(Objective-C) FTPS / Implicit SSL

Demonstrates how to connect using implicit SSL on port 990. The FTP component connects using SSL on port 990, which is the de-facto standard FTP SSL port. Not all FTP servers support implicit SSL. An alternative is to use AUTH SSL (also called AUTH TLS).

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#import <CkoFtp2.h>

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

CkoFtp2 *ftp = [[CkoFtp2 alloc] init];

// If this example does not work, try using passive mode
// by setting this to YES.
ftp.Passive = NO;
ftp.Hostname = @"ftp.something.com";
ftp.Username = @"test";
ftp.Password = @"test";
ftp.Port = [NSNumber numberWithInt:990];

// We don't want AUTH SSL:
ftp.AuthTls = NO;

// We want Implicit SSL:
ftp.Ssl = YES;

// Connect and login to the FTP server.
BOOL success = [ftp Connect];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}
else {
    // LastErrorText contains information even when
    // successful. This allows you to visually verify
    // that the secure connection actually occurred.
    NSLog(@"%@",ftp.LastErrorText);
}

NSLog(@"%@",@"FTPS Channel Established!");

// Do whatever you're doing to do ...
// upload files, download files, etc...

success = [ftp Disconnect];