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Vincent Fleming wrote:

> One thought I had was to use UDP datagrams (low overhead, no errors to
> handle) to report the scores to a daemon that would track them, and
> decide if an ipaddr needed to be blacklisted, ages and removes blacklist
> entries, and updates the dns database.  I guess this architecture would
> not have to change if the scores came from a Perl plugin to spamd,
> rather than the milter... 

It may be obvious, but just to mention it for completeness sake:
Basically, you could not only give the result back to the milter, but to
a regular SA test as well.


> I guess I should poll the users@ list to see how many people would
> rather have realtime auto-blacklisting vs. a daily logparsing style.  I
> like the idea of realtime because I can effectively age the entries and
> delist them during the day, rather than at day's end, but I suppose
> there isn't a really significant difference there in the end.

I'd go for realtime (or at least something like hourly logparsing). For
me, daily logparsing turned out to be fine for tuning rules/scores or
identifying new bad blocks semi-manually, but I miss a more direct
feedback loop (mainly for speedy updates).

There would be many uses for a "SA result collector plugin" (eg for
reputation systems), so it may make sense to plan a generic approach (a
simple protocol to transfer IP, score and maybe [hash of] Message-Id and
tests hit, with some simple authentication).

Yes, I'd be interested in something like that for dnswl.org...

- -- Matthias
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