Very Computer

1. Apache concurrent connection limiting by user/IP ?

Hello all,

Is there a way to limit concurrent connections in Apache, by e.g. IP
address and/or cookie data?

The problem is that if you serve many big files (e.g. 1-15 MB each),
people usually try to download many of them at once.

This causes extra strain on bandwidth (especially if there isn't too
much of it ;<).  I'd like to have it so that every IP address can
create only 1 (or a defined number) HTTP connection simultaneously.  

I checked mod_limit, mod_bandwidth, mod_throttle etc. but all of these
are targeted to solve other problems.

Are there some design problems associated with this kind of feature
(ie. is this kind of limiting even easily possible?) ?  Did I miss
some neat module/feature, which could be used to accomplish this?

There might be a way to create some CGI frontend that'd keep a
database of running sessions, but somehow I think it'd be 1) a dirty
hack (tm) and 2) quite difficult to do properly.

Any ideas/thoughts?

TIA, Regards,

Pekka Savola                    pekkas at netcore dot fi
---
Across the nations the stories spread like spiderweb laid upon spiderweb,
and men and women planned the future, believing they knew truth. They
planned, and the Pattern absorbed their plans, weaving toward the future
foretold.               -- Robert Jordan: The Path of Daggers

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