this line tells you that your sensor is not licensed:
No license present
your sensor will still run and perform all the normal IPS functions.
You have some older signatures S291 on it. If you upgrade the software to 5.1(8)E3 or 6.0(5)E3 or 6.1(1)E3 or 6.2(1)E3 you can upgrade the signatures to S366 without needing a license. The signatures are contained in the software updates. The software updates may be applied without a license. Only signature updates require a license.
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...