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From: "H. Peter Anvin" <hpa@zytor.com>
To: Dylan <autofs@dylan.me.uk>
Cc: autofs@linux.kernel.org, Eric Werme USG <werme@alpha.zk3.dec.com>
Subject: Re: autofs no_local_binds option (nfs <-> bind mounts)
Date: Tue, 13 Jan 2004 12:25:48 -0800	[thread overview]
Message-ID: <4004544C.7030904@zytor.com> (raw)
In-Reply-To: <200401132023.49657.autofs@dylan.me.uk>

Dylan wrote:
> On Tuesday 13 January 2004 20:03 pm, H. Peter Anvin wrote:
> 
> 
>>However, this doesn't address the issue of the client being *the same
>>system*, in which case you can't just move the IP address away from
>>it, since local == remote; you can no longer send packets to the
>>server and get a response back.  You can do it if you can get the
>>client and the server sides to bind to *different* IP addresses, in
>>which case the current autofs behaviour will correctly see them as
>>being separate and mount NFS.
> 
> Would binding an alias address to the interface be sufficient?
> 

No, you have to force the local port to not be bound to the same
address.  I think this can be done with iptables rules, but I'm not
sure... I'm not a networking wizard.

	-hpa

  reply	other threads:[~2004-01-13 20:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-13 19:58 autofs no_local_binds option (nfs <-> bind mounts) Eric Werme USG
2004-01-13 20:03 ` H. Peter Anvin
2004-01-13 20:23   ` Dylan
2004-01-13 20:25     ` H. Peter Anvin [this message]
2004-01-13 20:58       ` Mike Waychison
2004-01-13 21:06         ` H. Peter Anvin
2004-01-13 20:42   ` Eric Werme USG
2004-01-13 20:54     ` H. Peter Anvin
2004-01-13 21:04     ` H. Peter Anvin
  -- strict thread matches above, loose matches on Subject: below --
2004-01-13 14:26 MARX,ALEXANDER (HP-Germany,ex1)
2004-01-13 17:14 ` H. Peter Anvin
2004-01-13 17:48   ` Mike Waychison

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