On Sat, 15 May 2021 18:10:20 +0000, Patrick Menschel wrote: > Am 15.05.21 um 16:01 schrieb Patrick Menschel: > > Am 15.05.21 um 14:26 schrieb Kurt Van Dijck: > >> On Fri, 14 May 2021 12:04:47 +0000, Patrick Menschel wrote: > >>> Do I need to open one socket per PGN I'm sending? > >>> e.g. > >>> > Guess I have to amend that impression, everything works fine, > except for broadcast which gives me a PermissionError ?! Will you not forget to set the SO_BROADCAST socket option ( see: man 7 socket ) Kurt