i have PIX 515 ...5.2(3) using access-list , i m having same problem for internal users gett'n disconnecting after some time.........with ne internet messag'n service...is this has to do neth'n with implicit deny with access-list......since all these instant messag'n services use high ports.......the access-list effect this....is there ne way without mak'n ne major security holes to take care of this problem.
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...