UPnP is not a particularly secure protocol, unless you configure extra layers of security on top of it. protocol.

The following packages Packages which implement UPnP should be added to the blacklist: UPnP:
- @gerbera@
- @gupnp@
- @gupnp-av@
- @gupnp-dlna@
- @gupnp-igd@
- @gupnp-tools@
- @libupnp@
- @libupnp-debug@
- @mediatomb@
- @minidlna@
- @miniupnpc@
- @miniupnpd@
- @python-miniupnpc@
- @rygel@
- @ums@

This list may not be exhaustive. @