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The rstatd daemon must be disabled on AIX.


Overview

Finding ID Version Rule ID IA Controls Severity
V-215380 AIX7-00-003075 SV-215380r508663_rule Medium
Description
The rstatd service is used to provide kernel statistics and other monitorable parameters pertinent to the system such as: CPU usage, system uptime, network usage etc. An attacker may use this information in a DoS attack. This service should be disabled.
STIG Date
IBM AIX 7.x Security Technical Implementation Guide 2022-06-06

Details

Check Text ( C-16578r294591_chk )
From the command prompt, execute the following command:
# grep "^rstatd[[:blank:]]" /etc/inetd.conf

If there is any output from the command, this is a finding.
Fix Text (F-16576r294592_fix)
In "/etc/inetd.conf", comment out the "rstatd" entry by running command:
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'rstatd' -p 'udp'

Restart inetd:
# refresh -s inetd