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Problem in registering new netfilter target module

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Old 11-09-2005
Problem in registering new netfilter target module
Friends I'm facing a big problem trying to extend the netfilter. Somone please help me with your quick reply (any hint) as I've to meet a deadline.

My problem is that I've written a new netfilter target module and its corresponding userspace program for iptables to change the packet type of a packet. I compiled the iptables and kernel without any error and installed this new kernel (with newly compiled parameters) in my boot partition.

Next when I booted into this kernel and tried using this target it gives error "invalid argument" which I think is coming because the target module is not geting loaded (as on failure it returns EINVAL).

Now can anyone tell me what may b the problem.
I think I can summarise my problem as what can b pozbl. reasons for which any kernel module not get registered.
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LEARN ABOUT DEBIAN

lire::firewall::iptablesdlfconverter

IptablesDlfConverter(3pm)				  LogReport's Lire Documentation				 IptablesDlfConverter(3pm)

NAME

       IptablesDlfConverter - convert netfilter/iptables syslog logs to firewall DLF

DESCRIPTION

       IptablesDlfConverter converts Linux 2.4 iptables packet log into firewall DLF format.

LIMITATIONS

       The netfilter logging modules don't log the status of the packet (drop, accept, reject) like the ipchains logging code. You can specify a
       prefix that will be used in the log. This converter will mark the packet as 'denied' whenever that prefix matches (case insensitive) the
       following regex: 'denied|deny|drop|reject|unallowed', it will mark the packet as 'permitted' whenever that prefix matches (case
       insensitive) the following regex: 'accept|permit', and all other packets will have '-' as the value of the 'action' field.

       So in order for this converter to detect 'denied' packets, you should use a prefix containing one of those substrings.

       For example:

	iptables -N lodrop
	iptables -A logdrop -j LOG --log-prefix "Packet-DENY: "
	iptables -A logdrop -j DROP

       or other similar prefixes: 'denied: ', 'Packet-REJECT: ', ...

       The prefix used will end up in the 'rule' field of the DLF record.

EXAMPLES

       IptablesDlfConvertor will be rarely used on its own, but is more likely called by lr_log2report:

	$ lr_log2report iptables < /var/log/iptables.log > report

SEE ALSO

       The Netfilter webpage at http://netfilter.samba.org/ .

AUTHORS

       Francis J. Lacoste <flacoste@logreport.org>

VERSION

       $Id: IptablesDlfConverter.pm,v 1.12 2006/07/23 13:16:35 vanbaal Exp $

COPYRIGHT

       Copyright (C) 2001, 2002, 2003, 2004 Stichting LogReport Foundation LogReport@LogReport.org

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with
       http://www.gnu.org/copyleft/gpl.html.

Lire 2.1.1							    2006-07-23						 IptablesDlfConverter(3pm)