Webserver

Apache/nginx incorrect behavior and everything else related to Web.

Unable to start Apache: You must load mod_request to enable the mod_auth_form
Website hosted in Plesk shows error 502 in the browser: AH01071: Got error 'Primary script unknown'
Domain logs are not updated in Plesk for Window Server
Cannot access Wordpress website hosted in Plesk for Linux: 403 Forbidden (ModSecurity Action)
Error on the Home page in Plesk: unknown directive "passenger_enabled"
Nginx cannot bind to IPv6 interface on Plesk with error: Cannot assign requested address
Roundcube webmail is not able to work when LiteSpeed is installed in Plesk: Unsupported PHP version. Required PHP >= 7.3
Plesk-hosted website provides Composer error: Composer detected issues in your platform: Your Composer dependencies require a PHP version ">= 8.0.2".
NGINX SSL reverse proxy error: recv() failed (104: Connection reset by peer) while reading response header from upstream
Unable to start nginx service on a Plesk server: nginx.service: start operation timed out. Terminating.
How to pass requests from a Plesk hosted domain to the application listening on a local port?
What are the differences between MPM Event and MPM Prefork in Plesk?
Unable to access any domain options in Plesk UI when additional FTP users are created: /var/www/vhosts/example.com/httpdocs is out of webspace
Application pools are crashing on Plesk for Windows Server: The Module DLL C:\path\to\module_name.dll failed to load. The data is the error.
Apache service goes down frequently on a Plesk for Linux Server: AH00484: server reached MaxRequestWorkers setting
How to set the cgi_bin location for a domain in Plesk?
How to check what SSL/TLS protocols are enabled in Apache configuration
A website hosted in Plesk fails to load: ModSecurity: Response body too large
How to change the upload tmp directory for a domain in Plesk
How to enable leverage browser caching for nginx?
How to set default index type for a domain in Plesk Obsidian
Apache cannot be started if ModSecurity is enabled: failed to load IPs from: /etc/asl/whitelist
Website example.com shows webmail content instead of website content on Plesk server
PHP-FPM service fails to start on Plesk: An another FPM instance seems to already listen on php-fpm.sock
Does Plesk support BROTLI compression for Apache or Nginx web server?
Unable to start Apache on Plesk server: (98)Address already in use: AH00072: make_sock: could not bind to address [::]:80
Unable to start NGINX: [emerg] unknown directive "passenger_enabled"
Subdomains on Plesk server showing Server Default page after creation
Error displayed in Plesk Home page: nginx: [emerg] cannot load certificate key "/usr/local/psa/var/certificates/scfNvuszu"
Apache fails to start during upgrade/installation: Invalid command 'php_value', perhaps misspelled or defined by a module not included in the server configuration