Important: Red Hat Security Advisory: kernel security update

Updated kernel packages that fix several security issues are now available for Red Hat Enterprise Linux 4. This update has been rated as having important security impact by the Red Hat Security Response Team. Updated 9 August 2005 The advisory text has been updated to show that this update fixed...

Firewall UDP Packet Source Port 53 Ruleset Bypass

It is possible to bypass the rules of the remote firewall by sending UDP packets with a source port equal to 53. An attacker may use this flaw to inject UDP packets to the remote hosts, in spite of the presence of a firewall. C Tenable Network Security, Inc. Problem: This check is prone to false...