unless that node is not reachable, in which case the node with the next highest
priority will be tried, and so on.
-.It Va TCPOnly Li = yes | no Pq no
+.It Va TCPOnly Li = yes | no Pq no Bq obsolete
If this variable is set to yes,
then the packets are tunnelled over the TCP connection instead of a UDP connection.
This is especially useful for those who want to run a tinc daemon
from behind a masquerading firewall,
or if UDP packet routing is disabled somehow.
Setting this options also implicitly sets IndirectData.
+
+.Pp
+Since version 1.0.10, tinc will automatically detect whether communication via
+UDP is possible or not.
.El
.Sh SCRIPTS
When a subnet becomes (un)reachable, this is set to the subnet.
.El
+.It Ev WEIGHT
+When a subnet becomes (un)reachable, this is set to the subnet weight.
+.El
+
.Sh FILES
The most important files are:
.Bl -tag -width indent