server/: Make initialization errors be non-fatal and restartable.

[tripe] / server / tripe.8.in

diff --git a/server/tripe.8.in b/server/tripe.8.in
index fcfdb32..8b78682 100644 (file)
--- a/server/tripe.8.in
+++ b/server/tripe.8.in
@@ -37,7 +37,7 @@ tripe \- a simple VPN daemon
 .SH "SYNOPSIS"
 .
 .B tripe
-.RB [ \-DF ]
+.RB [ \-46DF ]
 .RB [ \-d
 .IR dir ]
 .RB [ \-b
@@ -110,7 +110,7 @@ environment variable (or
 .B "\*(/c"
 if the variable is unset) as the current directory.
 .hP 2.
-It acquires a UDP socket with an arbitrary kernel-selected port number.
+It acquires a UDP socket.  The default port is 4070
 It will use this socket to send and receive all communications with its
 peer servers.  The port chosen may be discovered by means of the
 .B PORT
@@ -165,6 +165,15 @@ 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 "\-4, \-\-ipv4"
+Use only IPv4 addresses.  The server will resolve names only to IPv4
+addresses, and not attempt to create IPv6 sockets.
+.TP
+.B "\-6, \-\-ipv6"
+Use only IPv6 addresses.  The server will resolve names only to IPv6
+addresses, and not attempt to create IPv4 sockets.  Note that v6-mapped
+IPv4 addresses won't work either.
+.TP
 .B "\-D, \-\-daemon"
 Dissociates from its terminal and starts running in the background after
 completing the initialization procedure described above.  If running as
@@ -205,7 +214,11 @@ to tunnel through the VPN.
 .TP
 .BI "\-p, \-\-port=" port
 Use the specified UDP port for all communications with peers, rather
-than an arbitarary kernel-assigned port.
+than the default port 4070.  If this is zero, the kernel will assign a
+free port, which can be determined using the
+.B PORT
+administration command (see
+.BR tripe-admin (5)).
 .TP
 .BI "\-n, \-\-tunnel=" tunnel
 Use the specified tunnel driver for new peers by default.