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 Unable to connect to a Plesk server via FTP in the passive mode

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10 comments

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    Robert Ricci

    This falls short of a complete resolution.

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    Lev Iurev

    @Robert Ricci could you please provide me with more details on that?

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    Ameenullah S

    i am having the same issue: shows Network error: connection refused!

    Is it secure to open ports for passive-ports??

    any one have the correct solution.

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    Lev Iurev

    @Ameenullah S yes, it is secure

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    lostadmin

    This article must be the most obscure article of all. I have an IONOS cloud dedicated server with Plesk installed. I'm having problems with connecting using FTP even if I created an ftp account through Plesk. As a side note, I can connect using sftp using my default domain user but I can not connect using other ftp users that I created. This article should have been clearer because the problem is a bit obscure in its nature.

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    Ivan Postnikov

    Hello lostadmin

    Thank you for the feedback.

    SFTP is a different protocol based on SSH.

    The FTP issue requires additional investigation. Consider submitting a support request directly to us or to our partner, in case the license was purchased from one of them.

     

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    lostadmin (Edited )

    Hello Ivan Postnikov

    I solved the problem contacting IONOS, somehow they restricted the port configurations. By default they configure their own firewall. I knew it but I couldn't configure the passive ports. If I were this article's writer, I would add IONOS to the article since they were one of the biggest cloud service provider in Europe (my client is from Germany). I contacted them and there was no plesk issue. By the way I know that sftp and ftp are completely different protocols.

    Thanks.

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    Ivan Postnikov

    Hello lostadmin

    Thank you for the information.

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    Fabien Galiana

    hello ! how did you solve this issue with IONOS ?! I am spending days with them and they are completly unable so solve this issue. not active or passive ftp is working. only SFTP.

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    lostadmin

    Fabien Galiana If you have a dedicated cloud server then you must have a firewall between your server and plesk environment different than your linux firewall. When you login to your ionos account you can reach this firewall interface. With this interface you can control the open ports but here the problem begins. Because you can open no more than 15 ports so you need to contact IONOS tech stuff to make the ports between 49152-65535 open. Unfortunately without these ports open, you can not use custom ftp accounts. You are bound to use the sftp user for your connections which is not suitable if you have clients on your server.

    Hope it was useful for you because I know how hard it was for me to figure it out with IONOS. Good luck! 

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