On Tue, 10 Oct 2006, Armel Asselin wrote:

> for some reason, libcurl ftps expects data connection to be encrypted
> without telling PROT P, but FileZilla expects the contrary.

libcurl does so becuase that's how I've interpreted the docs/specs and that's
how other servers work(ed).

ftps:// should not be used anyway since it isn't standardized and is likely to
never work fine all over, no matter how hard we try.

> the technic is to use simple ftp:// then upgrade with PROT P, and there it
> works. in fact from what I could read here and there, implicit protection
> (ftps) is rather obsolete, however, like you, I would have found that cool
> to have this works directly [one way could be to send PROT P unconditionnaly
> in ftps mode, it would not be understood by very old ftp implemtentations
> other SSL, and would be by newer ones, which consequently would make the
> server and libcurl expect the same thing]

I wouldn't mind that.

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