Re: us.kernel.org mirroring inconsistency
H. Peter Anvin (hpa@transmeta.com)
Thu, 7 Jan 1999 10:28:23 -0800 (PST)
> Personally, the ONLY problems I've had were due to bugs or faults in
> the remote ftpd daemon, and are as follows:
>
> 1. Some ftp daemons do NOT support the -S option that says to
> sort directory listings by size. My experience has been that
> with a flaky route to the site being mirrored, the mirror
> works far better with -rS specified (thus mirroring smaller
> files before larger ones) than without the -S option.
>
> Incidentally, the ftpd daemon usually supplied with the Minix
> operating system used to do this, but I fixed that a while
> back, and my modified version is now the preferred one...
>
> 2. One version of Micro$oft's FTP server would present filenames
> in Micro$oft's broken "First letter uppercase, rest lower"
> format in the directory listings irrespective of the actual
> format on the disk, but 'get' didn't work unless the correct
> case was used. Thankfully, M$ fixed this in the next release
> of their FTP server, but I still see it occasionally...
>
> 3. There are ftpd daemons out there that insist one uses the name
> 'anonymous' to log in for AnonFTP and other that insist that
> one use the name 'ftp' to do so. Most accept either, and it's
> not hard to work out when one meets one that insists on the
> "wrong" login name, then tell Mirror how to handle it...
>
> Best wishes from Riley.
One of the big problems with FTP is that all of this is ad hoc. They
aren't actually specified in the FTP spec.
-hpa
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