Found another MASTER_SITE, and upgraded the version, unbroked the port

net/firewalk/Makefile

@@ -3,20 +3,24 @@
 # Date created:		1998-Jan-16
 # Whom:			dugsong@OpenBSD.ORG
 #
-# $OpenBSD: Makefile,v 1.3 1999/03/10 04:51:32 marc Exp $
+# $OpenBSD: Makefile,v 1.4 1999/03/27 12:24:00 niklas Exp $
 #
 
-PKGNAME=		firewalk-0.7
-DISTNAME=		firewalk-final-0.7
+PKGNAME=		firewalk-0.7c
+DISTNAME=		firewalk-final-0.7c
 CATEGORIES=     	net
 
-BROKEN=			"es2.net nameserver(s) not working"
 MIRROR_DISTFILE=	no
 
-MASTER_SITES=		http://www.es2.net/research/firewalk/
+# www.es2.net does not resolve
+#MASTER_SITES=		http://www.es2.net/research/firewalk/
+MASTER_SITES=		ftp://ftp.technotronic.com/unix/security-tools/
 
 MAINTAINER=		dugsong@monkey.org
 
+# Due to 0.7c is named as .gz, but really was uncompressed!
+EXTRACT_ARGS=		-xf
+
 GNU_CONFIGURE=		yes
 
 WRKSRC=			${WRKDIR}/Firewalk

net/firewalk/files/md5

@@ -1 +1,3 @@
-MD5 (firewalk-final-0.7.tar.gz) = 3bbede94e508e1aea3141462d846c5fa
+SHA1 (firewalk-final-0.7c.tar.gz) = 728c8c12e86b3f21f326b6df49e71099ee44bc5d
+RMD160 (firewalk-final-0.7c.tar.gz) = e89726261bcbd8d736363138bb75147522309b82
+MD5 (firewalk-final-0.7c.tar.gz) = 1cccf67c28ac303c11cec17ee45aaeb8

net/firewalk/patches/patch-ab

@@ -0,0 +1,10 @@
+--- ifaddrlist.c.orig	Fri Oct 16 19:50:49 1998
++++ ifaddrlist.c	Sat Mar 27 13:00:14 1999
+@@ -46,7 +46,6 @@
+ struct rtentry;
+ #endif
+ 
+-#include <net/if.h>
+ #include <netinet/in.h>
+ 
+ #include <ctype.h>