The system must use an appropriate reverse-path filter for IPv6 network traffic, if the system uses IPv6.

From SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE

Part of GEN007900

Associated with IA controls: ECSC-1

Associated with: CCI-001551

SV-26227r1_rule The system must use an appropriate reverse-path filter for IPv6 network traffic, if the system uses IPv6.

Vulnerability discussion

Reverse-path filtering provides protection against spoofed source addresses by causing the system to discard packets with source addresses for which the system has no route or if the route does not point towards the interface on which the packet arrived. Depending on the role of the system, reverse-path filtering may cause legitimate traffic to be discarded and, therefore, should be used with a more permissive mode or filter, or not at all. Whenever possible, reverse-path filtering should be used.

Check content

Determine if the system uses a reverse-path filter for IPv6 network traffic. If it does not, this is a finding.

Fix text

Configure the system to use a reverse-path filter for IPv6 network traffic.

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