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Page 52 NB1300Plus4 ADSL Modem
Advanced
Port Forwarding
The Port Forwarding Configuration page allows the user to set the configuration for Port
Forwarding. By default all UDP/TCP ports are protected from intrusion. If any specific local
PCs need to be mapped to the UDP/TCP port on WAN side, please input the mappings here.
Public Port: This field allows the user to enter the port number of the Public Network.
Private Port: This field allows the user to enter the port number of the Private Network.
Note: In most cases, the private port number is same as public port number.
Host IP Address: This field allows the user to enter the private network IP address for the
particular server.
Well Known Ports:
Port Protocol
21 FTP
23 Telnet
25 SMTP
43 Whois
53 DNS
69 TFTP
70 Gopher
79 Finger
80 HTTP
110 POP3
115 SFTP
161 SNMP
162 SNMP traps