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"
- 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
- 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
- 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
- All websites/webmails on Plesk for Linux server show error 502 every hour or even constantly
- CVE-2021-23017: Nginx
- Apache fails to start on a Plesk server: SSL routines:SSL_CTX_set_cipher_list:no cipher match
- Error appears in Plesk: Syntax error on line 38 of example.com_webmail.conf: DocumentRoot takes one argument, Root directory of the document tree
- How to install an SSL certificate from 3rd party certificate authorities for a domain in Plesk?
- Enabling or updating Comodo rule set for ModSecurity on Plesk for Linux server fails: modsecurity_ctl failed: Failed to download comodo_free rule set
- [BUG] Unable to start or restart Apache after uninstalling Roundcube in Plesk: Could not open configuration file roundcube.htaccess.inc No such file or directory
- Unable to start Apache on Plesk server: no executable /bin/systemctl_pp_pp
- Unable to upload file to the website hosted in Plesk when Imunify is present on the server: Request body no files data length is larger than the configured limit
- Random pages of a website hosted in Plesk fail to load: Size of a request header field exceeds server limit
- Brotli is not being used to compress content even if the Plesk version is already 18.0.33 and higer and Gzip is being used instead
- How to disable ModSecurity for a domain in Plesk?
- Unable to reconfigure domain on Plesk server: Wrong variable to subsitute: webAppFirewallSettings
- How to purchase and install RapidSSL/GeoTrust True BusinessID OV certificate in Plesk
- Does plesk support php8?
- Nginx configuration files become broken when set values to 0: invalid max_size value/invalid time value
- Nginx configuration check fails: the size 5242880 of shared memory zone "SSL" conflicts with already declared size 1048576
- Cannot access Plesk-hosted website on iOS or Mac devices: The operation couldn’t be completed. Protocol error