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Re: IPv6 FTP PASV problems

From: Daniel Stenberg <>
Date: Mon, 3 Sep 2007 00:28:07 +0200 (CEST)

On Thu, 30 Aug 2007, wrote:

> The server is IPv6 capable. I use /usr/bin/ftp on a Solaris machine to
> transfer files to/from the IPv6 server -- using the IPv6 IP Address. So I
> don't believe that there is anything wrong with server where the IPv6 FTP
> daemon is running.

If you have a ftp client that works, then make it output the "raw" FTP
commands and compare them to what curl sends!

> libcurl though always seems to get the Invalid argument error. One thing
> that I have noticed though is that libcurl seems to be omitting the zone ID.

I'm rather clueless when it comes to ipv6 details and how and how to behave to
be a perfect ipv6 citizen - like zone IDs being needed or not. If you can
think of improvements to make it work better, feel free to poke on it until it
works and send us the necessary patch!

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Received on 2007-09-03