Search found 5 matches

by cpi-ivu
2021-03-10 10:33
Forum: FileZilla Server Support
Topic: Problem with passive mode (urgent problem - please help)
Replies: 12
Views: 786

Re: Problem with passive mode (urgent problem - please help)

Are you using plain FTP or FTP over TLS? In case of plain FTP, please compare the reply to the PASV command between the server log and the client log, the reply must be identical. If they differ, some firewall or NAT router is intentionally sabotaging FTP. I have compared the messages. They match e...
by cpi-ivu
2021-02-28 13:58
Forum: FileZilla Server Support
Topic: Problem with passive mode (urgent problem - please help)
Replies: 12
Views: 786

Re: Problem with passive mode (urgent problem - please help)

When the client sends PASV, FZ Server replies with the configured IP (Passive settings), which is usually the external one. For private IPs connections, it will automatically send its private one, but only IF the IP is from a private range AND the option is enabled. Yes - that's also my observation...
by cpi-ivu
2021-02-24 08:07
Forum: FileZilla Server Support
Topic: Problem with passive mode (urgent problem - please help)
Replies: 12
Views: 786

Re: Problem with passive mode (urgent problem - please help)

FileZilla Server has an option to handle local connections. Unfortunately, the "local" IP you have does not fall into one of the private ranges reserved for that purpose. Ok. But what is the action by the server then (saying: there comes an connection from 172.100.51.4)? It allows the log...
by cpi-ivu
2021-02-23 12:39
Forum: FileZilla Server Support
Topic: Problem with passive mode (urgent problem - please help)
Replies: 12
Views: 786

Re: Problem with passive mode

Is their a NAT involved that changes the source IP of incoming connections? No. It's an EC2 instance with elastic Public IP adress. It should act like an normal internet-connected server. Leaving it at default should work in all cases. So what we have discovered is, that if you choose "default...
by cpi-ivu
2021-02-22 10:40
Forum: FileZilla Server Support
Topic: Problem with passive mode (urgent problem - please help)
Replies: 12
Views: 786

Problem with passive mode (urgent problem - please help)

Hi! I have an urgent problem: I'm running Filezilla Server on an Amazon EC2 instance. I want the server to be accessible from intern (IP: 172.100.51.4). Now the EC2 instance has a public elastic IP. Now the problem: As I have to use passive mode, either the clients from inside kann transfer files (S...