{"id":1305,"date":"2020-08-14T06:20:04","date_gmt":"2020-08-14T06:20:04","guid":{"rendered":"http:\/\/ubiq.co\/tech-blog\/?p=1305"},"modified":"2025-09-12T04:37:39","modified_gmt":"2025-09-12T04:37:39","slug":"fix-500-internal-server-error-nginx","status":"publish","type":"post","link":"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/","title":{"rendered":"How to Fix 500 Internal Server Error in NGINX"},"content":{"rendered":"<p>Sometimes NGINX server may give 500 Internal Server Error due to various reasons. In this article we will look at what does 500 Internal Server Error mean in NGINX and how to fix 500 Internal Server Error in NGINX.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\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 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#What_is_500_Internal_Server_Error_in_NGINX\" >What is 500 Internal Server Error in NGINX<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#How_to_Fix_500_Internal_Server_Error_in_NGINX\" >How to Fix 500 Internal Server Error in NGINX<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#1_Hard_Refresh\" >1. Hard Refresh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#2_Examine_Server_Logs\" >2. Examine Server Logs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#3_Examine_Your_Script\" >3. Examine Your Script<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#4_Check_FileFolder_Permission\" >4. Check File\/Folder Permission<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#5_Check_redirections\" >5. Check redirections<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ubiq.co\/tech-blog\/fix-500-internal-server-error-nginx\/#6_Increase_Script_Timeout\" >6. Increase Script Timeout<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_500_Internal_Server_Error_in_NGINX\"><\/span>What is 500 Internal Server Error in NGINX<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NGINX gives 500 Internal Server Error when there is a server-side error that prevents NGINX from returning a proper response. It can be due to many different reasons such as faulty script, missing files referenced by code, inadequate file permissions, etc. NGINX is typically used as a reverse proxy server, so the most common reason for 500 Internal server is an error in one of its web servers like Apache that has encountered an issue and returned a 500 error response to NGINX, which is then returned to client browsers. There are various ways to fix internal server error in NGINX.<\/p>\n<p>Bonus Read : <a href=\"http:\/\/ubiq.co\/tech-blog\/fix-504-gateway-timeout-error-nginx\/\">How To Fix 504 Gateway Timeout Error in NGINX<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Fix_500_Internal_Server_Error_in_NGINX\"><\/span>How to Fix 500 Internal Server Error in NGINX<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here are the steps to fix 500 Internal Server Error in NGINX on localhost, CPanel, PHP, Ubuntu and other platforms.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_Hard_Refresh\"><\/span>1. Hard Refresh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sometimes you may get 500 internal server error in NGINX because your server is being restarted at that moment, or there are too many requests for web server to handle.<\/p>\n<p>So it doesn&#8217;t have enough resources to serve your request.<\/p>\n<p>In such cases, you can simply do a hard refresh of your page to force the browser to get latest web page version and fix 500 internal server error in NGINX. You can do this by pressing<\/p>\n<ul>\n<li>Windows: Ctrl + F5<\/li>\n<li>Mac: Apple + R or Cmd + R<\/li>\n<li>Linux: F5<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"2_Examine_Server_Logs\"><\/span>2. Examine Server Logs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Open your server log in a text editor to analyze the most recent requests. Every server log contains information about requested URLs and response code for each request.<\/p>\n<p>Find out which requests result in 500 internal server error. It may be that only one page, or a few pages give this error while others work fine.<\/p>\n<p>Find out which requests cause 500 internal server error. Once you have identified the problematic URLs, open a browser and request them again to confirm that is indeed the case.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Examine_Your_Script\"><\/span>3. Examine Your Script<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Next, analyze the script to process the problematic requests. Is it actually present at the right location? Are you referencing it properly, in your URL mapping\/routing file?<\/p>\n<p>If your script refers to another file, find out if that file path is correct. If you have referenced any program\/function, have you called it correctly?<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Check_FileFolder_Permission\"><\/span>4. Check File\/Folder Permission<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This can also be due to improper file\/folder permissions. Did you add\/modify any file\/folder recently?<\/p>\n<p>Typically, files need a 644 permission and folders need a 755 permission. You can use FileZilla (Windows) and Chmod (Linux) to modify file permissions.<\/p>\n<p>You can also look at the permissions of other files &amp; folders in your code and update the same for your files\/folders accordingly.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Check_redirections\"><\/span>5. Check redirections<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If you have incorrectly setup any redirections in web server, it can give 500 internal server error. For example, if you use Apache web server, make sure you have properly configured <em>mod_rewrite<\/em> module and <em>.htaccess<\/em> file.<\/p>\n<p>Also use a third-party tool to check the syntax of redirection\/URL rewrite rules in your server configuration file.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Increase_Script_Timeout\"><\/span>6. Increase Script Timeout<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You may also get 500 internal server error in NGINX if your web server (e.g. Apache) is timing out on the request. In such cases, increase your web server (not NGINX) timeout value so that it stays connected to NGINX longer, and returns a proper response. If you need to <a href=\"https:\/\/ubiq.co\/tech-blog\/increase-request-timeout-nginx\/\">increase NGINX request timeout<\/a>, then you will get &#8216;504 Gateway time out&#8217; error.<\/p>\n<p>Hopefully, the above tips will help you fix 500 internal server error in NGINX. Implementing these steps may take some time. Meanwhile, setup custom user-friendly <a href=\"https:\/\/ubiq.co\/tech-blog\/how-to-create-custom-404-page-in-nginx\/\">error pages in NGINX<\/a> so that visitors are not confused.<\/p>\n<p><a href=\"http:\/\/ubiq.co\/\">Ubiq<\/a>\u00a0makes it easy to visualize data in minutes, and monitor in real-time dashboards.\u00a0<a href=\"http:\/\/ubiq.co\/accounts\/register\">Try it<\/a>\u00a0Today!<\/p>\n<p>Also read:<br \/>\n<a href=\"https:\/\/ubiq.co\/tech-blog\/fix-504-gateway-timeout-error-nginx\/\">How to Fix 504 Gateway Timeout Error<\/a><br \/>\n<a href=\"https:\/\/ubiq.co\/tech-blog\/block-ip-address-nginx\/\">How to Block IP Address in NGINX<\/a><br \/>\n<a href=\"https:\/\/ubiq.co\/tech-blog\/how-to-whitelist-ip-in-nginx\/\">How to Whitelist IP Address in NGINX<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sometimes NGINX server may give 500 Internal Server Error due to various reasons. Here&#8217;s how to fix 500 Internal Server Error in NGINX.<\/p>\n","protected":false},"author":1,"featured_media":1311,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9],"tags":[108],"class_list":["post-1305","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nginx","tag-internal-server"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Fix 500 Internal Server Error in NGINX - Ubiq BI<\/title>\n<meta name=\"description\" content=\"Sometimes NGINX server may give 500 Internal Server Error due to various reasons. 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