User guide

Chapter 6 – Managing the RouteFinder Using a Web Browser
Multi-Tech Systems, Inc. RF550VPN User Guide 38
– Virtual Server Settings
To access this screen, click the Virtual Server Settings button on the left side of the screen.
Port Range Mapping: When established, Virtual Server Settings allow clients on the Internet to
access your LAN via the Internet.
The Internal IP Address is the LAN.
The External IP Address is your WAN IP. If this address is dynamically assigned, then enter all zeroes.
You can use the IP mapping function to access an FTP server or Telnet server, etc. on your LAN via
your ISP Internet connection. Port numbers include:
FTP 20,21
Telnet 23
SMTP 25
DNS 53
TFTP 69
HTTP 80
POP3 110
News 144
SNMP 161
SNMP-trap 162
Port Redirection: If you want to route the Internet through the RF550VPN onto a port other than the
port 80h, which is the usual port, follow the example below. This example is reassigning the port to
81h:
· Assign port 80h to the external IP
· Assign port 81h to the internal IP
Click the
Submit button when finished.