147 
 
 
---End 
Verification 
Employees on business travel can access the intranet resources by accessing ftp://202.105.106.55 and entering 
the account and password. 
 
 
The external port covered by the port forwarding rule cannot be identical with the port for remote management. 
Otherwise, a conflict occurs and port forwarding fails. 
 
Internet users can access the corresponding intranet server by accessing Protocal:// Current IP address of the WAN 
port: External port after the rule takes effect. 
14.2  UPnP 
Universal Plug and Play (UPnP) is a set of networking protocols that makes automatic port forwarding possible. It 
can identify devices and enable ports for certain applications. To use this function, it requires that the operating 
system support UPnP, or application software supporting UPnP is installed. 
To access the page, choose Virtual Server > UPnP. It is recommended that you retain the default value. 
 
After UPnP is enabled, port translation information displays when UPnP application, such as Xunlei, is running in 
the LAN network. See the following figure.