Yeah, I did see this issue many times when we used to deal with ACS 4.x a lot. You would see this issue in each section where it has some option to select or move. I couldn't access the release notes of ACS windows for tested s/w. However, I'd like you to go through the tested software with ACS 4.2.
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...
[toc:faq]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 and UDP are I...