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Check: GEN003607

VMware ESX 3 Server: GEN003607 (in version v1 r2)

Title

The system must not accept source-routed IPv4 packets. (Cat II impact)

Discussion

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.

Check Content

Determine if the system is configured to accept source-routed IPv4 packets. If so, this is a finding.

Fix Text

Configure the system to not accept source-routed IPv4 packets.

Additional Identifiers

Rule ID: SV-26077r1_rule

Vulnerability ID: V-22414

Group Title: GEN003607

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-001551	The organization defines approved authorizations for controlling the flow of information between interconnected systems.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-4	Information Flow Enforcement