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Unable to connect to the Plesk server via SFTP: Received unexpected end-of-file from SFTP server

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Mikhail Shport
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Plesk for Linux kb: technical

Applicable to:

  • Plesk for Linux

Symptoms

Unable to connect to SFTP. The following error is shown in an FTP client:

CONFIG_TEXT: Received unexpected end-of-file from SFTP server

Cause

Incorrect value of the Subsystem parameter in the SSH configuration:

# grep Subsystem /etc/ssh/sshd_config
Subsystem sftp /usr/libexec/openssh/sftp-server

Resolution

  1. Connect to the server via SSH

  2. Replace the necessary value:

    # for i in $(grep Subsystem /etc/ssh/sshd_config | awk '{print $3}'); do sed -i 's|'"$i"'|internal-sftp|g' /etc/ssh/sshd_config; done

  3. Reload the SSHD service:

    # service sshd reload

Comments

2 comments

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  • Avatar
    Haïtham Diaz

    Worked like a charm ! Thank you

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  • Avatar
    TJ Rutkowksi (Edited )

    I get an error on step 2 when I try this.  

    -bash: syntax error near unexpected token `do'

    So, I 

    sudo nano /etc/ssh/sshd_config

    and commented out the following line

    Subsystem   sftp    /usr/libexec/sftp-server

    then added

    Subsystem sftp internal-sftp

    And restarted the service. SFTP is working for Plesk users.

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