Recently we have been given the "task" to deploy a VPN client on wireless tablet PCs located on our brach offices, so that wireless traffic destined to our internal corporate network could not be intercepted. Our offices are connected to headquarters via site-to-site VPN connections over ADSL. Could this "IPSec over IPSec" tunnel be actually accomplished?
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
[toc:faq]Introduction:This document describes details on how NAT-T
works.Background:ESP encrypts all critical information, encapsulating
the entire inner TCP/UDP datagram within an ESP header. ESP is an IP
protocol in the same sense that TCP and UDP are I...