.IR addr ]
.RB [ \-p
.IR port ]
+.RB [ \-n
+.IR tunnel ]
.br
.RB [ \-U
.B "\-u, \-\-usage"
Writes a brief usage summary to standard output and exits with status 0.
.TP
-.B "\-\-tunnel"
-Writes a string to standard output describing the configured tunnelling
-method and exits with status 0. This is intended for the use of the
+.B "\-\-tunnels"
+Writes to standard output a list of the configured tunnel drivers, one
+per line, and exits with status 0. This is intended for the use of the
start-up script, so that it can check that it will actually work.
.TP
.B "\-D, \-\-daemon"
Use the specified UDP port for all communications with peers, rather
than an arbitarary kernel-assigned port.
.TP
+.BI "\-n, \-\-tunnel=" tunnel
+Use the specified tunnel driver for new peers by default.
+.TP
.BI "\-U, \-\-setuid=" user
Set uid to that of
.I user