This includes software that «phones home», or malware trying to connect to its owner. It will hide the computer from port scans by not responding to unsolicited network traffic.īlock outgoing connection attempts.
What these configurations will result in:Ī firewall that protects from unwanted incoming (Internet and LAN)connection attempts. Iptables is a very powerful and flexible tool, so there are a plethora of options for servers and desktop computers. This howto should work on all versions of Debian and on other distros with Iptables as well.
In this howto we will use iptables to make a basic personal firewall for your desktop computer. A personal firewall is an application which controls a computer's network traffic, permitting or denying communications based on a security policy.
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