I am working with ASA 5510 for last 2 weeks. 2 interfaces has configured. One is Outside and another one is inside. Everything is ok from outside. I can do telnet ftp and http everything from outside. but when I do ftp from inside to outside, i get some problem. Outside ftp server autheticate userid and password but when i give any command like dir or get or put it tell "245 unable to open data connection". Seems ASA is blocking something. what is happening and what to do for this.
Outside interface security level is set to 0 and inside interface security level is set to 100.
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...