AnyConnect 3.1 - removing Security Warning: Untrusted VPN Server
We had problem with the above error message with our certificate when we moved to AnyConnect 3.1
We were instructed to request a new one
Also here is the link to Cisco site we were provided that explains the changes in 3.1
IPSec and SSL connections require server certificates to contain Key Usage attributes of Digital Signature and Key Encipherment, as well as an Enhanced Key Usage attribute of Server Authentication or IKE Intermediate. Note that IPSec server certificates not containing a Key Usage are considered invalid for all Key Usages, and similarly an IPSec server certificate not containing an Enhanced Key Usage is considered invalid for all Enhanced Key Usages.
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...