How to connect with FTP server? [duplicate]

Answer 1

There is a sample provided by Apple in the SDK documentation that does exactly that:

http://developer.apple.com/iphone/library/samplecode/SimpleFTPSample/

Answer 2

RFC 959 is the original standard for the FTP protocol. You can get a copy of this from this IETF Website. You can also download a free or free for personal use ftp server like filezilla or sysax ftp server to use for testing your iphone program. Hope this helps.

Answer 3

You can find a lot of information by googling "ftp protocol", but you you can here the RFC #114 which could be seen as the official specification of the protocol.