I have a CISCO 1711 Security Router (Firewall feature set) that is our connection to the Internet. I am using NAT overload (PAT) and want to open a port to a mail server on the inside. Can I do this by just adding an entry in the acl for the outside interface and then using an ip port-map smtp port 25 list xx command.
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...