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Network Dictionary – Firewall

19th October 2009 By 3 Comments

Firewall

1. A network device to permit and / or control authorised access to / from a network by statefully filtering packets.

The device is supposedly developed in a secure and trusted manner with additional features and controls that provide assurance of a higher level of device security and software integrity.

2. A router that doesn’t work.

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About Greg Ferro

Greg Ferro is a Network Engineer/Architect, mostly focussed on Data Centre, Security Infrastructure, and recently Virtualization. He has over 20 years in IT, in wide range of employers working as a freelance consultant including Finance, Service Providers and Online Companies. He is CCIE#6920 and has a few ideas about the world, but not enough to really count.

He is a host on the Packet Pushers Podcast, blogger at EtherealMind.com and on Twitter @etherealmind and Google Plus