But now we have another problem: we have a message in the log buffer with the IP address that have done telnet to our router. This person is inside the router and can erase the log, so we cannot know who entered in the router, which is the purpose of that.
We have thought about sending these messages to a syslog server, so they will be secure. But we want only these messages to be sent to the syslog server, not the others. If one interface goes down, I don't want this message to be sent to the syslog server, only the telnet of the intruder.
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...