IPsec linux ubuntu [closed]

IPsec linux ubuntu [closed]

References

Reference NO 1

https://help.ubuntu.com/community/IPSecHowTo

Reference NO 2

https://www.witopia.net/support/setting-up-and-using-your-vpn/ubuntu-linux-ipsec-setup/

Reference NO 3

http://www.ipsec-howto.org/

Reference NO 4

http://samsclass.info/ipv6/proj/proj-L5-VPN-Server.html

Reference NO 5

http://wiki.witopia.us/wiki/Installing_personalVPN-IPsec_on_Ubuntu_Linux

Reference NO 6

http://rootmanager.com/ubuntu-ipsec-l2tp-windows-domain-auth/setting-up-openswan-xl2tpd-with-native-windows-clients.html

Reference NO 7

http://lowendtalk.com/discussion/5850/set-up-an-ipsec-l2tp-vpn-on-your-ubuntu-12-10-or-12-04-vps-with-openswan-xl2tpd-and-ppp

Reference NO 8

http://www.linuxquestions.org/questions/linux-networking-3/ipsec-l2tp-vpn-server-on-ubuntu-for-iphone-718264/