It has to be requested via Cisco as far as i know. There is no trial available from web site or something like that. WSA interface will not work withour a license at all,quite disappointing. Not sure, but I thing partners from premier level and higher can get it via their PAMs. Licenses are time limeted, 45 days or so. I have got mine from a Cisco rep.
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...