170
----End
Verification
Enter Protocol name://WAN port IP address in the address bar of a web browser on a computer
over the internet to access the resources on the web server. In this example, enter
http://202.105.106.55.
If the DDNS function is enabled, you can visit an address in the form of Protocol name://domain
name.
If internet users still cannot visit the web server in LAN after the configuration, try the following
solutions:
Ensure that the WAN IP address of the device is a public IP address.
Security software, antivirus software, and the built-in OS firewall of the computer may cause the
function failures. Disable them and try again.
Manually set an IP address and related parameters for the web server to avoid the service
disconnection caused by the dynamic IP address.
8.6.8 Telnet service
With this function enabled, the device can be managed via Telnet. Generally this function is used
to maintain the device by technical professional.
To access the page, choose Advanced > Network Service. By default, the function is enabled.
8.6.9 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, such as
Thunder. To use this function, it requires that the operating system support UPnP, or application
software supporting UPnP is installed.
To access the page, choose Advanced > Network Service. By default, the function is disabled.
You can enable it as required.