Webserver
Apache/nginx incorrect behavior and everything else related to Web.
- Websites on PHP-FPM are unavailable or loading slowly: "server reached max_children setting" OR "pool seems busy"
- Plesk website is slow and CPU and memory usage by Apache or PHP processes is high in Plesk
- PHP scripts fails with the following error: Unable to load dynamic library sodium.so : cannot open shared object file: No such file or directory
- Apache can not be started on a Plesk server: ModSecurity: Problems loading external resources
- After updating Plesk Obsidian to 18.0.43, the "plesk repair web" utility reports an error: There is a disabled required Apache module: php7.4
- How to disable ModSecurity server-wide on Plesk for Windows?
- How to serve the content of a different website in Plesk for Linux?
- CVE-2022-22965: vulnerability in Spring Framework for Java applications running on Tomcat
- Access logs are not rotated on Plesk server: Rotation of files with multiple hard links is not allowed
- How to configure varnish cache for a domain in Plesk?
- A website hosted in Plesk for Windows Server is not accessible: the ionCube PHP Loader needs to be installed
- Does Plesk support HTTP/3 (QUIC) protocol?
- Unable to repair web server configuration: Can not reload proxy server
- All sites are down in Plesk: Syntax error on line 31 of /etc/httpd/conf.d/php.conf: Invalid command 'php_value'
- CVE-2021-21703: Vulnerability in PHP-FPM
- Website on Plesk server suddenly started to show 500 error: AH10292: Invalid proxy UDS filename
- Error in Plesk repair tool: Non existing domain example.com has obsolete PHP-FPM configuration file /etc/php-fpm.d/example.com
- Websites hosted in Plesk are down after an update or reboot of the server: ERR_CONNECTION_REFUSED
- Websites on PHP 7.4 and PHP 8.0 are inaccessible on CloudLinux OS: 504 Gateway Time-out
- Unable to create emoji domains in Plesk with specific emojis: Failed to perform IDN conversion from ASCII name
- How to change the maximum attachment size for webmail on the Linux Plesk server?
- plesk repair installation command produces an error: File not found: example.com.conf
- A website hosted in Plesk is not accessible with HSTS enabled: Potential Security Issue Your connection is not private
- How to install ASP.NET 4.7.2/4.8 on Windows Server with Plesk
- Unable to repair missed domain in Plesk: aspnetcfg failed: Can't get virtual dir site example.com doesn't exist
- WordPress multisite hosted on Plesk shows error: Error establishing a database connection
- Websites can not be accessed with error 502 Bad Gateway periodically with enabled fail2ban
- Apache fails to start on a Plesk server: SSL routines:SSL_CTX_set_cipher_list:no cipher match
- Incorrect SSL certificate is detected for the domain hosted on a Plesk server with LiteSpeed
- How to install an SSL certificate from 3rd party certificate authorities for a domain in Plesk?