Re: [Openh323gk-developer] Rate limiting feature

[Nyamul H. <mnh...@us...>]

that bad customer would be my "good" customer... if i could just handle them
all!!! ;) *sigh*

yeah, a trial and error would be needed to find the right value...

regards
HASSAN


----- Original Message ----- 
From: "Zygmuntowicz Michal" <m.z...@on...>
To: "GNU Gatekeeper Developer" <ope...@li...>
Sent: Wednesday, August 15, 2007 01:40
Subject: Re: [Openh323gk-developer] Rate limiting feature


> Would be a better way to have the gatekeeper blocked/crashed
> by the high CPS rate? CPS should not activate under normal circumstances.
> But sometimes you have bad;) customers that just send too many
> CPS (that your system cannot handle) for some reson. Without this
> feature they will see your gk as "down" anyway...
> By DoS I don't mean DoS attack - just the load is too high
> and causes your system to DoS.
>
> ----- Original Message ----- 
> From: "Nyamul Hassan" <mnh...@us...>
> Sent: Tuesday, August 14, 2007 9:08 PM
> Subject: Re: [Openh323gk-developer] Rate limiting feature
>
>
> > Ok.  When a remote EP is detected to be unreachable at the TCP level,
> > GnuGK
> > makes that an error 3.  That is usually treated as "endpoint is
> > unavailable
> > on the network" (something like link is down) by the customers that we
> > work
> > with, who usually use Nextone, Cisco or Mera.  Won't the originators
treat
> > an error like "link is down", too severe and might take the target GK
off
> > route?
> >
> > Of course, we have to rightly estimate the parameters.  What would you
say
> > is the right value?  Michal is right, it's already appearing too
"tricky"
> > for me to estimate.  :)
> >
> > Besides, in case my IP is under a DoS attack, is it possible at all to
> > decide which incoming pkt is a genuine call, and which aren't, at the
TCP
> > level?
> >
> > Regards
> > HASSAN
>
>
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