ilimit problem

[HareRam" <hareram@xxxxxxxxxx (HareRam)]

Hi all

iam trying to use iplimit in iptables, iam getting the below problem
can any one help what is the caused problem

[root@cache root]# iptables -A INPUT -p tcp --syn --dport http -m
iplimit --iplimit-above 4 -j REJECT
iptables: No chain/target/match by that name


thanks in advanced

hare