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Tag Archives | modsecurity

cPanel Security Hardening

Server Security is something an exception. One day or another, your server will be attacked and the integrity of your data will be at risk, that does not mean you will lose the current and existing customers in the process. cPanel provides easy access to your search and accessibility, user-friendly interface for managing your website. […]

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Drupal – Remote Code Execution (SA-CORE-2018-004 / CVE-2018-7602) nicknamed Drupalgeddon 3

This vulnerability discovered Drupal security team one weeks ago, a highly critical (20/25 NIST rank), (SA-CORE-2018-004 / CVE-2018-7602) nicknamed Drupalgeddon 3. This vulnerability continues Drupalgeddon 2 and allow an unauthenticated attacker to perform remote code execution. An exploitation method was published a few days ago for this vulnerability which allows attacker in the server execute […]

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Whitelist rule with LocationMatch

Sometimes you need disable ModSecurity rules in specific url or program, because it causes false positives. This tutorial we show how you can whitelist rule or rules with apache LocationMatch directive. LocationMatch examples WordPress admin <locationmatch “/wp-(admin|login)/”> SecRuleRemoveById 150005 SecRuleRemoveById 150006 </locationmatch> phpmyadmin <locationmatch “/phpmyadmin/”> SecRuleRemoveById 150005 SecRuleRemoveById 150006 </locationmatch> Depend your server configuration, like […]

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ModSecurity Rules for Formidable Forms / Shortcodes Ultimate vulnerability

Sucuri reported Formidable Forms / Shortcodes Ultimate Exploits In The Wild On Monday, November 20th. – Formidable Forms vulnerability – read more – Shortcodes Ultimate vulnerability – read more We have not yet seen exploitation of the vulnerability, but we also decided to make the modsecurity rule for this vulnerability. If you server have certain […]

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Log POST data with ModSecurity

Sometimes you may need to log all POST requests to debug or make ModSecurity rules to protect Web Server. For this you need that you have ModSecurity installed on server. Log POST data This simple rule logging all POST request data to ModSecurity AuditLog. SecRule REQUEST_METHOD “POST” \ “id:800000,phase:2,t:none,pass,nolog,auditlog,msg:’Malware.Expert – Log POST data'” This cause […]

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cPGuard – Essential Security Suite for cPanel Servers

cPGuard is an essential security addon for web hosting servers to help administrators to fight against malware threats and injections. As it exclusively works based on File System changes ( no more mod_security or FTP hooks dependency alone ), we can detect and scan any real-time changes on the server. In addition to malware/virus scanning, […]

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Custom ModSecurity Error message in apache

This tutorial we show that you can change the custom error message page to ModSecurity. Typically, you get 403 or 406 Response code when ModSecurity block access to website. Apache configuration In apache configuration files (Depend your OS & Configuration) includes / errordocument.conf ErrorDocument 403 /403.shtml Add extra row to 406 error page: ErrorDocument 406 […]

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ModSecurity with RBL Database

This tutorial we showing how you can use ModSecurity with RBL database’s to block access to web server. ModSecurity RBL We can use at mod_security phase 1 to optimise these rules and reduce server load, before PHP start executing requests. Here are more information how to ModSecurity processing phases. Also you can use Local DNS […]

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Disable Mod_Security on Directadmin server

If you decided to use Modsecurity on your server with DirectAdmin, there is sometimes a need to disable mod_security on server. Default custombuild installation, mod_security rules installed in: /etc/modsecurity.d/ Apache load’s ModSecurity modules and configuration in: /etc/httpd/conf/extra/httpd-modsecurity.conf Disable mod_security Easiest way disable Modsecurity is disable apache to load ModSecurity module in https-modsecurity.conf file. Just add […]

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Ban with ModSecurity HTTP or HTTPS requests 404 Response code

This tutorial we want Ban with ModSecurity IP addresses for specific time with ModSecurity that causes multiple 404 errors on the web site. Ban with ModSecurity Depend you Apache/Nginx and PHP configuration, you may use phase:1 with rule 4000 & 4002. Also you need enable SecResponseBodyAccess On to ModSecurity configuration files. SecAction “phase:2,initcol:ip=%{REMOTE_ADDR},id:’4000′,pass,nolog” SecRule RESPONSE_STATUS […]

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