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Enable SFTP on Linux Server

Dear Experts,

1. i am running a Centos6 with Plesk Panel 10. For PCI Compliance I have blocked FTP port21.

2. now when i try to connect through SFTP (port22) using winscp. it gives me this error:
"cannot initialize SFTP protocol. Is host running a SFTP server"

3. what setting/installation i need to do server to make SFTP work?

LinuxOS Security

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8/22/2022 - Mon

on the server itself, try this

sftp 0

what do you get?

by default ssh is enabled which is also used for sftp.

- i could not understand what i have to do?
- i have already seen these lines while google search but could not get it.


Do you have an ssh server instance running ?
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- i can access server through PuTTY
- from here i can run shell commands
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Just thinking here, you use putty to connect to the server, do you use port 22 in there or is it something else ?

As it could be that ssh is listening on a none standard port ...

Also, using putty does not mean that you are connecting using ssh, putty is a client that can be configured in may way, but is primarily known as an ssh client..

What does
grep sftp /etc/ssh/sshd_config

Open in new window

display when you run it from the command line?
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thankyou every  one for your assistance