what filtering to do on the OUTPUT chain?

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On Tue, Oct 22, 2002 at 09:03:54PM +0100, Antony Stone wrote:
> On Tuesday 22 October 2002 7:57 pm, Robert P. J. Day wrote:
> 
> >   i've had a number of people tell me that, while they put a good deal
> > of thought into their INPUT filtering, they simply ACCEPT all outgoing
> > traffic since, if their input filtering is working properly, there's no
> > reason to stop outgoing packets.
> 
> There's no reason to filter outgoing packets unless you don't trust the 
> applications running on your machine.

You shouldn't trust the applications running on your machine.

> If you don't trust what's running on your machine, then you should
> probably fix more than just what netfilter allows.

Yes, but netfilter is a good start :)

-- 
FunkyJesus System Administration Team




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