[35032] in North American Network Operators' Group

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Re: rfc 1918?

daemon@ATHENA.MIT.EDU (bill manning)
Fri Feb 23 15:16:19 2001

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Date: Fri, 23 Feb 2001 11:49:32 -0800
From: bill manning <bmanning@localhost.localdomain>
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Cc: Valdis.Kletnieks@vt.edu
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SMcGrath@dhhs.state.nh.us wrote:
> 
> Agreed Valdis,
> 
> Our upstream's use 1918 addresses internally  so that 1918 addresses are
> constantly bouncing off our filters
> we have an aggressive egress filter which makes sure no 1918's leak and
> pollute the internet ;-} and filtering on core routers is a suboptimal
> solution RFC 1819 addresses (10 points to the person who knows the
> predecessor)  NEED to be filtered at the border IMHO.
> 
> Scott
> 

AS long as you are filtering, could you -PLEASE- add the SMTP filter to
prevent email w/ RFC 1918 addresses in the headers from leaking out of
your networks?

RFC 1597.

--bill


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