Title

The instsrv daemon must be disabled on AIX. (Cat II impact)

Discussion

The instsrv service is part of the Network Installation Tools, used for servicing servers running AIX 3.2. This service should be disabled to prevent attacks.

Check Content

From the command prompt, execute the following command: # grep "^instsrv[[:blank:]]" /etc/inetd.conf If there is any output from the command, this is a finding.

Fix Text

In "/etc/inetd.conf", comment out the "instsrv" entry by running command: # chsubserver -r inetd -C /etc/inetd.conf -d -v 'instsrv' -p 'tcp' Restart inetd: # refresh -s inetd

Additional Identifiers

Rule ID: SV-215390r958478_rule

Vulnerability ID: V-215390

Group Title: SRG-OS-000095-GPOS-00049

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.