client cannot access internet

[cboys00]

can i using tjis command in fedora
iptables -t nat -A FORWARD -s 192.168.1.0/255.255.255.0 -d 0.0.0.0/0.0.0.0 -j MASQUERADE
i had used this command on Redhat.

why i enter this command, the msg is bash: iptables: command not found

my server can access internet, but client cannot.. client can ping my server but cannt pinging DNS through the server, so how.... can someone help?

[Zero-Override]

are you root when you try iptables? or superroot may even be neccesary ("su -")