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Is there a way I can limit the number of concurrent connections to the Web Application running on my Apache Server.

My server version is Apache 2.2.11

M.N
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  • From the comment to the limitipconn answer it looks like you're looking to block concurrent connections *from one user* (or IP) instead of the global one? If so, you might want to edit your question. Also, if you block IP addresses, be aware of large networks hiding behind a single proxy. – Olaf Kock Feb 12 '09 at 20:40
  • I am not trying to block concurrent connections from a single IP. I only want a cap on the maximum no of total active connections with Apache. – M.N Feb 13 '09 at 09:47

4 Answers4

2

Have a look at limitipconn module.

kgiannakakis
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    The above link is relevant for Apache 1.3. For Apache2, the link is http://dominia.org/djao/limitipconn2.html. Anyways I will try it. – M.N Jan 16 '09 at 15:20
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Sure thing:

http://apache.ivn.cl/#bandwidth

and you can find a debian package too

libapache2-mod-bw

Toe Knee
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We completely built an application layer thing that stored, checked and restricted the limit on # of application users that could be logged on concurrently.

If it got exceeded, we sent them to a 'waiting room' - worked like a charm.

So it was all application managed - we had multiple apache servers in a cluster.

We were not using the Zend clustering stuff , IMO.

blispr
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I'm not sure if it will useful to you but definitely worth a chance.

Maybe you can use the directives MaxClients and ListenBackLog

Although they apply to the concurrent access to the entire server, not only your application, and on a resource base.

Eineki
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