-diff -Nur iptables.old/extensions/libxt_layer7.c iptables.new/extensions/libxt_layer7.c
---- iptables.old/extensions/libxt_layer7.c 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.new/extensions/libxt_layer7.c 2008-08-22 16:00:52.000000000 +0200
+diff -Nur a/libxt_layer7.c b/libxt_layer7.c
+--- a/libxt_layer7.c 1970-01-01 01:00:00.000000000 +0100
++++ b/libxt_layer7.c 2008-08-22 16:00:52.000000000 +0200
@@ -0,0 +1,368 @@
+/*
+ Shared library add-on to iptables for layer 7 matching support.
+{
+ xtables_register_match(&layer7);
+}
-diff -Nur iptables.old/extensions/libxt_layer7.man iptables.new/extensions/libxt_layer7.man
---- iptables.old/extensions/libxt_layer7.man 1970-01-01 01:00:00.000000000 +0100
-+++ iptables.new/extensions/libxt_layer7.man 2008-08-22 16:00:52.000000000 +0200
+diff -Nur a/libxt_layer7.man b/libxt_layer7.man
+--- a/libxt_layer7.man 1970-01-01 01:00:00.000000000 +0100
++++ b/libxt_layer7.man 2008-08-22 16:00:52.000000000 +0200
@@ -0,0 +1,14 @@
+This module matches packets based on the application layer data of
+their connections. It uses regular expression matching to compare