DSL542EU ADSL Router User’s Manual
5.3.8 Virtual Server
This page displays the settings of virtual server(s). It only visible when routing mode is in use and NAT is enabled. This function allows you to route external (Internet) calls for services such as a web server (port 80), FTP server (port 21), or other applications through your Router to your internal network. Since your internal computers are protected by a firewall, users from the Internet cannot get to them directly because they cannot be seen.
If you need to configure Virtual Server function for a specific application, you will need to contact the application vendor to find out which port settings you need.
ID: It is the ID number corresponding to the Virtual Server configuration.
Virtual Server IP: Virtual Server IP allows you to enter the local IP address for the particular server.
Start Port: Start Port allows you to enter the port number of Public Network (WAN or external network). If you are entering a range of ports, this is the first port.
End Port: End Port represents the last port number in a port range. If you only want one port number (no port range), just enter the same number here as in the Start Port field.
Refer to the
Service | Port |
Echo | 7 |
FTP | 21 |
TELNET | 23 |
SMTP | 25 |
DNS | 53 |
Service | Port |
Finger | 79 |
HTTP | 80 |
POP3 | 110 |
Auth | 113 |
NNTP | 119 |
Service | Port |
SNMP | 161 |
SNMP Trap | 162 |
PPTP | 1723 |
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