Allow server to bind an OS-selected UDP port with -p 0.

It looks like Mosh used to be able to do this but the capability was lost when port ranges were added in 141ec23.
2016-05-27 17:43:11 -04:00
parent c599987ff8
commit 8945efeb82
4 changed files with 21 additions and 9 deletions
@@ -70,7 +70,8 @@ IP address of the local interface to bind (for multihomed hosts)

 .TP
 .B \-p \fIPORT\fP[:\fIPORT2\fP]
-UDP port number or port-range to bind
+UDP port number or port-range to bind.  \fB\-p 0\fP will let the
+operating system pick an available UDP port.

 .TP
 .B \-c \fICOLORS\fP