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The system must disable TCP reverse IP source routing.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-216140 | SOL-11.1-050100 | SV-216140r959010_rule | Low |
| Description |
|---|
| If enabled, reverse IP source routing would allow an attacker to more easily complete a three-way TCP handshake and spoof new connections. |
| STIG | Date |
|---|---|
| Solaris 11 X86 Security Technical Implementation Guide | 2024-05-30 |
Details
| Check Text ( C-17378r372802_chk ) |
|---|
| Determine if TCP reverse IP source routing is disabled. # ipadm show-prop -p _rev_src_routes -co current tcp If the output of this command is not "0", this is a finding. |
| Fix Text (F-17376r372803_fix) |
|---|
| The Network Management profile is required. Disable reverse source routing. # pfexec ipadm set-prop -p _rev_src_routes=0 tcp |