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Assessment Title
Rule Text
The network device must drop all inbound and outbound IPv4 and IPv6 packets being tunneled with outdated protocols.
Description
Discussion Text
There are a number of outdated tunneling schemes that should be blocked to avoid importing IPv6 packets. DoD IPv6 IA Guidance for MO3 (S0-C7-2) has identified the following to be blocked at the perimeter:
Source Demand Routing Protocol (SDRP)
AX.25
IP-within-IP Encapsulation Protocol
EtherIP protocol
Encapsulation Header Protocol
PPTP
Source Demand Routing Protocol (SDRP)
AX.25
IP-within-IP Encapsulation Protocol
EtherIP protocol
Encapsulation Header Protocol
PPTP
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