The bulletin announcing the sig update was released a bit prematurely. While the files had already been posted and were visible, it probably took a little longer for the files to propagate to the FTP server. This should have resolved itself soon after. Please reply back if this is not the case and you are still unable to download the files.
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...