Tuesday, August 18, 2009

VPN: ipsec/l2tp/pptp

IP tunneling (IP encapsulation) is a technique to encapsulate IP datagram within IP datagrams which allows datagrams destined for one IP address to be wrapped and redirected to another IP address. IP encapsulation is now commonly used in Extranet Mobile-IP IP-Multicast tunneled host or network.


md5 enc/dec

ppp/pppoe:

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