I am trying to find out what ports Decnet over IP is using. With a sniffer I have seen port TCP 701 and TCP ports in the 3000 range. What ports need to be opened on the firewall for Decnet over IP to work?
The only thing I can find on the Internet about this mentions UDP port 700, but there doesn't seem to be any standards that I can tell. It also seems that there a number of different products that'll do this for you, and it doesn't look like they'd all use the same ports and protocols to do it.
Probably what you've done with a Sniffer is your best bet. Another good way is set it all up and then turn on syslogging on the firewall, that'll tell you what connections are opened and what connections are denied, the denied ones can then be allowed thru in your access-list.
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...