Re: Difference between CBAC and Reflexive access-list
CBAC turns your router into a stateful device, so it doesn't just update the access-list to allow return traffic back in (like reflexive ACL's do), it keeps track of the state of the connection, monitoring ACK/SEQ numbers in TCP packets, etc. Go with CBAC over reflexive ACL's any day, much more secure.
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...