User`s manual

IA260-261-262 EM-2260 LX User’s Manual Managing Communications
The following figure shows the IPTABLES hierarchy.
Incoming
Packets
Mangle Table
PREROUTING Chain
NAT Table
PREROUTING Chain
Other Host
Packets
Mangle Table
FORWARD Chain
Filter Table
FORWARD Chain
Local Host
Packets
Mangle Table
INPUT Chain
Filter Table
INPUT Chain
Local
Process
Mangle Table
OUTPUT Chain
NAT Table
OUTPUT Chain
Filter Table
OUTPUT Chain
Mangle Table
POSTROUTING Chain
NAT Table
POSTROUTING Chain
Outgoing
Packets
4-8