We have a server in our DMZ called "Sue". Our wireless clients' DHCP scope has a private inside address, but a single DNS entry for a server on the outside.
The outside DNS server has a record for "Sue"'s public address. So when an inside wireless client resolves "Sue" it translates to the public address, and when the the inside client tries to access it using that address, it is blocked.
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...