On Tue, 20 Dec 2005, Dan Fandrich wrote:

> There is a way to send at least the user name to the remote daemon "out of
> band"; see the -a option of telnet(1): "...this sends the user name via the
> USER variable of the ENVIRON option if supported by the re­ mote system."
> This seems like a harmless addition when the user supplies the -u option to
> curl.

I'm quite sure that curl already does exactly this... :-) (I just checked the
code I didn't actually try this right now.) And unfortunately, there is only a
USER variable and no PASSWORD one.

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