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Tag Archives: tls

421 sorry cleartext sessions are not accepted on this server

Sometimes we get a error Message when using the FTP clients: 421 Sorry, cleartext sessions are not accepted on this server. Problem: This error mean that the FTP provider has secured the access with Transport Layer Security (TLS) or its predecessor, Secure Sockets Layer (SSL). Solution: Change the protocol of the host to “ftpes://” The  Full Article…

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