[37825] in North American Network Operators' Group
Re: Stealth Blocking
daemon@ATHENA.MIT.EDU (Shawn McMahon)
Thu May 24 17:29:33 2001
Date: Thu, 24 May 2001 16:09:21 -0400
From: Shawn McMahon <smcmahon@eiv.com>
To: nanog@merit.edu
Message-ID: <20010524160921.C15986@eiv.com>
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In-Reply-To: <3B0D3ADB.F4B4F529@ehsco.com>; from ehall@ehsco.com on Thu, May 24, 2001 at 09:46:19AM -0700
Errors-To: owner-nanog-outgoing@merit.edu
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On Thu, May 24, 2001 at 09:46:19AM -0700, Eric A. Hall wrote:
>=20
> TCP rate-limiting on outbound traffic to *:25 would also be extremely
> effective, particularly on unclassified customer traffic, and without the
> heavy-handed nature of denying all dial-up traffic. Rate-limiting doesn't
> interfere with low-volume legitimate mail, but it really cramps spam.
It interferes heavily with transmission of large files via email, though,
and this *IS* a valid use of service.
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