CFStringRef ftpString = CFSTR("ftp://myServer.de/htdocs/Database.sqlite");
    CFURLRef ftpURL = CFURLCreateWithString(NULL, ftpString, NULL);
    CFReadStreamRef readStream = CFReadStreamCreateWithFTPURL(kCFAllocatorDefault, ftpURL);

    //Writestream
    CFURLRef localURL = CFURLCreateWithFileSystemPath (NULL, (CFStringRef)NSTemporaryDirectory(), kCFURLPOSIXPathStyle, FALSE);
    CFWriteStreamRef writeStream = CFWriteStreamCreateWithFile(NULL, localURL);

    CFStreamCreatePairWithSocketToHost(NULL, (__bridge CFStringRef)[[NSURL URLWithString:@"http://www.ilem0n.de"] host], 21, &readStream, &writeStream);

    NSInputStream *inputStream = (__bridge_transfer NSInputStream *)readStream;
    NSOutputStream *outputStream = (__bridge_transfer NSOutputStream *)writeStream;
    assert(inputStream !=nil);
    assert(outputStream !=nil);

    [inputStream setProperty:self.username forKey:(id)kCFStreamPropertyFTPUserName];
    [outputStream setProperty:self.username forKey:(id)kCFStreamPropertyFTPUserName];
    [inputStream setProperty:self.passwort forKey:(id)kCFStreamPropertyFTPPassword];
    [outputStream setProperty:self.passwort forKey:(id)kCFStreamPropertyFTPPassword];

    [inputStream setDelegate:self];
    [outputStream setDelegate:self];

    [inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
    [outputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
    [inputStream open];
    [outputStream open];