RE: Own db of blocked IPs

[Marek Kowal <marek.kowal@portal.onet.pl>]

Thank's for the prompt replies. 

If I am to go to the RBL, I need to have the DNS which can use the SQL
database as the source of records. I have (really!) about 10 seconds from
the detection of "tricky" IP to the next connection attempt, and during that
time my DNS needs to start to serve those IPs as blocked.

Any ideas?

Cheers,
.m

-----Original Message-----
From: Carlos G Mendioroz [mailto:tron@huapi.ba.ar] 
Sent: Tuesday, January 27, 2004 9:59 PM
To: Marek Kowal
Cc: ZMailer list
Subject: Re: Own db of blocked IPs

Sounds like using RBL scheme is the easiest way to go...
just set up a DNS server serving your blocked IPs !

Marek Kowal wrote:

> Hi there, 
> 
> I have an external DB of the IPs to be blocked. It is very dynamic (up to
> 100 new entries per minute) and centralized - many servers should use it.
So
> the standard Zmailer mechanisms of static blocked IPs are - I guess - no
> good to me. I am running out of time, so please, help me with the
following:
> where in the smtpserver should I implement my lookup so that I can discard
> the connection in either of the places:
> 
>  - in main smtpserver process, after accept() and before the fork
>  - in the child smtpserver process
> 
> Please, help me if you can (and I know you do!) ;-) In the meantime I am
> digging through the sources myself.
> 
> Cheers,
> Marek
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> 

-- 
Carlos G Mendioroz  <tron@huapi.ba.ar>  LW7 EQI  Argentina
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