Teletronics EZStation2 - Manual (Page 27)

Enable uPNP Click the checkbox to enable uPNP function.
Enable Web Server
Access on WAN Click the checkbox to enable web configuration
from WAN side.
Enable WAN Echo
Reply Click the checkbox to enable WAN ICMP
response.
Set TTL value Click to Enable and set Time to Live value.
Apply Changes Click the Apply Changes button to complete the
new configuration setting.
Reset Click the Reset button to abort change and
recover the previous configuration setting.
PPTP