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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.

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Notes MTA denial

Vulnerability Assessment Summary Crashes the remote SMTP server Detailed Explanation for this Vulnerability Assessment It was possible to perform a denial of service against the remote SMTP server by sending it two HELO commands followed by a too long argument. This problem permits a possible hacker to prevent your SMTP server from sending or receiving emails, thus preventing you from working properly. Solution : contact your vendor for a patch, or change your MTA. Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 1999 Renaud Deraison

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