One of our PCs ina branch office created such a network traffic that it was using nearly half of the bandwidth of the E1 (2 Mbps) line connecting BO to headquarters. When we ran ip accounting on the remote router we saw that this PC is trying to establish TCP connections to IP addresses of all kinds (addresses in our network or some non-existent ones like 75.85.x.x). Some connection attempts are for http, others are for various ports.After a virus check we could find nothing and reinstalled operating system (Win 2K) to the PC and problem was solved. What is the explanation for this?
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...