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On Mon, Apr 03, 2006 at 01:53:49PM -0500, Eric Haszlakiewicz wrote:
>=20
> 	Has anyone else been having trouble connecting to ftp.netbsd.org?
> I have one particular windows machine that can't get past the "230-" just
> after logging in.  Another machine, sitting right next to it, works just
> fine.
> 	I would chalk it up to something messed up with my machine, except
> that it can connect to many other ftp servers.  e.g. most netbsd mirrors
> work ok, but several don't: ftp.cz.netbsd.org, ftp.tw.netbsd.org,
> ftp.be.netbsd.org, ftp.jp.netbsd.org, ftp7.us.netbsd.org.

Usually that has to do with MTU and/or badly configured proxies
(transparent or not).  I remember helping out a fellow developer a few
years ago;  turned out the proxy wanted packets to begin with an FTP
response code on the command channel.  Or maybe it wanted all packets to
end with a newline, something like that.  Making /etc/issue Just The
Right Size made it work.

The reason behind it is that the packet that follows the 230- line is as
big as it can get;  1500 bytes.  Sometimes the link doesn't support such
a big packet, for some reason.

So check MTU, MSS negociation, proxies, stuff like that.

--=20
Quentin Garnier - cube@cubidou.net - cube@NetBSD.org
"When I find the controls, I'll go where I like, I'll know where I want
to be, but maybe for now I'll stay right here on a silent sea."
KT Tunstall, Silent Sea, Eye to the Telescope, 2004.

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