ZyXEL p-660hwp Guia Do Utilizador
Chapter 9 Network Address Translation (NAT)
P-660HWP-Dx User’s Guide
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9.5.3 Configuring Servers Behind Port Forwarding (Example)
Let's say you want to assign ports 21-25 to one FTP, Telnet and SMTP server (A in the
example), port 80 to another (B in the example) and assign a default server IP address of
192.168.1.35 to a third (C in the example). You assign the LAN IP addresses and the ISP
assigns the WAN IP address. The NAT network appears as a single host on the Internet.
example), port 80 to another (B in the example) and assign a default server IP address of
192.168.1.35 to a third (C in the example). You assign the LAN IP addresses and the ISP
assigns the WAN IP address. The NAT network appears as a single host on the Internet.
Figure 87 Multiple Servers Behind NAT Example
9.6 Configuring Port Forwarding
"
The Port Forwarding screen is available only when you select SUA Only in the
NAT > General screen.
NAT > General screen.
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If you do not assign a Default Server IP address, the P-660HWP-Dx discards all
packets received for ports that are not specified here or in the remote
management setup.
packets received for ports that are not specified here or in the remote
management setup.
Click Network > NAT > Port Forwarding to open the following screen.
See
See
for port numbers commonly used for particular services.
SNMP trap
162
PPTP (Point-to-Point Tunneling Protocol)
1723
Table 50 Services and Port Numbers
SERVICES
PORT NUMBER