-Note than TUN comes in several flavours. Their names in the
-configuration file are:
- tun: Linux-2.4; only one device file (usually /dev/net/tun)
- tun-old: Linux-2.2, BSD; device files /dev/tun*
- tun-solaris: Solaris (not yet implemented)
+You will probably be using the supplied `make-secnet-sites' program to
+generate your VPN's list of sites as a secnet configuration from a
+more-human-writeable form.