Re: SMTP Attacks

[Jeff Kinz <jkinz kinz org>]

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....

:-)


> -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


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