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Description of problem:
Trying to use:

     iptables -A OUTPUT -m owner --gid-owner 513 -j REJECT

Yields:

iptables: Invalid argument

Under iptables v1.2.5 (on Enterprise Edition of RH)the line above is
syntactically correct.  I know because I typed the line out and the command was
accepted.  Also, I can see the rule appear on the OUPUT chain (when I type
"iptables -L")


When typing "iptables -A OUTPUT -m owner --gid-owner" I get the error listed on
the summary line.

Something has changed the funtionallity of iptables.  An seldom used version of
RedHat (Dual boot) yields the same error.

Version-Release number of selected component (if applicable):
See summary

How reproducible:
Always

Steps to Reproduce:
1.iptables -A OUTPUT -m owner --gid-owner 513 -j REJECT
2.<return and/or enter>
3.
    

Actual Results:  iptables: Invalid argument

Expected Results:  No error.

iptables -L should list a new rule in the OUTPUT Chain.

Additional info:

When originally building this machine, the command in question worked. However,
suspect one of the updates (from up2date) has changed something in iptables.

Suspect a kernel update, or a changed to iptables.

I have a serious need to block members of a certain group from having
access outside the box.