From: "J. Bruce Fields" <bfields@fieldses.org>
To: Jan Kasprzak <kas@fi.muni.cz>
Cc: nfs@lists.sourceforge.net
Subject: Re: mountd gives "illegal port"
Date: Wed, 27 Oct 2004 12:39:10 -0400 [thread overview]
Message-ID: <20041027163910.GB4292@fieldses.org> (raw)
In-Reply-To: <20041027162321.GD4333@fi.muni.cz>
On Wed, Oct 27, 2004 at 06:23:22PM +0200, Jan Kasprzak wrote:
> J. Bruce Fields wrote:
> : On Wed, Oct 27, 2004 at 02:42:28PM +0200, Jan Kasprzak wrote:
> : > I have discovered the following problem in Linux NFS: When you mount
> : > many filesystems from the same server, mountd sometimes refuses the
> : > request with "illegal port" message in syslog. To reproduce this, I did
> : > the following:
> :
> : Just add the "insecure" export option to the server's export.
> :
> Of course, but I don't want to do this.
Why not?
> The problem is that client is querying portmap over TCP and from
> privileged port. By changing this we can use twice as much mounts in
> the TIME_WAIT period.
OK. It seems like kind of an obscure thing to care about....
> We may also force mount to query mountd over UDP, but I don't know how
> to do this. -o udp is probably for nfsd traffic, isn't it?
That's what I'd assume, but I don't know.--b.
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next prev parent reply other threads:[~2004-10-27 16:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-27 12:42 mountd gives "illegal port" Jan Kasprzak
2004-10-27 15:45 ` J. Bruce Fields
2004-10-27 16:23 ` Jan Kasprzak
2004-10-27 16:39 ` J. Bruce Fields [this message]
2004-10-27 16:40 ` Jan Kasprzak
2004-10-27 18:28 ` Peter Astrand
2004-10-27 16:12 ` Jan Kasprzak
2004-10-27 21:04 ` Michael Richardson
2004-10-27 21:13 ` Jan Kasprzak
2004-10-27 22:19 ` Michael Richardson
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