Webserver

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

nginx shows warning when using custom templates: [warn] the "listen ... http2" directive is deprecated, use the "http2" directive instead
Domain forwarding does not work but does not throw any errors
Apache fails to start: undefined symbol: ap_set_content_type_ex
Plesk with LiteSpeed poor performance: Reached max children process limit, please increase LSAPI_CHILDREN
.NET Core environment variables do not persist on a Plesk server
Website fails to load with 502/503: (13)Permission denied: AH02454: FCGI: attempt to connect to Unix domain socket failed
mod_fcgid: stderr: Connection refused appears repeatedly within the Apache error log for a website on a Plesk server
How to check if http3 is working on the website?
nginx warning after installing Plesk update 61: [warn] the "listen ... http2" directive is deprecated
Nginx in Plesk cannot be started: Not starting nginx as it is disabled in Plesk.
Temporary inaccessibility for some websites: AH01071: Got error 'Primary script unknown'
Disabled Options in 'Bindings...' menu are reset when the certificate is changed in Plesk for Windows
Unable to install Plesk license: cURL cannot communicate with license server
The error_reporting setting is disabled in PHP settings, but PHP notices or warnings still appear in domain's error_log
Apache is failing to start in Plesk: Error: New configuration files for the Apache web server were not created due to the errors in configuration templates: AH00112: Warning: DocumentRoot [/usr/share/plesk-service.localdomain] does not exist
Login to Plesk from WHMCS redirects to Plesk login page instead of logging in.
Cannot change the ASP.NET version for the domain in Plesk: Plesk shows domains instead of the page with version switcher
How to set up nginx to log real client IP address when the Plesk server is behind an external proxy server
Unable to start Apache on Plesk server: Cannot load modules/mod_<name>.so
Incoming requests from real visitor IPs are logged as 127.0.0.1 when Apache is listening on localhost
How to manage PHP session temporary files cleanup in Plesk?
How to configure custom error pages for all domains on Plesk server?
Web server configuration fails in Plesk: Refusing to create symlink
The nginx web server fails to start on a Plesk server: "nginx: [emerg] bind() to 203.0.113.2:443 failed (99: Cannot assign requested address)"
Enhancing Security with Apache Localhost Mode in Plesk 18.0.56 (PPP-43250)
How can I make nginx proxy requests to Apache for a Plesk domain?
Website becomes unavailable after switching to FPM application served by Apache
Error during the reconfiguration of the Apache files in Plesk: Invalid command 'RequestHeader', perhaps misspelled or defined by a module not included in the server configuration
Apache is failing to start on a Plesk server: "Cannot load /usr/lib/apache2/modules/libphp7.4.so into server"
Website on Plesk shows: cURL error (77): Problem with the SSL CA cert