Anand Buddhdev writes:
> On Tue, Mar 30, 1999 at 10:34:25AM +0300, Georgi Kupenov wrote:
>
> To ban a certain host from connecting to you, put the following at the
> top of the tcp.smtp rules file and rebuild it with tcprules:
>
> [ip.address.of.bad.host]:deny
That causes problems, though. Microsoft, in their infinite wisdom (we
wouldn't have Melissa without Microsoft products to propogate it --
Unix-only houses have been blissfully ignorant) causes some version of
their mailer to retry upon failure to get a prompt. Denial of service
attacker, as designed. By a major US corporation.
Better to run rblsmtpd (the RBL is a good thing in any case) and set
RBLSMTPD.
[ip.address.of.bad.host]:allow,RBLSMTPD=/-You are banned from sending mail here/
--
-russ nelson <[EMAIL PROTECTED]> http://crynwr.com/~nelson
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