Patton electronic SL4050/2 ユーザーズマニュアル

Click on STUN & UPnP Settings to display the configuration window (see 

).

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 

 or 

 STUN.

STUN Domain Name/IP Address
Enter STUN domain name or IP address if STUN is enabled.

UPnP
Click to 

 or 

 universal plug and play (UPnP). 

Some NAT supports UPnP so STUN is not required and must be disabled.

When you finish configuring the settings, click the 

 button to save the changes. Otherwise, click the 

 button to cancel the changes.