My ASA 5510 with the CSC module has a Problem with FTP download. I use normaly FTP Protocoll to download files. The Problem is, it intercept the Filedownload after a certain time. It look like a timeout. the download goes from the Internet to inside.
To prevent the bug i took the newest Firmware for the ASA and CSC module. Without results.
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...