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 E-mail Alert on Root SSH Login

Want to be notified instantly when someone logs into your server as root? No problem, check out...

 How to install BFD (Brute Force Detection)

What is BFD (Brute Force Detection)? BFD is a modular shell script for parsing applicable logs...

 Installing and Configuring CSF Firewall

This article demonstrates how to install and configure the CSF (configserver) firewall. CSF can...

 Options for protecting SSH on Dedicated Servers

Filter by IP - We can set up a firewall to filter SSH access to the SSH port by IP. Change SSH...

 What happens if I use all my bandwidth?

 Which ports are blocked?

For security reasons, we have permanently blocked the following ports on our network for both...

 install mod_security for Apache

What is mod_security? ModSecurity is an open source intrusion detection and prevention engine for...