I have enabled the debug icmp trace command on a Cisco PIX 515 running 6.3.4 at a customer site.
I have a strange entry that seems to repeat itself each time an ICMP is generated thru the box. I am concerned about this output, as it looks like there is a public address in it that has no relation to my customers addresses.
Can someone tell me exactly what the following means ( I am pasting this message in from the debug output).
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...