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Test ID:1.3.6.1.4.1.25623.1.0.11580
Category:Firewalls
Title:UDP packets with source port of 53 bypass firewall rules
Summary:NOSUMMARY
Description:Description:

It is possible to by-pass 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.

Solution : Review your firewall rules policy
Risk factor : High

Cross-Ref: BugTraq ID: 7436
BugTraq ID: 11237
CopyrightThis script is Copyright (C) 2003 Tenable Network Security

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