diff -ru ndpmon.orig/Makefile ndpmon/Makefile
--- ndpmon.orig/Makefile	2013-04-02 17:49:51.000000000 +0200
+++ ndpmon/Makefile	2013-06-13 14:29:52.000000000 +0200
@@ -3,7 +3,7 @@
 
 PORTNAME=	ndpmon
 PORTVERSION=	1.4.0
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	net-mgmt ipv6
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-1.4/
 EXTRACT_SUFX=	.tgz
@@ -18,7 +18,7 @@
 OPTIONS_DEFAULT=	
 
 PY4SUITE_DESC=		Depend on py-4suite-xml (for generating HTML)
-MACRESOLV_DESC=		Enable MAC Manufacturer Resolution
+MACRESOLV_DESC=		Enable MAC Manufacturer Resolution (use p5-libwww)
 
 .include <bsd.port.options.mk>
 
@@ -45,8 +45,11 @@
 
 .if ${PORT_OPTIONS:MMACRESOLV}
 CONFIGURE_ARGS+=--enable-mac-resolv
+BUILD_DEPENDS+=	p5-libwww>=6.05:${PORTSDIR}/www/p5-libwww
+RUN_DEPENDS+=	p5-libwww>=6.05:${PORTSDIR}/www/p5-libwww
+PLIST_SUB+=	MACRESOLV=""
 .else
-CONFIGURE_ARGS+=--disable-mac-resolv
+PLIST_SUB+=	MACRESOLV="@comment "
 .endif
 
 post-patch:
@@ -69,6 +72,12 @@
 .if ${PORT_OPTIONS:MPY4SUITE}
 	${INSTALL_SCRIPT} ${WRKSRC}/create_html_table.py ${DATADIR}
 .endif
+.if ${PORT_OPTIONS:MMACRESOLV}
+	${MKDIR} ${DATADIR}/plugins/mac_resolv
+	${INSTALL_SCRIPT} ${WRKSRC}/plugins/mac_resolv/make-manuf ${DATADIR}/plugins/mac_resolv
+	${INSTALL_DATA} ${WRKSRC}/plugins/mac_resolv/*.tmpl ${DATADIR}/plugins/mac_resolv
+	${INSTALL_DATA} ${WRKSRC}/plugins/mac_resolv/manuf ${DATADIR}/plugins/mac_resolv
+.endif
 
 	${MKDIR} ${ETCDIR}
 	${INSTALL_DATA} ${WRKSRC}/config_ndpmon.xml ${ETCDIR}/config_ndpmon.xml-dist
@@ -81,5 +90,8 @@
 	${MKDIR} ${DOCSDIR}
 	cd ${WRKSRC} && ${INSTALL_DATA} ${PORTDOCS} ${DOCSDIR}
 .endif
+.if ${PORT_OPTIONS:MMACRESOLV}
+	@${CAT} ${PKGMESSAGE}.MACRESOLV
+.endif
 
 .include <bsd.port.mk>
diff -ru ndpmon.orig/files/patch-config__ndpmon.xml.in ndpmon/files/patch-config__ndpmon.xml.in
--- ndpmon.orig/files/patch-config__ndpmon.xml.in	2013-04-02 17:49:51.000000000 +0200
+++ ndpmon/files/patch-config__ndpmon.xml.in	2013-06-10 00:42:02.000000000 +0200
@@ -1,8 +1,13 @@
-
-$FreeBSD: head/net-mgmt/ndpmon/files/patch-config__ndpmon.xml.in 300897 2012-07-14 14:29:18Z beat $
-
---- config_ndpmon.xml.in.orig
-+++ config_ndpmon.xml.in
+--- config_ndpmon.xml.in.orig	2009-08-13 11:22:21.000000000 +0200
++++ config_ndpmon.xml.in	2013-06-10 00:36:17.000000000 +0200
+@@ -1,6 +1,6 @@
+ <?xml version="1.0" encoding="ISO-8859-1"?>
+ <?xml-stylesheet type="text/xsl" href="config.xsl" ?>
+-<!DOCTYPE config_ndpmon SYSTEM "@CONFDIR@/ndpmon/config_ndpmon.dtd">
++<!DOCTYPE config_ndpmon SYSTEM "%%PREFIX%%/share/ndpmon/config_ndpmon.dtd">
+ <config_ndpmon>
+ 	<ignor_autoconf>1</ignor_autoconf>
+ 	<syslog_facility>LOG_LOCAL1</syslog_facility>
 @@ -8,12 +8,12 @@
          <actions_low_pri>
              <sendmail>1</sendmail>
diff -ru ndpmon.orig/files/patch-ndpmon__defs.h.in ndpmon/files/patch-ndpmon__defs.h.in
--- ndpmon.orig/files/patch-ndpmon__defs.h.in	2013-04-02 17:49:51.000000000 +0200
+++ ndpmon/files/patch-ndpmon__defs.h.in	2013-06-09 22:25:49.000000000 +0200
@@ -1,13 +1,12 @@
-
-$FreeBSD: head/net-mgmt/ndpmon/files/patch-ndpmon__defs.h.in 300897 2012-07-14 14:29:18Z beat $
-
---- ndpmon_defs.h.in.orig
-+++ ndpmon_defs.h.in
-@@ -10,11 +10,11 @@
+--- ndpmon_defs.h.in.orig	2009-08-13 11:22:21.000000000 +0200
++++ ndpmon_defs.h.in	2013-06-09 22:25:30.000000000 +0200
+@@ -9,12 +9,12 @@
+ #include "./plugins/mac_resolv/mac_resolv.h"
  #endif
  
- #define _CONFIG_PATH_ "@CONFDIR@/ndpmon/config_ndpmon.xml"
+-#define _CONFIG_PATH_ "@CONFDIR@/ndpmon/config_ndpmon.xml"
 -#define _CONFIG_DTD_PATH_ "@CONFDIR@/ndpmon/config_ndpmon.dtd"
++#define _CONFIG_PATH_ "@prefix@/etc/ndpmon/config_ndpmon.xml"
 +#define _CONFIG_DTD_PATH_ "@prefix@/share/ndpmon/config_ndpmon.dtd"
  #define _CACHE_PATH_ "@VARDATADIR@/ndpmon/neighbor_list.xml"
 -#define _CACHE_DTD_PATH_ "@VARDATADIR@/ndpmon/neighbor_list.dtd"
diff -ru ndpmon.orig/pkg-message.MACRESOLV ndpmon/pkg-message.MACRESOLV
--- ndpmon.orig/pkg-message.MACRESOLV	2013-06-10 21:40:33.000000000 +0200
+++ ndpmon/pkg-message.MACRESOLV	2013-06-10 00:28:23.000000000 +0200
@@ -0,0 +1,10 @@
+
+*****************************************************************
+*                                                               *
+*  To update to local MAC database run the following commands:  *
+*                                                               *
+*  cd /usr/local/share/ndpmon/plugins/mac_resolv/               *
+*  ./make-manuf                                                 *
+*  /usr/local/etc/rc.d/ndpmonitor restart                       *
+*                                                               *
+*****************************************************************
diff -ru ndpmon.orig/pkg-plist ndpmon/pkg-plist
--- ndpmon.orig/pkg-plist	2013-04-02 17:49:51.000000000 +0200
+++ ndpmon/pkg-plist	2013-06-09 23:29:31.000000000 +0200
@@ -4,8 +4,14 @@
 %%DATADIR%%/demopipeprogram.pl.sample
 %%DATADIR%%/neighbor_list.dtd
 %%PY%%%%DATADIR%%/create_html_table.py
+%%MACRESOLV%%%%DATADIR%%/plugins/mac_resolv/make-manuf
+%%MACRESOLV%%%%DATADIR%%/plugins/mac_resolv/manuf.tmpl
+%%MACRESOLV%%%%DATADIR%%/plugins/mac_resolv/wka.tmpl
+%%MACRESOLV%%%%DATADIR%%/plugins/mac_resolv/manuf
 var/ndpmon/neighbor_list.xml
 @dirrmtry var/ndpmon
 @dirrmtry var
+@dirrmtry %%DATADIR%%/plugins/mac_resolv
+@dirrmtry %%DATADIR%%/plugins
 @dirrmtry %%DATADIR%%
 @dirrmtry %%ETCDIR%%