Endnotes

http://www.netheaven.com/TunnelTypes.html

http://vpn.shmoo.com/vpn/vpn-pptp.html

Olaf Titz from the CIPE

CIPE web page

http://www.quiltaholic.com/rickk/sslwrap/

OpenSSH web page

http://www.se.openbsd.org/faq/faq13.html#SeeAlso

http://lartc.org/howto/lartc.ipsec.html