(Chilkat2-Python) ConnectFailReason

See more FTP Examples

The ConnectFailReason property can be examined to determine the reason why the Connect method failed. The possible values are listed in the source code below:

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import sys
import chilkat2

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

ftp = chilkat2.Ftp2()

ftp.Hostname = "ftp.example.com"
ftp.Username = "login"
ftp.Password = "password"

# Connect and login to the FTP server.
success = ftp.Connect()
if (success != True):

    # The possible failure reasons are:
    # 0 = success
    # 
    # Normal (non-TLS) sockets:
    # 1 = empty hostname
    # 2 = DNS lookup failed
    # 3 = DNS timeout
    # 4 = Aborted by application.
    # 5 = Internal failure.
    # 6 = Connect Timed Out
    # 7 = Connect Rejected (or failed for some other reason)
    # 
    # SSL/TLS:
    # 100 = TLS internal error.
    # 101 = Failed to send client hello.
    # 102 = Unexpected handshake message.
    # 103 = Failed to read server hello.
    # 104 = No server certificate.
    # 105 = Unexpected TLS protocol version.
    # 106 = Server certificate verify failed (the server certificate is expired or the cert's signature verification failed).
    # 107 = Unacceptable TLS protocol version.
    # 109 = Failed to read handshake messages.
    # 110 = Failed to send client certificate handshake message.
    # 111 = Failed to send client key exchange handshake message.
    # 112 = Client certificate's private key not accessible.
    # 113 = Failed to send client cert verify handshake message.
    # 114 = Failed to send change cipher spec handshake message.
    # 115 = Failed to send finished handshake message.
    # 116 = Server's Finished message is invalid.
    # 
    # FTP:
    # 200 = Connected, but failed to receive greeting from FTP server.
    # 201 = Failed to do AUTH TLS or AUTH SSL.
    # Protocol/Component:
    # 300 = asynch op in progress
    # 301 = login failure.

    failReason = ftp.ConnectFailReason

    print("connect fail reason = " + str(failReason))

    print(ftp.LastErrorText)
    sys.exit()

# ..