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The sprayd daemon must be disabled on AIX.


Overview

Finding ID Version Rule ID IA Controls Severity
V-215382 AIX7-00-003077 SV-215382r508663_rule Medium
Description
The sprayd service is used as a tool to generate UDP packets for testing and diagnosing network problems. The service must be disabled if NFS is not in use, as it can be used by attackers in a Distributed Denial of Service (DDoS) attack.
STIG Date
IBM AIX 7.x Security Technical Implementation Guide 2023-08-23

Details

Check Text ( C-16580r294597_chk )
From the command prompt, execute the following command:
# grep "^sprayd[[:blank:]]" /etc/inetd.conf

If there is any output from the command, this is a finding.
Fix Text (F-16578r294598_fix)
In "/etc/inetd.conf", comment out the "sprayd" entry by running command:
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'sprayd' -p 'udp'

Restart inetd:
# refresh -s inetd