--- /dev/null
+Index: linux-2.6.23-rc6/net/netfilter/Kconfig
+===================================================================
+--- linux-2.6.23-rc6.orig/net/netfilter/Kconfig 2007-09-21 16:24:03.000000000 +0800
++++ linux-2.6.23-rc6/net/netfilter/Kconfig 2007-09-21 16:24:04.000000000 +0800
+@@ -143,7 +143,7 @@
+
+ config NF_CONNTRACK_H323
+ tristate "H.323 protocol support (EXPERIMENTAL)"
+- depends on EXPERIMENTAL && NF_CONNTRACK && (IPV6 || IPV6=n)
++ depends on EXPERIMENTAL && NF_CONNTRACK
+ help
+ H.323 is a VoIP signalling protocol from ITU-T. As one of the most
+ important VoIP protocols, it is widely used by voice hardware and
+@@ -403,7 +403,7 @@
+
+ config NETFILTER_XT_TARGET_TCPMSS
+ tristate '"TCPMSS" target support'
+- depends on NETFILTER_XTABLES && (IPV6 || IPV6=n)
++ depends on NETFILTER_XTABLES
+ ---help---
+ This option adds a `TCPMSS' target, which allows you to alter the
+ MSS value of TCP SYN packets, to control the maximum size for that