>Does any have try to use ipportfw with RedHat 5.1?
>
>It keeps complains:
>
>ipfwadm: setsockopt failed: Protocol not available
>
>when I just used "ipportfw -C".


You need to patch the kernel sources for IPPORTFW and 
then re-compile the kernel.

Check out the following link for all the IPPORTFW 
details:

        http://www.ox.compsoc.org.uk/~steve/portforwarding.html

To compile a kernel, follow the KERNEL HOWTO or 
read my doc:

        http://www.ecst.csuchico.edu/~dranch/LINUX/TrinityOS.wri

--David 
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|  David A. Ranch - Remote Access/Linux/PC hardware      [EMAIL PROTECTED]  |
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