What does "421 Service not available, closing control connection" mean in FTP

A colleague needs to access ftp.sophos.com (195.171.192.29) using Filezilla as their SFTP client, via TCP port 990. I set up the security policy rule as ... Mar 7, 2016 ... ... help me out or point me in the right direction? Is there any way to utilize 365 with external vendors for FTP access? Thank you! Jan. Feb 9, 2019 ... Where can I access FTP connection ... Is there a way that I could use an FTP on my wordpress via kubernetes google cloud? ... You usually update the ... Jan 22, 2011 ... It seems they (drupal ) want to move to using composer to manage all module installations and updates ( which would avoid this permissions issue we all ... Sep 15, 2021 ... The FTP system with Unraid is going to give full access to all shares then it shouldn't let you specify a user and should default to the root account like the ... Standard FTP Access · You will need to access our FTP through a file transfer software such as Fetch. · When promted, type "ftp.dcopy.net" in the host name box, ... FTP enables a computer to access and download or manage files and folders on a remote web server over a stable internet connection. FileZilla - The free FTP solution for both client and server. Filezilla is open source software distributed free of charge. Feb 17, 2016 ... If you have FTP access, you just undo your mistake in your local file and upload it to the server. You could encounter similar issues when editing plugin files. Feb 15, 2022 ... What communications model does FTP use? client-server. What's the standard FTP port? 21. How many modes of FTP connection are there? 2.