[50976] in North American Network Operators' Group
Re: Echo
daemon@ATHENA.MIT.EDU (Karsten W. Rohrbach)
Fri Aug 16 15:43:19 2002
Date: Fri, 16 Aug 2002 21:43:08 +0200
From: "Karsten W. Rohrbach" <karsten@rohrbach.de>
To: Brad Knowles <brad.knowles@skynet.be>
Cc: Martin Hannigan <hannigan@fugawi.net>, nanog@merit.edu
In-Reply-To: <a05111b0db982e725ea95@[10.0.1.60]>; from brad.knowles@skynet.be on Fri, Aug 16, 2002 at 07:48:10PM +0200
Errors-To: owner-nanog-outgoing@merit.edu
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Brad Knowles(brad.knowles@skynet.be)@2002.08.16 19:48:10 +0000:
> What kinds of anti-abuse protection methods have people used for=20
> "echo" accounts that they have set up?
- scoreboard: one mail from one source addres in one minute time window
- gnupg: mail needs to be signed to fire a return mail. key of the
signer must belong to the robot's gpg trust web.
regards,
/k
--=20
> To avoid criticism, do nothing, say nothing, be nothing. --Elbert Hubbard
WebMonster Community Project -- Reliable and quick since 1998 -- All on BSD
http://www.webmonster.de/ - ftp://ftp.webmonster.de/ - http://www.rohrbach.=
de/
GnuPG: 0xDEC948A6 D/E BF11 83E8 84A1 F996 68B4 A113 B393 6BF4 DEC9 48A6
REVOKED: 0x2964BF46 D/E 42F9 9FFF 50D4 2F38 DBEE DF22 3340 4F4E 2964 BF46
REVOKED: 0x4C44DA59 RSA F9 A0 DF 91 74 07 6A 1C 5F 0B E0 6B 4D CD 8C 44
My mail is GnuPG signed -- Unsigned ones are bogus -- http://www.gnupg.org/
Please do not remove my address from To: and Cc: fields in mailing lists. 1=
0x
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