Topic

Using Internet Protocol version 6

Applicable to

all

History

Priority

must

Mar 2022

IPv6 tunnelling is blocked by network security appliances at externally-connected network boundaries.

Miscellaneous changes were made to rationale and recommendations throughout the publication to clarify content without changing intent. This included a review from the Guidelines for System Hardening chapter through to the Guidelines for Data Transfers chapter.

2015

IPv6 tunnelling must be blocked by network security devices at externally connected networkboundaries.