Surveillance Station not work with DDNS

[alaminamoon]

I have Router and DDNS, install Surveillance Statio, xpNAS have ip 192.168.1.120,  if i try to use it from not local network then it not work and software has redirect from ddns name like "video.mynas.bla/webman/3rdparty/SurveillanceStation/login.cgi" to"http://192.168.1.120/webman/3rdparty/SurveillanceStation/login.cgi"

Of course its not work. Any help me?

 

ps. In local network its work fine.

Edited June 3, 2022 by alaminamoon

[Pooh]

Аппну тему, действительно невозможно открыть SS извне, перебрасывает на локальный адрес... куда копать?