diff -urN /usr/ports/net-mgmt/nat/Makefile net-mgmt/nat/Makefile
--- /usr/ports/net-mgmt/nat/Makefile	2008-01-04 03:21:57.000000000 +0900
+++ net-mgmt/nat/Makefile	2012-09-25 03:39:29.000000000 +0900
@@ -1,32 +1,34 @@
-# Ports collection makefile for:  nat
-# Date created:			  May 24 2001
-# Whom:				  Roman Shterenzon <roman@xpert.com>
-#
+# Created by: Roman Shterenzon <roman@xpert.com>
 # $FreeBSD: ports/net-mgmt/nat/Makefile,v 1.8 2008/01/03 18:21:57 erwin Exp $
-#
 
 PORTNAME=	nat
 PORTVERSION=	20
 CATEGORIES=	net-mgmt security
 MASTER_SITES=	http://www.tux.org/pub/security/secnet/tools/nat20beta/ \
-		ftp://ftp.cert.dfn.de/pub/tools/net-mgmt/nat/nat20beta/ \
-		ftp://ftp.spin.ad.jp/pub/Security/nat/nat20beta/
+		http://apache.uasw.edu/pub/security/dfn-cert/tools/net/nat/
 DISTNAME=	${PORTNAME}${PORTVERSION}.freebsd
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	NetBIOS auditing tool
 
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
 RESTRICTED=	Redistribution prohibited by the license
 
+IA32_BINARY_PORT=yes
+
 NO_BUILD=	yes
-WRKSRC=		${WRKDIR}
+NO_WRKSUBDIR=	yes
+
 MAN1=		nat.1
+PLIST_FILES=	bin/nat %%DATADIR%%/passlist.txt %%DATADIR%%/userlist.txt
+PLIST_DIRS=	%%DATADIR%%
 
 do-install:
-		${INSTALL_SCRIPT} ${WRKSRC}/nat ${LOCALBASE}/bin
-		${INSTALL_MAN} ${WRKSRC}/nat.1 ${LOCALBASE}/man/man1
-		${MKDIR} ${LOCALBASE}/share/nat
-		${INSTALL_DATA} ${WRKSRC}/passlist.txt ${LOCALBASE}/share/nat
-		${INSTALL_DATA} ${WRKSRC}/userlist.txt ${LOCALBASE}/share/nat
+	${INSTALL_SCRIPT} ${WRKSRC}/nat ${PREFIX}/bin
+	${INSTALL_MAN} ${WRKSRC}/nat.1 ${MANPREFIX}/man/man1
+	@${MKDIR} ${DATADIR}
+	${INSTALL_DATA} ${WRKSRC}/passlist.txt ${DATADIR}
+	${INSTALL_DATA} ${WRKSRC}/userlist.txt ${DATADIR}
 
 .include <bsd.port.mk>
diff -urN /usr/ports/net-mgmt/nat/pkg-plist net-mgmt/nat/pkg-plist
--- /usr/ports/net-mgmt/nat/pkg-plist	2001-05-30 11:26:39.000000000 +0900
+++ net-mgmt/nat/pkg-plist	1970-01-01 09:00:00.000000000 +0900
@@ -1,4 +0,0 @@
-bin/nat
-share/nat/passlist.txt
-share/nat/userlist.txt
-@dirrm share/nat