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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Firewalls >> UDP packets with source port of 53 bypass firewall rules Vulnerability Assessment Details
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UDP packets with source port of 53 bypass firewall rules |
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By-passes the remote firewall rules Detailed Explanation for this Vulnerability Assessment It is possible to by-pass the rules of the remote firewall by sending UDP packets with a source port equal to 53. A possible hacker may use this flaw to inject UDP packets to the remote hosts, in spite of the existence of a firewall. Solution : Review your firewall rules policy Network Security Threat Level: High Networks Security ID: 7436, 11237 Vulnerability Assessment Copyright: This script is Copyright (C) 2003 Tenable Network Security |
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