+++ This bug was initially created as a clone of Bug #983198 +++ Description of problem: I was trying to prevent iptables-save from loading kernel modules. I looked at "man iptables-save" which said: SYNOPSIS iptables-save [-M modprobe] [-c] [-t table] -M modprobe_program Specify the path to the modprobe program. By default, iptables-save will inspect /proc/sys/kernel/modprobe to determine the executable’s path. However: # iptables-save -M /dev/null iptables-save: invalid option -- 'M' Unknown arguments found on commandline while iptables-save --help or -h does not work, the binary does seem to show there must me a magic incantation for it, because strings on the binary shows: Usage: %s [-b] [-c] [-v] [-t] [-h] [ --binary ] [ --counters ] [ --verbose ] [ --test ] [ --help ] [ --noflush ] [ --table=<TABLE> ] [ --modprobe=<command>] Version-Release number of selected component (if applicable): iptables-1.4.7-9.el6.x86_64 And indeed, --modprobe= seems to work as expected. So there is a problem between the documented arguments and the actual arguments, possible induced by /sbin/iptables-save being an "/etc/alternative" link to /sbin/iptables-save-1.4.7 I'm not sure if the bug should be "fix the man page" or "fix the binary/link". but if people were used to -M and now need --modprobe, perhaps iptables-save should allow for both now. --- Additional comment from Paul Wouters on 2013-07-10 13:00:41 EDT --- note that "iptables-save --help" or iptables-save -h" should also be fixed. --- Additional comment from RHEL Product and Program Management on 2013-07-10 13:01:23 EDT --- Since this bug report was entered in bugzilla, the release flag has been set to ? to ensure that it is properly evaluated for this release.
This bug appears to have been reported against 'rawhide' during the Fedora 20 development cycle. Changing version to '20'. More information and reason for this action is here: https://fedoraproject.org/wiki/BugZappers/HouseKeeping/Fedora20
Fixed upstream: https://git.netfilter.org/iptables/commit/?id=d25f308e54730677698d93f29ca4630e25237935
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