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Date: Tue, 22 Sep 2009 21:29:41 +0200
From: yersinia <yersinia.spiros@...il.com>
To: Abhijeet Jain <abhijeet.ecstatic@...il.com>
Cc: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: Dumb question: Is Windows box behind a router
	safe ?

On Tue, Sep 22, 2009 at 9:11 PM, Abhijeet Jain
<abhijeet.ecstatic@...il.com>wrote:

> Myth No. 2- Using Firefox does not make you safe! In fact, IE 7/8 is the
> safest browser when used with Windows Vista because it runs on lower
> privileges.
>
> Not on Linux(Fedora) with Selinux Enabled, better if you run with the
guest_u selinux usr.

>
> On Tue, Sep 22, 2009 at 1:57 PM, Kos <kpo.mail.list@...il.com> wrote:
>
>> Ancompuger behind a router/firewall does not make it safe.
>> Vulnerabilities and exploits are not limited to a network level, which
>> is generally what a firewall is used for. Vulnerabilities sent via any
>> protocol used (http, imap, pop, other protocols that may be in use)
>> are not suddenly secure.
>>
>> An example, there are PDFs that will trigger adobe to run, whcih can
>> be exploited easily.
>> Someone can send your father an email with a malicious attatchment,
>> and a firewall isn't going to preven him from clicking and running it.
>> Anti-virus is a good start, but will only go so far.
>> There are phishing sites too.
>> The ways to get owned are countless, regardless of a firewall or not.
>>
>> You should keep the system maintained and up to date (run system
>> updates and applications undated regularly).
>>
>> So no, a firewall will not prevent a computer from being compromised.
>>
>> Other opinions?
>>
>> Kos
>>
>> On Sep 22, 2009, at 11:29 AM, Steven Anders <anderstev@...il.com> wrote:
>>
>> > I received great responses and am very grateful to the help from
>> > community of this list. Thank you.
>> >
>> >
>> > I have a dumb question: Is a Windows box behind a router safe ?
>> >
>> > It is my father's PC and the Windows OS was not updated regularly.
>> > The Windows box was connected through wire (RJ45) to the router. The
>> > router is then connected to the DSL modem.
>> > The Windows Box has SP2 installed and the default Windows firewall
>> > enabled - and I think was last updated from Windows Update on in
>> > 2008. It has AVG anti virus.
>> > The PC was never moved anywhere and is always behind the router. The
>> > router has default settings, which I believe has no ports open.
>> >
>> > He never installed any applications or downloads anything off the
>> > net - mainly it is used for emails and general web browsing (using
>> > Firefox, not IE). I informed him to use Firefox, since IE has so
>> > many security issues.
>> >
>> >
>> > My questions are:
>> >
>> > 1.  There are many exploits and vulnerabilities of Windows, but I
>> > was wondering if outdated Windows box behind router generally
>> > safe ?  Since, the Windows box was not updated with the latest
>> > updates.
>> >
>> > 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.
>> >
>> >
>> > 2. If a Windows box is behind a router, could a botnet be installed
>> > to it ? Assuming, the end user does not install/download any
>> > applications from the Internet and always use Firefox.
>> >
>> >
>> > Thank you all in advance.
>> > steve
>> >
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>
>
> --
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>
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