i have notice that one of our nodes UNIX server is sending udp packets to many nodes on the internet and the nodes are replying back to the server using udp packets. this consume about 512kbps , and the attack is into port 0 (udp port 0). we have implement access-list to deny the udb into port 0 , but it didnt work????, can the router deny udp port 0 , if not , how can i solve such a problem. thx
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...