FileZilla Client works well in the same environment and there is no
firewall. (drftpd master is in windows 10 and drftpd slave is in centos 7
64.)
Can you give me a example of a curl command that can work well for drftpd?
Thank you very much!

2016-12-27 2:45 GMT+08:00 Daniel Stenberg <daniel_at_haxx.se>:

> On Mon, 26 Dec 2016, mars zhang wrote:
>
> I can use FileZilla Client to up one file to drftpd successfully but I use
>> curl command
>>
>
> curl -T mycc2.txt --ftp-ssl --insecure --ftp-pret
>> ftp://myabc:myabc123ABC@192.168.14.1:2121/123/mycc2.txt
>>
>
> 0000: PASV <= Recv SSL data, 5 bytes (0x5) 0000: ....v <= Recv header, 41
>> bytes (0x29) 0000: 227- Using slave2 for upcoming transfer <= Recv header,
>> 53 bytes (0x35) 0000: 227 Entering Passive Mode (192,168,14,128,234,248).
>> == Info: Trying 192.168.14.128... == Info: TCP_NODELAY set == Info:
>> Connecting to 192.168.14.128 (192.168.14.128) port 60152 == Info: connect
>> to 192.168.14.128 port 2121 failed: Timed out == Info: Failed to connect to
>> 192.168.14.1 port 2121
>>
>
> (I'm sure that log once looked better than when it arrived here.)
>
> why?
>>
>
> Because something (firewall or a NAT perhaps?) between curl and the server
> blocked curl's TCP connection back to setup the data connection so it
> failed.
>
> When using FTPS this is commonly because the FTP commands were encrypted
> so any stateful inspection firewall couldn't open up the port numbers that
> the PASV command's response informed about.
>
> So it appears to be irrelevant to --ftp-pret.
>
> --
>
> / daniel.haxx.se
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Received on 2016-12-27