server's domain name information that it assigns causes problems. NSLOOKUP will resolve a DNS name FQDN but cannot resolve names when pinging by name, or accessing via browser or other means. using VPN 3000 Concentrator Version 3.5.2.Rel which is very old version of the concentrator and it had some issues with dns. I would advise you to go for the newer versions 4.1.7c which is stable.
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...