GEN009190 - The system must not have the comsat service active.

Information

The comsat daemon notifies users on incoming email. This is an unnecessary service and is vulnerable to a flood attack. Running unnecessary services increases the attack vector of the system.

Solution

Edit /etc/inetd.conf and comment out comsat service line. Restart the inetd service.
# refresh -s inetd

See Also

https://iasecontent.disa.mil/stigs/zip/U_AIX_6-1_V1R14_STIG.zip