well Like you all know to allow access to mail on the firewall , I will only allow or permit port SMTP as it allows access to mail server which is mapped with a public IP. Can any one tell me which Port I have to enable as such to allow Terminal service access only on another server with a Live IP so as to give access from the outside.
All you should have to do is map a public IP Address with a static command to an internal private IP Address and then open up the terminal services port like you would for SMTP to that public IP Address. The answer you are looking for is port 3389 is what terminal server uses. See two following commands for a reference:
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...
[toc:faq]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 and UDP are I...