The daytime daemon must be disabled on AIX.
An XCCDF Rule
Description
<VulnDiscussion>The daytime service provides the current date and time to other servers on a network. This daytime service is a defunct time service, typically used for testing purposes only. The service should be disabled as it can leave the system vulnerable to DoS ping attacks.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215369r508663_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
In "/etc/inetd.conf", comment out the "daytime" entries by running commands:
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'daytime' -p 'tcp'
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'daytime' -p 'udp'
Restart inetd:
# refresh -s inetd