iptables: Creating an open source firewall

Thursday, 25 November 2004, 10:02 AM EST

With ever-present threats from online attackers and script kiddies, administrators need a firewall on the border of any network. A Linux box can make a particularly effective and capable firewall at a fraction of the cost of a Cisco or Check Point system.

The most obvious use for a firewall is to block unwanted traffic from entering or leaving a network. Firewalls can also make specific connections from outside hosts to internal systems, such as a mail or Web server, either behind the firewall or on a trusted or "de-militarized zone" (DMZ) segment.

By David Coulson at Linux.com

[ Read more ]




Spotlight

Harnessing artificial intelligence to build an army of virtual analysts

PatternEx, a startup that gathered a team of AI researcher from MIT CSAIL as well as security and distributed systems experts, is poised to shake up things in the user and entity behavior analytics market.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  
DON'T
MISS

Tue, Feb 9th
    COPYRIGHT 1998-2016 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //