I found a PC using DynDNS on our network. While I understand what it does, should I allow it? We run 3560s and Cisco IP telephony. Not long ago someone plugged in a wireless router which set the network into fits. I am wondering if DynDNS is safe enough to allow. And if not, how would you block it? Reading their website, it seems like it's pretty hard to block if someone has any IT knowledge whatsoever.
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...