Bug 983200 - iptables-save man page completely wrong - which conflicting arguments should work?
iptables-save man page completely wrong - which conflicting arguments should ...
Product: Fedora
Classification: Fedora
Component: iptables (Show other bugs)
Unspecified Unspecified
unspecified Severity low
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Assigned To: Thomas Woerner
Fedora Extras Quality Assurance
Depends On: 983198
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Reported: 2013-07-10 13:03 EDT by Paul Wouters
Modified: 2015-06-29 21:18 EDT (History)
3 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 983198
Last Closed: 2015-06-29 21:18:36 EDT
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Paul Wouters 2013-07-10 13:03:54 EDT
+++ 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:

       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.

# 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):

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.
Comment 1 Fedora End Of Life 2013-09-16 10:28:43 EDT
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:
Comment 3 Fedora End Of Life 2015-05-29 05:10:14 EDT
This message is a reminder that Fedora 20 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
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Comment 4 Fedora End Of Life 2015-06-29 21:18:36 EDT
Fedora 20 changed to end-of-life (EOL) status on 2015-06-23. Fedora 20 is
no longer maintained, which means that it will not receive any further
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