Gateways inspect and filter data flows at the transport and above network layers.
Topic
Implementing gateways
Applicable to
all
History
Priority
should
Mar 2022
Gateways inspect and filter data flows at the transport and above network layers.
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.
2017
Agencies should ensure that all connections between security domains contain mechanisms toinspect and filter data flows for the transport and higher layers as defined in the OSI model.
Control Text Changed. No public explaination.
2015
Agencies should ensure that all gateways contain mechanisms to inspect and filter data flowsfor the transport and higher layers as defined in the OSI model.