I am coding a FTPS (ftp over ssl) clinet program, the clinet can open
the socket and send "AUTH SSL" command to the ftp server with no
problem. But when the SSL_connect command is executed, the return vlaue

is -1 and error# is 5 (SSL_ERROR_SYSCALL) and error is "No such file or


Is this error msg from the server side or from client side iteslf? what

kind of file or directory is server or client looking for? a
certificate file?

I am appreciated your help.