebilir. Ancak hatal\u0131 bir dosya veya eklentiden kaynaklan\u0131yorsa sorun giderilene kadar devam eder.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sadece y\u00f6netim panelinde 500 hatas\u0131 al\u0131yorum, neden?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00f6netim paneli \u00f6n y\u00fcze g\u00f6re daha fazla bellek ve eklenti kodu kullan\u0131r. Bu durumda genellikle PHP bellek limiti veya yaln\u0131zca panelde \u00e7al\u0131\u015fan bir eklenti sorunludur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00d6nbellek eklentisi 500 hatas\u0131na neden olur mu?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Agresif CSS\/JS birle\u015ftirme gibi ayarlar baz\u0131 temalarla \u00e7ak\u0131\u015f\u0131p hataya yol a\u00e7abilir. Do\u011fru ayarlar i\u00e7in <a href=\"https:\/\/www.domain.com.tr\/blog\/sunucu-dns\/litespeed-cache-ayarlari\/\">LiteSpeed Cache Ayarlar\u0131<\/a> yaz\u0131m\u0131za g\u00f6z atabilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0130lgili Rehberler<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.domain.com.tr\/blog\/hosting\/cpanel-kullanim-rehberi\/\">cPanel Nedir? cPanel Kullan\u0131m Rehberi<\/a><\/li>\n\n<li><a href=\"https:\/\/www.domain.com.tr\/blog\/hosting\/web-sitesi-yedekleme-rehberi\/\">Web Sitesi Yedekleme Rehberi<\/a><\/li>\n\n<li><a href=\"https:\/\/www.domain.com.tr\/blog\/wordpress\/wordpress-guvenlik-rehberi\/\">WordPress G\u00fcvenlik Rehberi<\/a><\/li>\n\n<li><a href=\"https:\/\/www.domain.com.tr\/knowledgebase\/31\/WordPress-Guvenlik-Rehberi--Hack-Temizleme-ve-Brute-Force-Korumas%C4%B1.html\">WordPress G\u00fcvenlik: Hack Temizleme ve Brute Force Korumas\u0131<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>500 Internal Server Error, sunucu taraf\u0131nda beklenmeyen bir sorun oldu\u011funu g\u00f6steren genel bir hatad\u0131r. Nedenlerini ve ad\u0131m ad\u0131m \u00e7\u00f6z\u00fcm yollar\u0131n\u0131 anlat\u0131yoruz.<\/p>\n","protected":false},"author":1,"featured_media":569,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-507","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sunucu-dns"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>500 Internal Server Error Nedir? 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