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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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Detect talkd server port and protocol version

Vulnerability Assessment Summary Detect talkd server port and protocol version Detailed Explanation for this Vulnerability Assessment The remote host is running a 'talkd' daemon. talkd is the server that notifies a user that someone else wants to initiate a conversation with him. Malicious hackers may use it to abuse legitimate users by conversing with them with a false identity (social engineering). In addition to this, an attacker may use this service to execute arbitrary code on your system. Solution: Disable talkd access from the network by adding the approriate rule on your firewall. If you do not need talkd, comment out the relevant line in /etc/inetd.conf and restart the inetd process. See also : http://www.cert.org/advisories/CA-1997-04.html Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 2000 SecuriTeam

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