Unfortunately you can't turn it off. Well known port like ssh will always show like that.
Make sure you don't have names turned on and you have a name for your ports. So "no names" will fix any issue where the ASA has put in a name instead of keeping the ip and port. But for pre-defined well know ports you can't stop ot.
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...