IDM and IME are SDEE based sessions, initiated by your Client PC to the sensor. The IPS Sensor acts as a host and as such there is no timeout. The ssh server resides on the IPS Sensor, but I believe none of these has a default timeout value. In 7.0 it looks like that only thing you can alter is the password policy enforcement:
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...