We are looking at doing a 2Factor authentication for certain server bound traffic using asa. the requirements are, asa should prompt for 2 factor authentication when admin users login to the servers ( hosted behind the firewall ) using telnet/rdp.
The difference is , users would not be using any cisco client ( vpn client ) for this. They will be directly using telnet/rdp from their client systems to login to the servers.
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...