SFTP Server Connect?

by using filezilla mwe can connect

You can use WinScp or SSH. For more see this link, https://stackoverflow.com/questions/1881122/how-to-communicate-with-sftp-server

There's no support for SFTP in .NET framework, in any version. You have to use a third party library for SFTP. You can use WinSCP .NET assembly. There's even a WinSCP NuGet package. A trivial SFTP upload C# example: // Setup session options SessionOptions sessionOptions = new SessionOptions { Protocol = Protocol.Sftp, HostName = "example.com", UserName = "user", Password = "mypassword", SshHostKeyFingerprint = "ssh-rsa 2048 xxxxxxxxxxx...=" }; using (Session session = new Session()) { // Connect session.Open(sessionOptions); // Upload files session.PutFiles(@"d:\toupload\*", "/home/user/").Check(); }