Does not connect to SFTP, the port is open, is it the provider or the setting?

Question

SSH

Unable to connect to vds via sftp (WinSCP).
Internet home ru, the Internet is connected through a patch router.
For the test, I tried to connect the phone in the form of a modem, there is a connection, from the home Internet, no.
Could it be the certificate? In general, I tried everything, it doesn’t work, please help ((
1. I opened port 22.
2. I wrote to the provider, there are no restrictions on ports, I tried to forward from the router.
3. I manually registered the local IP. All of the

above did not help.
there is a normal ftp 21 port, although the port is closed.

Answer 1

VDS abroad? Wangyu - the house is to blame)
FTP port - 21
sFTP port - 22

Answer 2

When connecting to a VPS from home, there is no need to open and forward ports. You are confusing and doing something wrong