Connection Limit TLS

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brittawi
500 Command not understood
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Joined: 2022-11-18 10:51

Connection Limit TLS

#1 Post by brittawi » 2022-11-18 11:04

Hi,

I have tried different combinations for Client and Servers using FTPES. For Clients I have used FileZilla, WinSCP, the go library ftp and the python library ftplib. As Servers I have used the FileZilla Server and the ProFTPD Server. For every combination it appeared that the control connection was shutdown after a certain amount of data connections. (I just repeated the List or Retr command until the connection shutdown) The amount was different for each combination, but for the combination itself it stayed the same. I have not encountered this with plain FTP, therefore my question: Is there some kind of connection limit with TLS that might be adjustable?
The error I usually got was Econnaborted.

Thanks in advance!

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botg
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Re: Connection Limit TLS

#2 Post by botg » 2022-11-18 15:03

Disable Windows firewall. It interferes with FTP even if using FTP over TLS. Note that only disabling Windows firewall works, exceptions won't help.

brittawi
500 Command not understood
Posts: 2
Joined: 2022-11-18 10:51

Re: Connection Limit TLS

#3 Post by brittawi » 2022-11-21 07:29

Thanks, I will try!

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