Cheat Sheet

If you have a dedicated server or a VPS, chances are you are the only Administrator/root user who needs to maintain it from SSH or command line. That means, you also get a *hitload of email alerts from your server about botnets trying to access your servers SSH port. There’s …

I had an interesting day at work trying to figure out how best I can setup a service for a client who is sending UDP licensing traffic through some high-end networking devices over VPN. UDP by design is unreliable. This was causing issues as the UDP packet size was over the …

Config Server Firewall (CSF) is a free and advanced firewall for most Linux distributions and Linux based VPS. In addition to the basic functionality of a firewall – filtering packets – CSF includes other security features, such as login/intrusion/flood detections. CSF includes UI integration for cPanel, DirectAdmin and Webmin, but …