## General Info/Networking Configuration
# https://wiki.archlinux.org/index.php/IPv6_tunnel_broker_setup
# https://gist.github.com/pklaus/960672
# https://genneko.github.io/playing-with-bsd/networking/freebsd-tunnelv6-he
# https://journeymangeek.com/?p=228
# https://superuser.com/questions/1441598/using-a-hurricane-electric-tunnel-to-provide-ips-to-a-network-with-dnsmasq/1441604#1441604
# https://wiki.gentoo.org/wiki/IPv6_router_guide
# https://shorewall.org/6to4.htm#idm143
# https://shorewall.org/6to4.htm#SixInFour
# https://wiki.ubuntu.com/IPv6#Configure_your_Ubuntu_box_as_a_IPv6_router

## Tunnelbroker API
# https://forums.he.net/index.php?topic=3153.0 ("The following scripts conform to the Dyn DNS Update API (as documented at http://dyn.com/support/developers/api/).")
# https://help.dyn.com/remote-access-api/return-codes/
#