True ASA can not do deep packet inspections, so BITTorrents could be better blocked using AIP-SSM or CSC-SSM security modules or some third party solution for the same. And again, since they tend to change ports during the session, it maybe difficult to keep track of ports they will be using, so I am not sure if blocking the ports via ACL is going to help us, nevertheless its worth a lab test.
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...