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GEN003607 - The system must not accept source-routed IPv4 packets.

Information

Source-routed packets allow the source of the packet to suggest routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. This requirement applies only to the handling of source-routed traffic destined to the system itself, not to traffic forwarded by the system to another, such as when IPv4 forwarding is enabled and the system is functioning as a router

Solution

Configure the system to not accept source-routed IPv4 packets.
#/usr/sbin/no -p -o ipsrcrouterecv=0

See Also

https://iasecontent.disa.mil/stigs/zip/U_AIX_6-1_V1R14_STIG.zip

Item Details

Category: ACCESS CONTROL

References: 800-53|AC-4, CAT|II, CCI|CCI-001551, Group-ID|V-22414, Rule-ID|SV-38800r1_rule, STIG-ID|GEN003607, Vuln-ID|V-22414

Plugin: Unix

Control ID: 2e1c495d58ff9a8df5447ddc67318884ce070a2e5ebed3840805464b7b98be02