Access list blocks echo-requests, but permits our own echo-replies and traceroutes to enter. This reduces the impact of a Ping of Death attack. Switches operate at layer 2 and 'ping of death' is causing problem at layer 3 => no switch can go down with the 'ping of death'. IOS does not fear the 'ping of death'.
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...