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Re: [Asrg] Spam, defined, and permissions

On Tue, 28 Dec 2004, Barry Shein wrote:

> Just a thought:
> 
> What'd probably work these days to 'punish' or, more pc, help
> quarantine, an infected box would be to just remove their reverse DNS
> since so many systems these days will err out an smtp connection from
> a box with no reverse DNS, but would still let it browse web pages. etc.

What about clients with dynamic ip address?
And these probably account for majority of zombies...

P.S. Yes, I know you could set inaddr dynamically and even integrate it 
with dhcp, but how many ISPs do you actually know that have done it?

-- 
William Leibzon
Elan Networks
william at elan.net


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