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Knowledge Base

How to manage Web Application Firewall (ModSecurity) on Plesk server via CLI?

 
apacheclifirewalllinuxplesk cli

Question

How to manage Web Application Firewall (ModSecurity) on Plesk server via CLI?

Answer

Web Application Firewall (ModSecurity) management is available within the Plesk CLI utilities server_pref and
subscription
.

For example:

  • In order to check ModSecurity status:

    # plesk bin server_pref --show-web-app-firewall

  • To turn ModSecurity on - specify the required rule set and other WAF settings - in this example, the OWASP ModSecurity Core Rule Set (CRS) on Apache is enabled with the weekly rule set update period and "Fast" redefined set of values:

    # plesk bin server_pref --update-web-app-firewall -waf-rule-engine on -waf-web-server apache -waf-rule-set crs -waf-rule-set-update-period weekly -waf-config-preset fast

  • To turn on the web application firewall settings for the website example.com:

    # plesk bin subscription --update-web-app-firewall example.com -waf-rule-engine on 

  • To manually update ModSecurity ruleset:

    # plesk daily UpdateModSecurityRuleSet

Refer to the following documentation articles for additional details:

Plesk Documentation and Help Portal - Reference for Command-Line Utilities, Plesk for Linux - Using command line utilities - server_pref
Plesk Documentation and Help Portal - Reference for Command-Line Utilities, Plesk for Linux - Using command line utilities - subscription

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