Re: Rate limiter

Erik Fears <[email protected]>
Newsgroups gmane.network.irc.bopm
Message-ID <[email protected]>
> Hi
> 
> At first , thx for the great openproxy monitor.
> 
> But i have a feature request ;-)
> 
> When scanning hosts some host starts dropping request because of the
> rate of the synpackets ( we monitor about 1000 proxyport with bopm )
> 
> Is it possible to build a ratelimiter into opm so that a computer gets
> max X requests at a time, so firewalls will not trigger on the scan
> rate.
> 
> Atm libopm fires all connect request simultanious when there are enough
> fd's which trigger's a lot of firewalls ( 1000 sync requests within 1
> sec is quite alot )
> 
> regards
> 	Robbert Muller
> 
> PS i'm not on the list, so please keep me in the CC
> 
> -- 
> Robbert
> Snt-IRCcom

It might be possible to implement this in the future. I currently don't have the time to implement such a feature, but here is a workaround?

- When a scanner reaches its max scan limit it starts to queue. You could probably make use of this by making 5-10 scanners, distributing these ports within these scanners and setting the file descriptor limit on each scanner low enough to force connections into a waiting queue.

-Erik
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