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STUN & UPnP Settings 46
SmartLink 4050 Series Getting Started Guide 3 • Using the configuration menu
Figure 17. STUN & UPnP Settings
STUN & UPnP Settings
Click on STUN & UPnP Settings to display the configuration window (see figure 17).
STUN Server Setting
STUN
Simple traversal of user datagram protocol through network address translators (STUN) is a protocol that
allows applications to determine the types of NATs and firewalls are in between them and the internet. STUN
also provides the ability for applications to determine the public IP addresses allocated to them by the NAT.
Click to
Enable or Disable STUN.
STUN Domain Name/IP Address
Enter STUN domain name or IP address if STUN is enabled.
UPnP Setting
UPnP
Click to Enable or Disable universal plug and play (UPnP).
Note Some NAT supports UPnP so STUN is not required and must be disabled.
Saving your work
When you finish configuring the settings, click the Submit button to save the changes. Otherwise, click the
Reset button to cancel the changes.