access control lists are just a way of classifying traffic. Normally they are used to filter traffic (for example, unless you use ACLs, all traffic is allowed to leave a pix, and none is allowed in (unless its part of an outbound stateful connection), but are also used to classify traffic for VPN usage.
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...
Table of Contents 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 an...