Filter
Top Products
16
Apply — Click “Apply,” then “Save” to set and save any changes.
3.5.3 Virtual Server Setup
This screen lets you specify some services to be visible by outside users. The router can
detect an incoming service request and forward it to the specic local computer to handle it.
For example, a user can assign a PC in the LAN to act as a Web server inside and expose it
to the outside network. An outside user can browse inside the Web server directly while it is
protected by NAT.
Rule Name — Enter a description of this setting for identication.
Internal Server IP Address — This is the LAN client/host IP address that the external port
number packet will be sent to.
Protocol — Select a protocol type from the drop-down menu: TCP, UDP, FTP, HTTP, HTTPS,
POP3, SMTP, DNS, TELNET, IPSEC, PPTP.
External Port — This is the port number that is open to the outside (public) Internet.
Internal Port — This is the internal PC port (in most cases, this is identical to the external port.
Add — Click after lling in the elds to add the rule and display the Current Virtual Server Table,
which shows the valid virtual servers in the router. To remove a listing from the table, select it
and click “Delete.”
Apply — Click “Apply,” then “Save” to set and save any changes.
3.5.4 Port Triggering
This screen allows the router to watch outgoing data for specic port numbers. The IP address
of the computer that sends the matching data is remembered by the router so that when the
requested data returns through the router the data is pulled back to the proper computer by
way of IP address and port mapping rules.
Predened Trigger Rules — Select one of the predened rules from the drop-down menu.
Rule Name — Enter any name you want to use for identication.
Trigger Protocol — Select either “TCP” or “UDP” as the outbound port protocol.
Trigger Port — This is the out going (outbound) range of port numbers for this particular
application. NOTE: Individual port numbers are separated by a comma (e.g., 47824, 5776).
To input a port range, use a hyphen to separate the two port numbers (e.g., 3300-3800).