Napt; Masquerading - NetModule NB800 Series User Manual

NBB-800
User Manual for NRSW version 4.5.0.100

5.5.4. NAPT

This page can be used to configure Network Address and Port Translation (NAPT) for packets travers-
ing the system. NAPT hereby modifies IP addresses or/and TCP/UDP ports in matching IP packets.
By tracking those connections, it will also automatically adjust the returning packets of an IP session.
HOME INTERFACES
Firewall
Administration
Address / Port Groups
Filtering Rules
NAPT

Masquerading

Inbound Rules
Outbound Rules
NetModule Router Simulator
Hostname NB1600
Software Version 4.4.0.103
© 2004-2020, NetModule AG
The administration page lets you specify the interfaces on which masquerading will be performed. NAT
will hereby use the address of the selected interface and choose a random source port for outgoing
connections and thus enables communication between hosts from a private local area network towards
hosts on the public network.
Parameter
Interface
Source address
Source netmask
ROUTING FIREWALL VPN SERVICES
Masquerading
This menu can be used to configure the interfaces on which masquerading will be performed.
Interface Source
WAN ANY
Figure 5.26.: Masquerading
Masqerading Rules
The outgoing interface on which connections will be masqueraded
The source address or network from which matching packets are
masqueraded
The source netmask of the network from which matching packets are
masqueraded
91
SYSTEM
LOGOUT