Symptoms
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Plesk Migrator or Plesk Website Importing tool fails to connect to a source server with one of the following error messages:
Failed to check SSH connection to the source server 'source' (203.0.113.2): Unable to connect to '203.0.113.2' by SSH: [Errno 110] Connection timed out.
Ensure that the server is up and there are no firewall rules that may block SSH connections to the server, then restart migration.
Failed to connect to source domain by SSH: Unable to connect to '203.0.113.2' by SSH: timed out.
Ensure that the server is up and there are no firewall rules that may block SSH connections to the server, then restart migration.
Failed to connect to source domain by FTP: timed out
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When connecting to ports 22 or 21 (Plesk Website Importing tool) on the source server using the telnet utility, the connection fails with:
# telnet 203.0.113.2 22
Trying 203.0.113.2...
...
telnet: connect to address 203.0.113.2: Connection timed out
Cause
Connections to ports 22/21 are blocked by a firewall on the source server.
Resolution
Make sure that firewall settings on the source server allow connections via TCP ports 22/21.
If the issue still persists after opening both ports locally on the server, contact your service provider to find out where the connection is blocked.