Here are all valid variables, listed in alphabetical order.
The default value is given between parentheses.
.Bl -tag -width indent
+.It Va AddressFamily Li = ipv4 | ipv6 | any Pq ipv4
+This option affects the address family of listening and outgoing sockets.
+If
+.Qq any
+is selected, then the listening sockets will be IPv6 sockets,
+but on most platforms those will also accept IPv4 connections.
.It Va BindToInterface Li = Ar interface Bq experimental
If your computer has more than one network interface,
.Nm tinc