The system must be configured with a default gateway for IPv4 if the system uses IPv4, unless the system is a router.

From SUSE Linux Enterprise Server v11 for System z

Part of GEN005560

Associated with: CCI-000366

SV-46110r1_rule The system must be configured with a default gateway for IPv4 if the system uses IPv4, unless the system is a router.

Vulnerability discussion

If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial of Service attacks.

Check content

Check the system for an IPv4 default route Procedure: # netstat -r |grep default If a default route is not defined, this is a finding.

Fix text

Set a default gateway for IPv4.

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