IKE vpn on linux notes

Dynamic Netopia-to-Sonicwall IPSec VPN using IKE

http://www.unixwiz.net/techtips/netopia-sonicwall-IKE.html

linux howto guides

http://www.ipsec-howto.org/
http://wolfgang-langer.com/en/introduction.html
http://www.howtoforge.com/racoon_roadwarrior_vpn    ***/w nice diagrams
http://en.gentoo-wiki.com/wiki/IPsec_L2TP_VPN_server

gentoo upgrade log notes

WARN: preinst
Following files and directories were moved from '/etc/ipsec' to '/etc':
ERROR: preinst
 ipsec.conf NOT MOVED, ../ipsec.conf already exists!
WARN: preinst
 directory ipsec.d
 file ipsec.secrets
 file ipsec.secrets.bak
/etc/ipsec is not empty, you will have to remove it yourself