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Building Firewalls with iptables, Part 1
Exposing any system, no matter how briefly, to an untrusted network is suicidal. A firewall is absolutely vital, and fortunately, the Linux world offers us an excellent free firewall utility in netfilter/iptables.
DoS Hole Found in Linux Kernel
A security vulnerability exists in the way the open-source Linux Kernel handles caching of routing information.
'Fizzer' Worm Squirms Across the Web
Anti-virus experts are monitoring a new mass-mailing worm spreading itself via e-mail address books and the Kazaa P2P network.
SCO Looks for Linux Community Link in DoS Attack
Citing the fact that Friday's denial of service attack occurred within 48 hours of IBM's response to SCO's intellectual property infringement suit, SCO says it is investigating whether there is a link between members of the Linux Community and the attack.
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