Here are all valid variables, listed in alphabetical order.
The default value is given between parentheses.
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+.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
Furthermore, specifying
.Qq none
will turn off packet encryption.
+.It Va Compression Li = Ar level Pq 0
+This option sets the level of compression used for UDP packets.
+Possible values are 0 (off), 1 (fast) and any integer up to 9 (best).
.It Va Digest Li = Ar digest Pq sha1
The digest algorithm used to authenticate UDP packets.
Any digest supported by OpenSSL is recognised.