-diff -urN iptables.old/extensions/.layer7-test iptables.dev/extensions/.layer7-test
---- iptables.old/extensions/.layer7-test 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.dev/extensions/.layer7-test 2005-11-10 16:57:51.819381000 +0100
+Index: iptables-1.3.7/extensions/.layer7-test
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ iptables-1.3.7/extensions/.layer7-test 2007-06-04 13:21:43.708331992 +0200
@@ -0,0 +1,2 @@
+#! /bin/sh
+[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_layer7.h ] && echo layer7
-diff -urN iptables.old/extensions/ipt_layer7.h iptables.dev/extensions/ipt_layer7.h
---- iptables.old/extensions/ipt_layer7.h 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.dev/extensions/ipt_layer7.h 2005-11-10 17:46:32.933599750 +0100
+Index: iptables-1.3.7/extensions/ipt_layer7.h
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ iptables-1.3.7/extensions/ipt_layer7.h 2007-06-04 13:21:43.708331992 +0200
@@ -0,0 +1,27 @@
+/*
+ By Matthew Strait <quadong@users.sf.net>, Dec 2003.
+};
+
+#endif /* _IPT_LAYER7_H */
-diff -urN iptables.old/extensions/libipt_layer7.c iptables.dev/extensions/libipt_layer7.c
---- iptables.old/extensions/libipt_layer7.c 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.dev/extensions/libipt_layer7.c 2005-11-10 17:47:01.399378750 +0100
+Index: iptables-1.3.7/extensions/libipt_layer7.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ iptables-1.3.7/extensions/libipt_layer7.c 2007-06-04 13:21:43.709331840 +0200
@@ -0,0 +1,358 @@
+/*
+ Shared library add-on to iptables to add layer 7 matching support.
+{
+ register_match(&layer7);
+}
-diff -urN iptables.old/extensions/libipt_layer7.man iptables.dev/extensions/libipt_layer7.man
---- iptables.old/extensions/libipt_layer7.man 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.dev/extensions/libipt_layer7.man 2005-11-10 16:57:51.823381250 +0100
+Index: iptables-1.3.7/extensions/libipt_layer7.man
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ iptables-1.3.7/extensions/libipt_layer7.man 2007-06-04 13:21:43.709331840 +0200
@@ -0,0 +1,13 @@
+This module matches packets based on the application layer data of
+their connections. It uses regular expression matching to compare