Plugin ipt_basic_: convert documentation to perlpod format

plugins/network/ipt_basic_

@@ -1,34 +1,61 @@
 #!/bin/sh
-#$Id: ipt-basic_ 96 2005-10-12 16:54:19Z grin $
-#
-# (C)Copyright Peter grin at grin dot hu Gervai, 2005
-# Released undel GPL v2.
-#
-# Plugin to monitor traffic through iptables.
-# This plugin was designed to monitor FORWARDING interfaces
-# on a router with only one-to-one forwarding (traffic goes into
-# one interface goes out to the other).
-#
-# You can initialise the required iptables by running it manually:
-#
-#   ipt-basic_ initialise
-#
-# You should create two symlinks to this module:
-#   ln -s ipt-basic_ ipt-basic_bytes
-#   ln -s ipt-basic_ ipt-basic_pkts
-#
-# This plugin is based on the ip_ plugin.
-#
-# Revisions:
-#  2006.01.00 - First release.
-#  2006.11.26 - Use -j RETURN in rules, and sort interfaces
-#
-#
-# Magic markers (optional - used by munin-config and some installation
-# scripts):
-#
-#%# family=auto
-#%# capabilities=autoconf
+
+: <<=cut
+
+=head1 NAME
+
+ipt_basic_ - monitor traffic through iptables
+
+
+=head1 APPLICABLE SYSTEMS
+
+This plugin was designed to monitor FORWARDING interfaces
+on a router with only one-to-one forwarding (traffic goes into
+one interface goes out to the other).
+
+
+=head1 CONFIGURATION
+
+You can initialise the required iptables by running it manually:
+
+  ipt-basic_ initialise
+
+You should create two symlinks to this module:
+  ln -s ipt-basic_ ipt-basic_bytes
+  ln -s ipt-basic_ ipt-basic_pkts
+
+This plugin is based on the ip_ plugin.
+
+
+=head1 REVISIONS
+
+=over 4
+
+=item 2006.01.00 - First release.
+
+=item 2006.11.26 - Use -j RETURN in rules, and sort interfaces
+
+=back
+
+
+=head1 AUTHORS
+
+Copyright (C) 2005 Peter Gervai
+
+
+=head1 LICENSE
+
+GNU Library General Public License v2 only
+
+SPDX-License-Identifier: GPL-2.0-only
+
+
+=head1 MAGIC MARKERS
+
+ #%# family=auto
+ #%# capabilities=autoconf
+
+=cut
 
 # ipt_bytes, ipt_pkts
 TYPE=`basename $0 | sed 's/^ipt-basic_//g'`