On Tue, Aug 3, 2021 at 1:28 PM Ulrich Windl <Ulrich.Windl@xxxxxxxxxxxxxxxxxxxx> wrote: > Thanks for having a look! So it seems not as broken as I was afraid. > You are right that the service was written for inetd originally, and one of > the problems found with systemd is that the process ends with varying exit > codes (mostly 1 and 3) that systemd considers to be not successful. > See SuccessExitStatus in man systemd.service