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

["G. D. Fuego" <gdfuego@xxxxxxxxx>]

On Sep 22, 2009, at 3:18 PM, john s <rwnin.security@xxxxxxxxx> wrote:

> 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...

How many home users do you know with egress filtering enabled?

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