5.4 Ensure echo is not enabled

Information

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.

Solution

Remove or comment out any echo lines in /etc/inetd.conf-#echo stream tcp nowait root internal

See Also

https://workbench.cisecurity.org/files/91

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7b., CSCv6|9.1

Plugin: Unix

Control ID: 8da33319dd2eb8ebcc0dacecedc8f40a12edffa77f048121468aae577435288b