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Date:      Fri, 06 Aug 2004 18:56:32 -0400
From:      Forrest Aldrich <forrie@forrie.com>
To:        Vince Vielhaber <vev@michvhf.com>
Cc:        freebsd-ipfw@freebsd.org
Subject:   Re: Blocking SMTP traffic based upon RBL....
Message-ID:  <41140CA0.7090409@forrie.com>
In-Reply-To: <Pine.BSF.4.58.0408061849020.33173@paprika.michvhf.com>
References:  <411406D7.2000808@forrie.com> <Pine.BSF.4.58.0408061849020.33173@paprika.michvhf.com>

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Hi Vince,

Thanks for the pointer.

I use Sendmail-8.13 on my system, Postfix in the future.    I'm guessing 
rblsmtpd will require the adoption of ucspi, which would break some of 
the configs I work with now.   I'll look at it.

Thanks.



Vince Vielhaber wrote:

>On Fri, 6 Aug 2004, Forrest Aldrich wrote:
>
>  
>
>>There are probably dangerous consequences to doing something like this
>>improperly; however, there is a project out there called PacketBL:
>>
>>http://wiki.duskglow.com/index.php/Packetbl
>>
>>It's for Linux only, unfortunately -- however I like the idea.   It
>>interfaces with the packet filtering system and selectively blocks SMTP
>>(port 25, configurable) traffic based upon RBLs etc.
>>
>>I wonder if there is a similar way to accomplish this with FreeBSD/ipfw...
>>    
>>
>
>This works with qmail and any (unixish) OS:
>
>	http://cr.yp.to/ucspi-tcp/rblsmtpd.html
>
>It's part of the ucspi-tcp package.  I've been using it since sometime
>around '98 without a problem.  Been using qmail even longer, no problem
>there either.
>
>Vince.
>  
>



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