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Unable to connect to Plesk server over FTP: FAIL: ftp per_source_limit

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Mikhail Shport
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Plesk for Linux kb: technical ABT: Group B

Applicable to:

  • Plesk for Linux

Symptoms

  • Unable to connect to Plesk server over FTP with the following error is shown in an FTP client:

    CONFIG_TEXT: Error: Could not connect to server

  • It is not possible to download a big amount of files via FTP.

  • The following error is found in the file /var/log/messages (/var/log/syslog on Debian/Ubuntu):

    CONFIG_TEXT: FAIL: ftp per_source_limit from=203.0.113.2

Cause

The connection limit per IP address is exceeded.

Resolution

  1. Connect to the server via SSH

  2. Edit file /etc/xinetd.d/ftp_psa by adding the next line (in bold):

    CONFIG_TEXT: ...
    instances = UNLIMITED
    per_source = UNLIMITED
    server = /usr/sbin/in.proftpd
    ...

  3. Restart the xinetd service:

    # service xinetd restart

Comments

4 comments

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  • Avatar
    Sharul Hafiz

    we have this at the top of the file, will the changes lost after some time?

    #ATTENTION!

    #
    #DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
    #SO ALL YOUR CHANGES WILL BE LOST AFTER YOU UPGRADE PARALLELS PLESK PANEL.

    -1
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  • Avatar
    Ivan Postnikov

    Hello @Sharul,

    Yes, these changes will be rolled back after upgrading Plesk. 

    The article will be reviewed soon.

    0
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  • Avatar
    Lenusch

    Uhm - did you find time to review? :-D Since 2018? I have exact this Problem since ever!!! :-) 

    0
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  • Avatar
    Mikhail Shport

    Hello Lenor,

    I would like to say that this is the default header for all configuration files that are generated by Plesk.
    This specific file is hardly ever rewritten by Plesk operations so it might be safely changed in accordance with the instructions.

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