Re: About Anyconnect SSL VPN User License/Single Device
AnyConnect Essential license only supports AnyConnect (SSL full tunnel mode). It does not support WebVPN (Clientless SSL VPN) and all the advance SSL VPN feature like CSD, etc. This is a one off license, and it supports the maximum AnyConnect users supported by the ASA model platform.
The other license is AnyConnect Premium license. It supports all the SSL VPN feature, ie: WebVPN (Clientless SSL VPN), AnyConnect (tunnel mode SSL VPN) and all the SSL advance feature. This is a user based license, and you can purchase it in the increment of 10, 25, 50, 100, etc. user license.
Here is a little more information on the SSL license on ASA for your reference:
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...