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Re: rfc 1918?

  • From: SMcGrath
  • Date: Fri Feb 23 15:42:26 2001


Bill, You get the 10 point bonus.

Are we leaking RFC1918 SMTP headers ?

Scott




bill manning <bmanning@localhost.localdomain>@merit.edu on 02/23/2001
02:49:32 PM

Please respond to bmanning@karoshi.com

Sent by:  owner-nanog@merit.edu


To:   nanog@merit.edu
cc:   Valdis.Kletnieks@vt.edu

Subject:  Re: rfc 1918?



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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