Inter domain authentication is a process of the local domain controller, not ACS. If there isn't a trust relationship between the local domain where ACS is installed and the remote domain, AD authentication will fail with an "unknown user" flag. Without a trust relationship, the local domain doesn't "see" the remote domain and ACS has no knowledge of the remote domain.
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...