Found it.

The running streamer is outputing a html stream on port 8083:
/usr/bin/mjpg_streamer -i input_uvc.so -d /dev/video0 \ -f 15 -r 800x448 -o output_http.so -w /www/webcam -p 8083

Opened port 8083 on firewall for wan.

Has anyone tried this with Gstreamer?