SMTP Attacks 2006-10-24 - By Rick Stevens
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On Tue, 2006-10-24 at 14:01 -0400, Jeff Kinz wrote:
> On Tue, Oct 24, 2006 at 10:43:37AM -0700, Rick Stevens wrote:
> > I'm rather hesitant to post it publicly. I can only say that these
> > are the networks I've had the most trouble with and the ones that have
> > ignored my requests to block such behavior. I'm NOT condemning everyone
> > on these networks, but there seems to be a lot of *ssholes on them.
> >
> > Ah, hell, I'll throw caution to the winds. Here's the iptables rules
> > I've developed:
> >
> > # Block traffic from known spam sources...
> > -A INPUT -s 201.42/15 -p tcp -j DROP
>
> And in other news, Rick Stevens has been named as an additional
> defendant in I360 Insight's lawsuit against The Spamhaus Project....
>
> :-)
Har!
Nah, I don't publicly blacklist them...I just don't let them into our
network...and there are a few specific holes in that list for legitimate
servers that I know about.
Spamhaus, however, are Nazis and should be sued.
> > -A INPUT -s 200.176.112/21 -p tcp -j DROP
> > -A INPUT -s 202.158.29.0/255.255.255.0 -p tcp -j DROP
> > -A INPUT -s 203.228.187.0/255.255.255.0 -p tcp -j DROP
> > -A INPUT -s 209.223.0.0/255.255.0.0 -p tcp -j DROP
> > -A INPUT -s 218.0.0.0/255.0.0.0 -p tcp -j DROP
> > -A INPUT -s 219.251.88.0/255.255.252.0 -p tcp -j DROP
>
>
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
- Rick Stevens, Senior Systems Engineer rstevens@(protected) -
- VitalStream, Inc. http://www.vitalstream.com -
- -
- 500: Internal Fortune Cookie Error -
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