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V-30744

The administrator must ensure the that all L2TPv3 sessions are authenticated prior to transporting traffic.

Finding ID
NET-TUNL-034
Rule ID
SV-40557r1_rule
Severity
Cat II
CCE
(None)
Group Title
L2TPv3 sessions are not authenticated
CCI
(None)
Target Key
(None)
Documentable
No
Discussion

L2TPv3 sessions can be used to transport layer-2 protocols across an IP backbone. These protocols were intended for link-local scope only and are therefore less defended and not as well-known. As stated in DoD IPv6 IA Guidance for MO3 (S4-C7-1), the L2TP tunnels can also carry IP packets that are very difficult to filter because of the additional encapsulation. Hence, it is imperative that L2TP sessions are authenticated prior to transporting traffic.

Fix Text

Configure L2TPv3 to use authentication for any peering sessions.

Check Content

Currently JUNOS does not support L2TPv3 so this vulnerability is not applicable.

Responsibility

Information Assurance Officer