FTP connection to the Plesk server fails: unable to read configuration file

[mahesh]

Question
FTP connection to the Plesk server fails: unable to read configuration file '/etc/proftpd.conf': No such file or directory
Symptoms

• When connecting to the Plesk server via FTP using an FTP client, connection fails with one of the following error messages:

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Status: Connecting to 203.0.113.2:21...
Status: Connection established, waiting for welcome message...
Error: Connection closed by server
Error: Could not connect to server


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421 Service not available, remote server has closed connection.


• Service status of xinetd shows the following error message:

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#systemctl status xinetd
...
proftpd[22000]: fatal: unable to read configuration file '/etc/proftpd.conf': No such file or directory
Cause
Main configuration file /etc/proftpd.conf is missing:

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#ls -l /etc/proftpd.conf
ls: cannot access '/etc/proftpd.conf': No such file or directory
Resolution
1.Connect to the Plesk server via SSH.

2.Copy proftpd.conf configuration from a sample:

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#cp -p /etc/proftpd/proftpd.conf /etc/proftpd.conf
Note: If this file is absent, copy it from from a working Plesk server using the same operating system and OS version.

3.Restart the xinetd service:

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#systemctl restart xinetd