If you want to compile it as a module, say M here and read
<file:Documentation/modules.txt>. If unsure, say `N'.
+config NETFILTER_XT_MATCH_ESP
+ tristate '"ESP" match support'
+ depends on NETFILTER_XTABLES
+ help
+ This match extension allows you to match a range of SPIs
+ inside ESP header of IPSec packets.
+
+ To compile it as a module, choose M here. If unsure, say N.
+
config NETFILTER_XT_MATCH_HELPER
tristate '"helper" match support'
depends on NETFILTER_XTABLES
To compile it as a module, choose M here. If unsure, say N.
+config NETFILTER_XT_MATCH_MULTIPORT
+ tristate "Multiple port match support"
+ depends on NETFILTER_XTABLES
+ help
+ Multiport matching allows you to match TCP or UDP packets based on
+ a series of source or destination ports: normally a rule can only
+ match a single range of ports.
+
+ To compile it as a module, choose M here. If unsure, say N.
+
config NETFILTER_XT_MATCH_PHYSDEV
tristate '"physdev" match support'
depends on NETFILTER_XTABLES && BRIDGE_NETFILTER