STIGQter STIGQter: STIG Summary: Solaris 10 SPARC Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 22 Jan 2021:

The system must not apply reversed source routing to TCP responses.

DISA Rule

SV-226893r603265_rule

Vulnerability Number

V-226893

Group Title

SRG-OS-000480

Rule Version

GEN003605

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the system to not apply reversed source routing to TCP responses.
# ndd -set /dev/tcp tcp_rev_src_routes 0
Also add this command to a system startup script.

Check Contents

Determine the type of zone that you are currently securing.
# zonename

If the zone is not the global zone, determine if any interfaces are exclusive to the zone:
# dladm show-link

If the output indicates "insufficient privileges" then this requirement is not applicable.

If the zone is the global zone or the non-global zone has exclusive interfaces verify the system does not apply reversed source routing to TCP responses.

# ndd /dev/tcp tcp_rev_src_routes

If the result is not 0, this is a finding.

Vulnerability Number

V-226893

Documentable

False

Rule Version

GEN003605

Severity Override Guidance

Determine the type of zone that you are currently securing.
# zonename

If the zone is not the global zone, determine if any interfaces are exclusive to the zone:
# dladm show-link

If the output indicates "insufficient privileges" then this requirement is not applicable.

If the zone is the global zone or the non-global zone has exclusive interfaces verify the system does not apply reversed source routing to TCP responses.

# ndd /dev/tcp tcp_rev_src_routes

If the result is not 0, this is a finding.

Check Content Reference

M

Target Key

4060

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