If the PIX Firewall is running PIX Software version 5.1.1 or later, you can use the copy tftp flash command to download a software image with TFTP. The image you download is made available to the PIX Firewall on the next reload (reboot). For more information, see Upgrading Cisco Secure PIX Firewall Software.
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...