interpreted as the (negated) file descriptor number, or an
address suitable for <option>ListenStream=</option> (c.f.
<citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
- In the first case, matching file descriptor must be inherited
- through
+ In the first case, the server listens on port 19532 by default,
+ and the matching file descriptor must be inherited through
<varname>$LISTEN_FDS</varname>/<varname>$LISTEN_PID</varname>.
In the second case, an HTTP or HTTPS server will be spawned on
this port, respectively for <option>--listen-http=</option> and