navaneethg@comcast.net (Navaneeth) writes:
> Recently I've noticed that a few of the visitors to my website are
> using download accelerators that open up multiple socket connections
> that result in an overall slowness of the server.

Actually lots of browsers do that, and have a settable parameter for
the number of connections.

> Is there any way to control the number of simultaneous connections
> that can be open by a client browser to the apache httpd server?
> Any other help in this regard is appreciated.

More likely, you want to control bandwidth, not number of connections.
See mod_throttle.