Level 1 - Server Level 1 - Workstation
discard
is a network service that simply discards all data it receives. This service is intended for debugging and testing purposes. It is recommended that this service be disabled.
Disabling this service will reduce the remote attack surface of the system.
Verify the discard
service is not enabled. Run the following command and verify results are as indicated:
grep -R "^discard" /etc/inetd.*
No results should be returned
check /etc/xinetd.conf
and /etc/xinetd.d/*
and verify all discard
services have disable = yes
set.
Comment out or remove any lines starting with discard
from /etc/inetd.conf
and /etc/inetd.d/*
.
Set disable = yes
on all discard
services in /etc/xinetd.conf
and /etc/xinetd.d/*
.