3Com 3CR858-91 Network Router User Manual


 
Firewall 57
Figure 36 Virtual Server - Add/Edit Screen
3 Enter the IP address of the internal machine in the LAN IP Address text
box.
4 Select a protocol type (TCP, UDP or both) from the Protocol Type
drop-down list.
5 Enter the LAN Port which the traffic will be routed to in the LAN Port text
box.
6 Enter the Public port that will be seen by clients on the Internet in the
Public Port text box.
7 Check the Enable check box to activate this Virtual Server.
8 Click Apply to save this Virtual Server entry.
Client IP Filters This sub-menu option displays three tabs along the top of the main
screen: Access Control, URL Filter, and Schedule Rule. Each of these tabs
displays a screen that enables you to configure a client IP filter function.
Access Control
Access Control allows you to define the types of traffic permitted or not
permitted to and from the Internet.