I'm behind a proxy that is "Enterprise DDoS Protected". On a normal day with normal connections to all my servers the concurrent connections on the proxy is 17,000. Yes 17,000 is normal for the nature of my sites. 90% of the traffic is requesting bytes of data then that's it, no need to connect again for a minute. The problem with the "Enterprise DDoS Protected" proxy they are telling me if I would reduce my concurrent connections It will stop hanging up or have faster latency times. They have tuned it on there end but my servers seem to keep the connections open to long.
I'm running on my servers
Ubuntu Linux 11.10 Linux 3.0.0-17-server on x86_64 Intel(R) Xeon(R) CPU E31230 @ 3.20GHz, 8 cores
on all my servers. My questions is how can I reduce the concurrent connections to where after it connects it closes the connection out like after 10 seconds on my servers?