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Assessment Title
Rule Text
The system must use a reverse-path filter for IPv4 network traffic when possible on all interfaces.
Description
Discussion Text
Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the interface they were received on. It should not be used on systems which are routers for complicated networks, but is helpful for end hosts and routers serving small networks.
New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.