diff -urN /usr/ports/net-mgmt/jnettop/Makefile ./Makefile
--- /usr/ports/net-mgmt/jnettop/Makefile	2010-12-29 15:04:27.000000000 -0500
+++ ./Makefile	2011-06-20 11:48:51.000000000 -0400
@@ -19,6 +19,8 @@
 USE_GNOME=	glib20
 USE_GMAKE=	yes
 
+LICENSE=	GPLv2
+
 CONFIGURE_ARGS=	--prefix=${PREFIX}
 
 .if defined(WITH_DAG)
diff -urN /usr/ports/net-mgmt/jnettop/files/patch-jresolv.c ./files/patch-jresolv.c
--- /usr/ports/net-mgmt/jnettop/files/patch-jresolv.c	1969-12-31 19:00:00.000000000 -0500
+++ ./files/patch-jresolv.c	2011-06-20 11:48:51.000000000 -0400
@@ -0,0 +1,13 @@
+--- jresolv.c.orig	2006-04-12 03:47:01.000000000 -0400
++++ jresolv.c	2011-06-20 11:37:40.000000000 -0400
+@@ -306,6 +306,10 @@
+ 	case DLT_EN10MB:
+ 		result = resolveStreamEther(packet, data, len, stream, payloads);
+ 		break;
++	case DLT_NULL:
++	case DLT_LOOP:
++		result = resolveStreamIPn(packet, data + 4, len - 4, stream, payloads);
++		break;
+ #ifdef linux
+ #ifdef DLT_LINUX_SLL
+ 	case DLT_LINUX_SLL: