V-38528: The system must log Martian packets.
---------------------------------------------

The presence of "martian" packets (which have impossible addresses) as well as
spoofed packets, source-routed packets, and redirects could be a sign of
nefarious network activity. Logging these packets enables this activity to be
detected.

Details: `V-38528 in STIG Viewer`_.

.. _V-38528 in STIG Viewer: https://www.stigviewer.com/stig/red_hat_enterprise_linux_6/2015-05-26/finding/V-38528

Notes for deployers
~~~~~~~~~~~~~~~~~~~