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The system must prevent local applications from generating source-routed packets.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-48213 | SOL-11.1-050370 | SV-61085r2_rule | Low |
| Description |
|---|
| Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. |
| STIG | Date |
|---|---|
| Solaris 11 SPARC Security Technical Implementation Guide | 2017-01-05 |
Details
| Check Text ( C-50645r2_chk ) |
|---|
| The IP Filter Management profile is required. Check the system for an IPF rule blocking outgoing source-routed packets. # ipfstat -o Examine the list for rules such as: block out log quick any with opt lsrr block out log quick any with opt ssrr If the listed rules do not block both lsrr and ssrr options, this is a finding. |
| Fix Text (F-51821r2_fix) |
|---|
| The root role is required. # pfedit /etc/ipf/ipf.conf Add rules to block outgoing source-routed packets, such as: block out log quick any with opt lsrr block out log quick any with opt ssrr Reload the IPF rules. # ipf -Fa -A -f /etc/ipf/ipf.conf |