max simultaneous connections per client IP

Jeroen Ooms jeroen.ooms at
Fri Sep 9 20:04:31 CEST 2011

I posted the question below a couple of weeks ago, but unfortunately there
wasn't a single answer. I would still be very interested to hear if this
would be possible, or if there is an alternative approach in which varnish
can to some extend help me prevent a dos from a single user. Thank you very

On Wed, Aug 24, 2011 at 3:06 PM, Jeroen Ooms <jeroen.ooms at>wrote:

I am using the .max_connections config to limit the total maximum
> simultaneous connections to the backend server. Is it also possible to have
> a maximum on the number of simultaneous connections per client IP? So e.g.
> have .max_connections = 10, but only 2 per client IP.
> Thanks,
> Jeroen
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