EnGenius ESR-9850 User Manual download pdf (Page 54)

8. Advanced

8.1. Network Address Translation (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. Select

Disable to disable the NAT function.

8.2. - Port Mapping

Port Mapping allows you to re-direct a particular range of service port numbers (from the

Internet / WAN Port) to a particular LAN IP address. It helps you to host servers behind the

router NAT firewall.

Enable Port Mapping: Enable or disable port mapping function.

Description: description of this setting.

Local IP: This is the local IP of the server behind the NAT firewall.

Type: This is the protocol type to be forwarded. You can choose to forward “TCP” or “UDP”

packets only, or select “BOTH” to forward both “TCP” and “UDP” packets.

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EnGenius ESR-9850 User Manual Page 54