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

[john s <rwnin.security@xxxxxxxxx>]

On Tue, Sep 22, 2009 at 4:09 PM, G. D. Fuego <gdfuego@xxxxxxxxx> wrote:
>
> 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?
>

Is this a security mailing list? ;)

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/