On Mon, Mar 18, 2002 at 12:13:05PM -0800, Craig R Hughes wrote:
> Søren Boll Overgaard wrote:
> 
> > That doesn't really make sense? If you know what countries you want to block,
> > you know what zone (eg. country-code) to use. If you don't know what country
> > you want to block, looking it up doesn't do much good?
> 
> Well, I think a lot of people just block whole x.0.0.0 IP blocks, and never 
> bother to do a reverse DNS mapping to find out if it's .cn or whatever.  So they 
> won't know which country code RBL to look under.  If there were just one RBL 
> server that had all the IPs in it for reverse mapping, it would make a lot more 
> sense.  Or maybe those country.rbl.clueful.net RBLs are for some other problem?

The point of this RBL is to enable administrators to block specifik countries.
Blocking entire /8's causes blocking of some Australian IP's as well as some
New Zealand ones.
Thus, having all the addresses in the same zone will accomplish no more than
what can be accomplished by firewalling a few /8's.

Choosing what countries to block should probably be left as a configuration
parameter in spamassassin, since some users may have dealings with people from
the far east. That, of course, is just my humble opinion :)

-- 
Søren O.


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