I updated my VPN 3000 concentrator to version 4.1.2 in order to test the Web VPN.
I followed the Cisco documation to allow the https management and the Web VPN on the public interface. Choose the following options (3): allow management https sessions, allow WebVPN https sessions, redirect http to https. As far as I know, I should have access to the https://concentrator_public_ip/admin.html but unfortunately it doesn't work.
For info, I found all information at the following url.
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...