421 Service not available, remote server has closed connection when tried to upload or download a file

[akeelashique]

ftp> get test.img
local: test.img remote: test.img
227 Entering Passive Mode (127,0,0,1,31,146).
150 Opening BINARY mode data connection for test.img (1073741824 bytes).
421 Service not available, remote server has closed connection
ftp>
tried many thing still can’t get this fixed

[sashi_Crio.Do]

Please refer to the following

421 Service not available , remote server has closed connection

[Artboard Copy 4] Refer Config file changes needed in Module 3 Make sure your server is running by using the ps command. Confirm the port where your server is listening by using the netstat command. Make sure the client is connecting to that port. Use 127.0.0.1 as the local host IP address if using the internal ftp client and the IP address of the QBox Server as seen in the top right section of your workspace if you are using an external client (Desktop or mobile client) Another thing is to …

[Saurav_Crio.Do]

Please see the below link for reference.

"421 Service not available, remote server has closed connection"

Read instructions carefully. Everything is explained in the modules.

https://bobcares.com/blog/ftp-error-421-service-not-available/