Indicates the mechanism to use when performing authentication when logging into the FTPO server.
property AUTHCmd: TAuthCmd;
AUTHCmd is a TAuthCmd property that indicates the mechanism to use when performing authentication in the Login method. The value in AUTHCmd determines the argument used with the FTP AUTH command in the TLS handshake protocol exchange.
The default value for AUTHCmd is DEF_Id_FTP_AUTH_CMD, as assigned during initialization of the component.
|
Value |
Meaning |
|
tAuto |
TLS support is determined by trying each of the valid AUTHCmd values. |
|
tAuthTLS |
Implies TLS using a clear data port. |
|
tAuthSSL |
Implies TLS using a private data port. |
|
tAuthTLSC |
Implies TLS using a clear data port. |
|
tAuthTLSP |
Implies TLS using a private data port. |
The value tAuto can be used when connecting to a server that does not allow the FTP FEAT command required for negotiated TLS support until completion of the Login protocol exchange. In addition, some servers use AUTH TLS while others use AUTH SSL. So multiple AUTH commands may be tries to determine the servers level of support.
When a value other than tAuto is found in AUTHCmd, only the specified Authentication method will be tried.
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