Question:
Using Chilkat library connecting to a secured server using Explicit SSL connection gives error 404. AUTH TLS command not getting proper response. Please see the error message of the lastErrorMessage(). What could be the reason?
Connect_Ftp2:
DllDate: Dec 27 2016
ChilkatVersion: 9.5.0.65
UnlockPrefix: xxxxxx8
Architecture: Little Endian; 32-bit
Language: Visual C++ 2015 (32-bit)
VerboseLogging: 0
ProgressMonitoring:
enabled: no
heartbeatMs: 0
sendBufferSize: 65536
--ProgressMonitoring
ImplicitSsl: 0
AuthTls: 1
AuthSsl: 0
ftpConnect:
Hostname: xxxx.xxx.xxx.nl
Port: 21
IdleTimeoutMs: 60000
socketOptions:
SO_SNDBUF: 262144
SO_RCVBUF: 4194304
TCP_NODELAY: 1
SO_KEEPALIVE: 1
--socketOptions
readCommandResponse:
replyLineQP: 220 FTP Server ready.
--readCommandResponse
initialStatus: 220
initialResponse: 220 FTP Server ready.
converting to secure connection...
authTls:
simpleCommand:
sendCommand:
sendingCommand: AUTH TLS
-404:
I've never seen such an error. I would need to test against that particular server. (It wouldn't require a login, just being able to connect to the IP is all that is necessary..)
Sorry for the delay to reply. The issue occurs at our customer site. So we are getting permission and more info from the customer. Please see the details below
FTP server ftp.highiq.nl Linux, proftpd Remote system = UNIX Type: L8 File transfer protocol = FTP Cryptographic protocol = TLS/SSL Explicit encryption, TLSv1 Encryption algorithm = TLSv1/SSLv3: DHE-RSA-AES256-SHA, 2048 bit RSA, DHE-RSA-AES256-SHA SSLv3 Kx=DH Au=RSA Enc=AES(256) Mac=SHA1
Compression = No
Can change permissions = Yes Can change owner/group = No Can execute arbitrary command = Protocol commands only Can create symbolic/hard link = No/No Can lookup user groups = No Can duplicate remote files = No Can check available space = No Can calculate file checksum = No Native text (ASCII) mode transfers = No
Additional information The server supports these FTP additional features: MDTM MFMT LANG zh-TW;fr-FR;it-IT;ru-RU;bg-BG;en-US;zh-CN;ja-JP;ko-KR TVFS UTF8 AUTH TLS MFF modify;UNIX.group;UNIX.mode; MLST modify;perm;size;type;unique;UNIX.group;UNIX.mode;UNIX.owner; PBSZ PROT REST STREAM SIZE