We need to allow a computer on the inside of our network to connect to an outside network using Cisco VPN Client. I have the external IP address of the outside network we are connecting to. We have an ASA5520. Would I setup a rule to allow TCP PPTP 1723 and IP GRE 47 to the external IP address I was given? Would there be any other ports that would need to be allowed?
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...