and can also help debugging.
@end table
-@cindex GraphDumpFile
-@item GraphDumpFile = <@var{filename}>
-If this option is present,
-tinc will dump the current network graph to the file @var{filename}
-every minute, unless there were no changes to the graph.
-The file is in a format that can be read by graphviz tools.
-If @var{filename} starts with a pipe symbol |,
-then the rest of the filename is interpreted as a shell command
-that is executed, the graph is then sent to stdin.
-
@cindex Hostnames
@item Hostnames = <yes|no> (no)
This option selects whether IP addresses (both real and on the VPN)
@item router
In this mode Subnet
variables in the host configuration files will be used to form a routing table.
-Only unicast packets of routable protocols (IPv4 and IPv6) are supported in this mode.
+Only packets of routable protocols (IPv4 and IPv6) are supported in this mode.
This is the default mode, and unless you really know you need another mode, don't change it.
@cindex Name
@item Name = <@var{name}> [required]
This is a symbolic name for this connection.
-The name should consist only of alfanumeric and underscore characters (a-z, A-Z, 0-9 and _).
+The name should consist only of alfanumeric and underscore characters (a-z, A-Z, 0-9 and _), and is case sensitive.
If Name starts with a $, then the contents of the environment variable that follows will be used.
In that case, invalid characters will be converted to underscores.
If Name is $HOST, but no such environment variable exist,
-the hostname will be read using the gethostnname() system call.
+the hostname will be read using the gethostname() system call.
@cindex PingInterval
@item PingInterval = <@var{seconds}> (60)
@cindex IndirectData
@item IndirectData = <yes|no> (no)
-This option specifies whether other tinc daemons besides the one you
-specified with ConnectTo can make a direct connection to you. This is
-especially useful if you are behind a firewall and it is impossible to
-make a connection from the outside to your tinc daemon. Otherwise, it
-is best to leave this option out or set it to no.
+When set to yes, other nodes which do not already have a meta connection to you
+will not try to establish direct communication with you.
+It is best to leave this option out or set it to no.
@cindex MACLength
@item MACLength = <@var{bytes}> (4)
Export all host configuration files to standard output.
@item import [--force]
-Import host configuration file(s) from standard input.
+Import host configuration file(s) generated by the tincctl export command from standard input.
Already existing host configuration files are not overwritten unless the option --force is used.
@item start [tincd options]