HTTP Blog

At this time, there are quite a few modules available that will stop traffic leech and limit simultaneous connections, bandwidth based on files, virtual host and so on.

mod_bw
Apache 2 (also available for Windows platform):

http://www.ivn.cl/apache/

mod_cband (Apache2):

http://cband.linux.pl/

mod_bandwidth

http://www.cohprog.com/v3/bandwidth/doc-en.html#