The core of Bubble UPn P Server is a Web Server running on port 58050 by default for HTTP and on port 58051 for HTTPS.
Optware-ng is a package repository for many architectures runnning a Linux kernel: hard-float ARMv7, I686, Power PC 603e and soft-float ARMv5, ARMv7 EABI, MIPSEL and Power PC e500v2 targets It can be used to install Bubble UPn P Server on any of these platforms, such as: Raspberry Pi, NASes, routers, custom devices, ...
The information used to set this field is displayed in the Status tab of Bubble UPn P Server.
For example if the Status tab shows: To connect through HTTP, you must set "Server Address" to either or To connect through HTTPS, you must set "Server Address" to either https://1.2.3.051 or https://org:58051 Use the login that you defined in the Security tab.
As long as Bubble UPn P Server is able to discover your Media Server, it can create a proxy Media Server which in turn has more chance to be discovered by UPn P software.
Video showing that feature (courtesy of Stephen Philips) When operating an UPn P AV Renderer, the playlist of audio tracks resides on the Control Point which must remain running for playlist track advance to happen.