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IEVref:732-06-01ID:
Language:enStatus: Standard
Term: firewall
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Definition: functional unit that mediates all traffic between two networks and protects one of them or some part thereof against unauthorized access

NOTE 1 – The protected network is generally a private network, internal to an organization.

NOTE 2 – A firewall may permit messages or files to be transferred to a high-security workstation within the internal network, without permitting such transfer in the opposite direction.

NOTE 3 – The firewall may have different types of implementation. Examples are dual-homed-host, screened subnet, screening router, or bastion host.

NOTE 4 – See Figure 3.




Publication date:2010-06
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Internal notes:2017-08-30: Added <p> tags. LMO
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