• Security
• Linux
• Firewall
• NRPE
• Plugin
• fail2ban
• iptables
• jail

check_fail2ban

This plugins checks your server for banned IPs by fail2ban and lists those and their bantime

• Security
• ssh
• authentication

check_ssh_auth_methods

Nagios/Icinga (or compatible) plugin to check available authentication methods for SSH

• Security
• Certificate
• x509

check_ct_logs

Shell script for monitoring certificates emitted for a domain via Certificate Transparency logs

• Security
• PHP
• mit

check_php

[sh] Nagios plugin for PHP to check for startup errors, missing modules, wrong php.ini configurations and PHP updates.

• Security
• Cisco
• Firewall
• gplv3

Cisco VPN active sessions