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can't use FTP server File Count



I can't use FTP server File Count because I see error message error : Unable to connect to the remote server
I allow TCP port 1, 21 and 22 for support sensor FTP server File Count and sFTP but sensor sFTP work
I want to know root case and solution.

ftp prtg sftp

Created on Dec 24, 2021 9:16:39 AM

Last change on Dec 27, 2021 7:06:33 AM by  Felix Wiesneth [Paessler Support]


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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.