Netfilter Components


Kernel Modules
ipfwadm.o:		ipfwadm compatibility
ipchains.o:		ipchains compatibility
ip_tables.o:		iptables support.
iptable_*:		iptables tablespaces
ipt_*:			iptables targets and criteria
ip_conntrack.o:	Connection Tracking
Required for Stateful Inspection and NAT
ip_conntrack_*:	Protocol Specific Connection Tracking
ip_nat_*:		Protocol Specific NAT Support.

Userspace Utilities
iptables
iptables "plugins"