[50984] in North American Network Operators' Group
Re: Echo
daemon@ATHENA.MIT.EDU (Karsten W. Rohrbach)
Fri Aug 16 21:55:26 2002
Date: Sat, 17 Aug 2002 03:55:17 +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: <a05111b16b983224c6de8@[10.0.1.60]>; from brad.knowles@skynet.be on Fri, Aug 16, 2002 at 11:46:51PM +0200
Errors-To: owner-nanog-outgoing@merit.edu
--gr/z0/N6AeWAPJVB
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
Brad Knowles(brad.knowles@skynet.be)@2002.08.16 23:46:51 +0000:
> At 9:43 PM +0200 2002/08/16, Karsten W. Rohrbach wrote:
>=20
> > - scoreboard: one mail from one source addres in one minute time window
>=20
> Do you just queue messages from source addresses, so that you=20
> don't generate more than one echo in a minute, or do you throw away=20
> every message from that source address which was generated less than=20
> one minute ago?
please, see the other answer in this thread.
>=20
> Also, how do you handle echoes of echoes? For example, if I=20
> forged e-mail as being from echo@psi.net and addressed that to=20
> echo@rohrbach.de (or whatever), would this generate an endless loop?
X-Loop:
>=20
> What if I put "echo@psi.net,echo@psi.net" as the return address?=20
> Would you send back two copies?
No.
> Just curious. Thanks!
regards,
/k
--=20
> Nuclear war can ruin your whole compile. --Karl Lehenbauer
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
--gr/z0/N6AeWAPJVB
Content-Type: application/pgp-signature
Content-Disposition: inline
-----BEGIN PGP SIGNATURE-----
Comment: For info see http://www.gnupg.org
iD8DBQE9Xa0Fs5Nr9N7JSKYRAqD7AKChKqJiS46ipXGSa/jsqX2pEMHgzACgnsRP
yZkjdVK/ib1fJu/8EXkYbHw=
=Q8de
-----END PGP SIGNATURE-----
--gr/z0/N6AeWAPJVB--