Nat - AOpen AOI-906 User Manual

2.5 NAT

Network Address Translation (NAT) allows multiple users at your local site to access the Internet
through a single Public IP Address or multiple Public IP Addresses. NAT provides Firewall
protection from hacker attacks and has the flexibility to allow you to map Private IP Addresses to
Public IP Addresses for key services such as Websites and FTP.
Parameter
2.5.1 Port Forwarding
2.5.2 Virtual Server
2.5.3 Special Applications
2.5.4 ALG Setting
Description
You can have different services (e.g. email, FTP, Web
etc.) going to different service servers/clients in your
LAN. The Port Forwarding allows you to re-direct a
particular range of service port numbers (from the
Internet/WAN Ports) to a particular LAN IP address.
You can have different services (e.g. email, FTP, Web
etc.) going to different service servers/clients in your
LAN. The Virtual Server allows you to re-direct a
particular service port number (from the Internet/WAN
Port) to a particular LAN IP address and its service port
number.
Some applications require multiple connections, such as
Internet games, video conferencing, Internet telephony
and others. In this section you can configure the router
to support these types of applications.
You can select special applications that need
"Application Layer Gateway " to support here.
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