Browsing: Security

How to Install Fail2ban on Debian Squeeze

Fail2ban is an important software for system administrator. It scans log files (e.g. /var/log/auth.log) and bans IPs that show malicious signs, something like too many password failures and looking for exploits. To install fail2ban, execute this command: Open the configuration file to activate some rules: Find following line to set email destination for notification: Find…

How to Fix Suhosin Error ‘ALERT – configured GET variable value length limit exceeded…’ on Debian Squeeze

PHP Suhosin is an open source patch for PHP5 to harden the servers security. I found this Suhosin looping error message when checked on /var/log/user.log Feb 25 07:28:39 rastavarian suhosin[444]: ALERT – configured GET variable value length limit exceeded – dropped variable ‘cookie’ (attacker ‘202.42.246.191’, file ‘/var/www/wp-admin/admin-ajax.php’) Feb 25 07:28:40 rastavarian suhosin[442]: ALERT – configured…