The Network Security. Org

While waiting for ADSL to be enabled in my area, which (I’ve been told) will happen soon, I did some tinkering with my Gentoo Linux workstation to make it more protected against remote attacks, and I thought of compiling a list of security measures against the dangers of full-time Internet connection. Obviously the list is not complete, but it has tips that can surely help.

Linux Core

Configure and Enable Firewall

The firewall is the front-line defense against remote attacks, it’s highly recommended that you enable and configure it, Linux firewall infrastructure is called netfilter/iptables, unfortunately it is quite complicated, the details can’t be covered here, so check out this howto, or use configuration frontends like m0n0wall (CLI), shorewall (CLI), and FireStarter (GUI).

I suggest you drop all incoming connections, and then open the ports you need, like SSH or Bittorrent. Tips to Secure Linux Workstation | Ayman Hourieh’s Blog

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