> -----Original Message-----
> From: Pat Masterson [mailto:[EMAIL PROTECTED]
> Subject: RE: [SAtalk] (OT) DSL/DIALUP manual BL Catch 22
> 
> 
> Here it is Chris..
> GL. -pat
> 

Thanks for your access file Pat!! Your list was great help. I wanted to let
you know how I'm handling this as it may be of some help. 

Some quick info:
The access file you sent me with blocked IPs had some class B's blocked. I
had to double check each of them to make sure they didn't block any of the
asian countries I unfortunetly have to deal with. It seems MANY (and I mean
LOTS) belong to APNIC (asian pacific network information center) I'm
blocking class C's on this network until I'm sure I don't deal with anyone
using there network for business. Also another majority of the IP addresses
are from RIPE registered in Amsterdam. 

Here is how I handle my access file:
It is made from 3 different files. 
Access.orig, ipaccess, and spam.txt

Access.orig is simply my own generic access file for my system to work. Just
the basics. 
Ipaccess is JUST the list of blocked IPs.
Spam.txt I get at http://basic.wirehub.nl/spamstats.html under the
Public(extended) blacklist. (HIGHLY RECOMENDED!)
(down towards the bottom of that page.)

I download the extended public BL anytime I'm at the server. But at least
twice a week. 
Because the amount of spam getting thru is so small, I now check every IP
address and add that to my/your ipaccess file. I try to block the /32 of the
IP. If in the ipaccess file I see others in the subnet have already been
blocked, then I will change it to class B or C accordingly. (I actually do
this in excel first to make it easier to compare and find IPs.)

After I update spam.txt and ipaccess list. I just type a script ./updatebl,
which does the following...

del access.db.was
cp access.db access.db.was
mv spam.txt access
cat ipaccess >> access
cat access.orig >> access
makemap -hash blah blah blah balh.........

This way I have a backup and it is pretty automated. 

With your list edited for IPs only, no class B's, and about 200 of my own,
within 5 minutes I saw rejections for those IPs. :) NICE!

I like this method better, as I have control. I've copied to the SA list in
hopes it may help others who use Sendmail. 

Thanks again!!!!
Chris Santerre
System Admin
"A little nonsense now and then, is relished by the wisest men." - Willy
Wonka




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