http://dominia.org/djao/limit/win32/mod_ipconn.zip

httpd.conf
LoadModule status_module modules/mod_status.so
ExtendedStatus On
LoadModule limitipconn_module modules/mod_limitipconn.dll

<IfModule mod_limitipconn.c>
<Location />
MaxConnPerIP 3
NoIPLimit images/*
</Location>
<Location /mp3>
MaxConnPerIP 1
OnlyIPLimit audio/mpeg video
</Location>
</IfModule>

cd /usr/src
wget http://dominia.org/djao/limit/mod_li…nn-0.04.tar.gz
tar xzvf mod_limitipconn-0.04.tar.gz
cd mod_limitipconn-0.04

pico Makefile
find the line that reads APXS=apxs[/b]
change that to 
APXS=/usr/local/apache/bin/apxs

press cntrl O to save
then cntrl X 

// if your locations to apxs is different
locate apxs and copy the path
then paste that in
//

make
make install

service httpd restart

pico -w /etc/httpd/conf/httpd.conf

locate ExtendedStatus
Make sure ExtendedStatus is on and without the comment at the start

and add this line to every virtual directory you want to limit
or add it once to the main directory to limit all

<IfModule mod_limitipconn.c>
<Location /somewhere>
MaxConnPerIP 3
# exempting images from the connection limit is often a good
# idea if your web page has lots of inline images, since these
# pages often generate a flurry of concurrent image requests
NoIPLimit image/*
</Location>

<Location /mp3>
MaxConnPerIP 1
# In this case, all MIME types other than audio/mpeg and video*
# are exempt from the limit check
OnlyIPLimit audio/mpeg video
</Location>
</IfModule>

press cntrl O to save
then cntrl X 
then service httpd restart