On Fri, Dec 01, 2006, John W. Baxter wrote:
>> I'm curious about this one particular item. Isn't it correct to
>> always block dynamic IP ranges? There's nothing but spam from them. I
>> assume that every non-spam-sender has a static IP range.
> [...] (I know of a cable provider in an Oregon coastal town which
> created static IPs by setting DHCP lease expiration to 3 years, and
> assigning out of the regular pool. (I suspect they've come up with a
> working method by now.)
I wouldn't whitelist such a provider; clients' leases are easily faked.
I use NJABL's and SORBS' lists for blocking dynamic addresses, I don't
know of any false positives yet.
--
Unix stuff :: http://tehran.lain.pl
Yet Another RBL :: http://rbl.lain.pl
