Date: Sat, 28 Sep 2002 10:31:22 +0200 From: Erwin Lansing <erwin@lansing.dk> To: isp@FreeBSD.ORG Subject: Re: open smtp relays and http proxies Message-ID: <20020928083122.GW57305@droso.net> In-Reply-To: <DBEIKNMKGOBGNDHAAKGNGEMJBPAB.dave@hawk-systems.com> References: <200209271818.g8RIIBBU002312@mercury.unimatrixzero.com> <DBEIKNMKGOBGNDHAAKGNGEMJBPAB.dave@hawk-systems.com>
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--V2tfspbppmK1TQo2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 27, 2002 at 02:48:30PM -0400, Dave [Hawk-Systems] wrote: > From a mail/SMTP perspective, just use ORBD... we run every so often on = our > colo block to ensure no clients are inadvertantly(read lazy) an open rela= y. >=20 > http://www.ordb.org/submit/ Also note that ORDB can send you a list over found open relays in your netblocks each week: http://ordb.org/faq/#isp_subscribtion Although this is after the fact of course :) Cheers, -erwin >=20 > Dave >=20 > >-----Original Message----- > >From: owner-freebsd-isp@FreeBSD.ORG > >[mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of FreeBSD > >Sent: Friday, September 27, 2002 2:18 PM > >To: isp@FreeBSD.ORG > >Subject: open smtp relays and http proxies > > > > > > > > > >I'm looking software that will allow us to scan > >our own netblocks for open smtp relays and open > >http and socks proxies. The spammers are very > >aggressive about abusing these systems and we > >want to check to make sure our users aren't > >running such vulnerable systems. > > > >I know rlytest in the ports collection checks > >one host for smtp relaying, but I'd like to scan > >entire netblocks at once. > > > >What else can be done to keep user's systems > >safe from spammers? > > > > > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org > >with "unsubscribe freebsd-isp" in the body of the message > > >=20 >=20 > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message --=20 _._ _,-'""`-._ Erwin Lansing (,-.`._,'( |\`-/| http://droso.org/ erwin@lansing.dk `-.-' \ )-`( , o o) http://fnidder.dk/ -bf- `- \`_`"'- --V2tfspbppmK1TQo2 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (FreeBSD) iD8DBQE9lWjaqy9aWxUlaZARArV/AKCEhvyPw93xr548/+04jfpccudJVwCg7nG1 LYBwHppSnT2naTzvMXVW8zk= =mil3 -----END PGP SIGNATURE----- --V2tfspbppmK1TQo2-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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