+ FILEBOT_NODE_HOST=0.0.0.0
+ export FILEBOT_NODE_AUTH=SYNO
+ FILEBOT_NODE_AUTH=SYNO
+ export FILEBOT_NODE_HTTP=YES
+ FILEBOT_NODE_HTTP=YES
+ export FILEBOT_NODE_HTTP_PORT=5452
+ FILEBOT_NODE_HTTP_PORT=5452
+ '[' -r /usr/syno/etc/certificate/system/default/privkey.pem ']'
2016-11-30T10:47:47+0100 ...

Thank you for your replys :)

The problem seems to be the same, thats the reason for opening filebot node in a tab. If I use the IFrame, this is in the developer console:
http://<DDNS ID>.myds.me:5452/auth?_dc=1480598480904 Failed to load resource: net::ERR_CONNECTION_REFUSED
http://<DDNS ID>.myds ...

Just updated DSM, and filebot node to 4.7.5, and now I'm unable to execute command.

If I open http://192.168.1.125:5000/webman/3rdparty/filebot-node/index.html, and developer tools, the console is full of:
app.js?_dc=20161125063244:1 GET http://192.168.1.125:5452/tasks 401 (Unauthorized)start
app ...