Bibliography

Lnk: OSW

http://www.openswan.org

Lnk: KME

http://www.kame.net/racoon

Lnk: JDL

http://www.jacco2.dds.nl/networking/freeswan-l2tp.html

Lnk: NCa

http://www.natecarlson.com/linux/ipsec-x509.php

Lnk: BCD

http://www.linuxjournal.com/article/7233