ST Alpha - "I don't agree with that. A router will 'hide' your computer behind a NAT" (Reading a Post)

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In response to "So wait.. if you have a router then you don't need a firewall? I have a Linksys router. My computer is connected via ethernet to the router. No need " by James Bond (aka Igor)

I don't agree with that. A router will 'hide' your computer behind a NAT

Posted by decline (aka Decline) Feb 6 '09, 11:58

but it doesn't really monitor incoming traffic.
Nor will it notify you if unsolicited activity is occurring.
Nor will it notify you if local programs have been changed (corrupted or replaced by a virus).
Nor does it monitor outgoing activity that can identify spyware/malware that has infiltrated your network.

Firewall are passive programs for the most part and have very small footprints. My philosophy is better safe than sorry.

Responses:

A NAT router has an external facing exposure of only the router. Sure, it won't tell you what's attacking you, but who cares? - oblique, eighth best slackertalker Feb 6, 12:00 1
- I should say, a traditional firewall only deals with inbound traffic. But there is a definite need for outbound firewalls -- nm - oblique, eighth best slackertalker Feb 6, 12:02

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I don't agree with that. A router will 'hide' your computer behind a NAT

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