North American Network Operators Group
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Re: How do you stop outgoing spam?

  • From: Petri Helenius
  • Date: Tue Sep 10 03:07:32 2002 
Eliot Lear wrote:
> 
> Please be aware that this could have unintended consequences, and should
> be used in very constrained ways.  In particular, there are any number
> of applications, including VPN applications that use port 80.  I would
> recommend that only specified destinations get such treatment, if you
> apply it at all.
> 
If somebody is ignorant enough to implement IP over HTTP, why should
they be accommodated? There are numerous reasons why there are other 
port numbers to TCP than 80 and other protocol numbers to IP than 6.

We could save a lot by eliminating unneccessary headers...

Pete