Linux and IP forwarding

I installed a linux machine with a IP masquerading firewall (Suse with 2.2 kernel). I understand the best way to use ip-forwarding is ipportfw but I don't have this program. Can anybody tell me how to get this and how to install. Or is it better to install redhat 6.1??

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With a 2.2 kernel, you need the ipmasqadm package. Get it at
Port forwarding is done with "ipmasqadm portfw". Be sure to compile your kernel with ip masquerading support, and to load the portfw module (/sbin/modprobe ip_masq_portfw). Good luck...

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evertdAuthor Commented:
I installed it. But when U yse

ipmasqadm portfw -a -P tcp -L mylocaladdress 80 -R mywwwserver 80

it doesn't work.
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