# Connect()
Status:   Connecting to xxx.yy.aa.bb:12345
Response: 220 Microsoft FTP Service
Command:  USER dsmwrftp
Response: 331 Password required
Command:  PASS ***
Response: 230 User logged in.
Command:  FEAT
Response: 211 END
Response: 211-Extended features supported:
Response: LANG EN*
Response: UTF8
Response: AUTH TLS;TLS-C;SSL;TLS-P;
Response: PBSZ
Response: PROT C;P;
Response: CCC
Response: HOST
Response: SIZE
Response: MDTM
Response: REST STREAM
Status:   Text encoding: System.Text.UTF8Encoding
Command:  OPTS UTF8 ON
Response: 200 OPTS UTF8 command successful - UTF8 encoding now ON.
Command:  SYST
Response: 215 Windows_NT
Status:   Auto-detected Windows listing parser
# UploadFile("/home/root/Debug/data.txt", "test.json", Skip, False, Retry)
# FileExists("test.json")
# GetWorkingDirectory()
Command:  PWD
Response: 257 "/" is current directory.
Command:  SIZE /test.json
Response: 550 The system cannot find the file specified. 
# OpenWrite("test.json", Binary)
Command:  TYPE I
Response: 200 Type set to I.
# OpenPassiveDataStream(AutoPassive, "STOR test.json", 0)
Command:  EPSV
Response: 229 Entering Extended Passive Mode (|||64795|)
Status:   Connecting to xxx.yy.aa.bb:123
Command:  STOR test.json
Response: 125 Data connection already open; Transfer starting.
Status:   Disposing FtpSocketStream...
# Dispose()
Status:   Disposing FtpClient object...
Status:   Testing connectivity using Socket.Poll()...
Status:   There is stale data on the socket, maybe our connection timed out or you did not call GetReply(). Re-connecting...
Status:   The stale data was: 425 Data channel timed out due to not meeting the minimum bandwidth requirement.
Status:   Disposing FtpSocketStream...
Status:   Not sending QUIT because the connection has already been closed.
Status:   Disposing FtpSocketStream...
Status:   Disposing FtpSocketStream...