Apache HTTP Server

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“undefined” Appended to URL Causing 404 Page Not Found Error

When checking Apache HTTPD or Nginx web server access log, there are plenty of 404 Page Not Found in the access or error log caused by URLs that are been appended or added with /undefined at the [...]

Apache HTTPD Address Already In Use: Make_Sock: Could Not Bind to Address 80 / 443 Error

When starting or restarting Apache HTTPD server which was previously working properly, error occurred and the Apache HTTPD service could not be started. One of the following error message or similar message is displayed and recorded in [...]

Apache HTTPD No Space Left On Device Failed to Start Error

When restarting or starting the Apache HTTPD server in Linux web server, the startup failed and the following error occurred in error log: [error] (28)No space left on device: Cannot create SSLMutex Configuration Failed The error indicates [...]

Install Intermediate CA Certificate (Chain Cert) in Apache HTTPD Server

Digital certificates that are issued by a CA (certificate authority) are verified using a chain of trust. The trust anchor for the digital certificate is the Root Certificate Authority (CA). Common and popular root CA certs are [...]

Connection Reset by Peer: mod_fcgid: ap_pass_brigade Failed in handle_request_ipc Function

When running web app coding in PHP programming language, and which is assigned to the handler fcgid-script for execution through FastCGI protocol provided by mod_fcgid, the PHP script may run a while, and then suddenly return HTTP [...]

mod_fcgid Error Reading Data from FastCGI Server – Premature End of Script Headers

When running web app coding in PHP programming language, and which is assigned to the handler fcgid-script for execution through FastCGI protocol provided by mod_fcgid, the PHP script may run a while, and then suddenly return HTTP [...]

Secure Apache HTTPD server-status Handler with Password Authentication

Apache HTTPD web server has a useful handler server-status enabled by mod_status which provides server current status reports. While Apache has several modules and directives that manage access control, but only access control based on host is [...]

Apache HTTPD AuthType Not Set 500 Internal Server Error

Apache HTTPD web server is returning internal server error code 500 when attempting to visit a website, with the following message: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete [...]

403 Forbidden Error When Enabling /server-status in Apache HTTPD Server

When enabling the Apache HTTPD server status reports generated by mod_status by adding the following block to the Apache HTTPD configuration file, namely httpd.conf or apache2.conf, the 403 Forbidden error message is shown. Directive in httpd.conf or [...]

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