2.1.4 Ensure echo services are not enabled (Scored)
Profile Applicability
Level 1 - Server Level 1 - Workstation
Description
echo
is a network service that responds to clients with the data sent to it by the client. This service is intended for debugging and testing purposes. It is recommended that this service be disabled.
Rationale
Disabling this service will reduce the remote attack surface of the system.
Audit
Run the following command and verify echo-dgram
and echo-stream
are off or missing:
# chkconfig --list xinetd based services: echo-dgram: off echo-stream: off
Remediation
Run the following commands to disable echo-dgram
and echo-stream
:
# chkconfig echo-dgram off # chkconfig echo-stream off