Re: [Full-disclosure] Dumb question: Is Windows box behind a router safe ?

[john s <rwnin.security@xxxxxxxxx>]

On Tue, Sep 22, 2009 at 2:01 PM, G. D. Fuego <gdfuego@xxxxxxxxx> wrote:
>
> On Sep 22, 2009, at 2:29 PM, Steven Anders <anderstev@xxxxxxxxx> wrote:
>>
>> I have always thought that having a computer behind the router
>> (since router has firewall) is generally safe, but I would love to
>> hear insights or thoughts.
>
> Nope.  A firewall should protect you against inbound connection
> attempts only.
>

A well configured firewall segregates and monitors ingress and egress
traffic on a network segment.  Controlling outbound connectivity
doesn't stop internal host app-level exploitation, but it can mitigate
post-exploit damages and can also possibly provide an alert to the
compromise...

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