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The system must not have 6to4 enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22545 | GEN007780 | SV-26220r1_rule | ECSC-1 | Medium |
| Description |
|---|
| 6to4 is an IPv6 transition mechanism that involves tunneling IPv6 packets encapsulated in IPv4 packets on an ad-hoc basis. This is not a preferred transition strategy and increases the attack surface of the system. |
| STIG | Date |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-29301r1_chk ) |
|---|
| Determine if there are any 6to4 tunnels configured on the system. If any exist, this is a finding. |
| Fix Text (F-26333r1_fix) |
|---|
| Remove the configuration for any 6to4 tunnels on the system. |