Hi Cami,
I'm rewatching my logfiles and rebuilding my whitelist and blacklist
dnsnames entries.
While i was doing that, i was thinking of maybe an easy way of
monitoring policyd accept/blocking of messages, basically for getting
this information and throwing at some Cacti/RRDTool graphic. I noticed i
wouldnt be able to do that easy: i would have to grep log, count things
...... it's possible, but it would have high cost, because i deal with
some BIG logfiles ... even rotating them daily, they get pretty big.
Grepping them every 5 minutes wouldnt be nice for I/O. And i dont want
that :)
So, i was thinking of maybe getting policyd a new feature .... a
statistics table that would hold basically two columns: one for the
action name (whitelist_dnsname, blacklist_dnsname, greylist=new,
greylist=update, blacklist_helo, throttle actions and all the others)
and other column for an integer/big-integer counter, that would always
receive +1 when that action happens. That could be done in a single
query: update statistics_table set count=count+1 when
action_name='something'.
With this table, which i dont think would be that hard to implement,
some easy perl/PHP script could be written for grabbing the information
and making some monitoring graphs build VERY easily.
Updating tables always have some I/O cost ..... but as this being a
very small table, even we have 40-50 actions, i doubt it would increase
I/O in a noticable way. But of course, this can be easily be a
configurable option.
What do you think on that ???
--
Atenciosamente / Sincerily,
Leonardo Rodrigues
Solutti Tecnologia
http://www.solutti.com.br
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