Re: is NetBSD-4.x NFS Server locking support broken?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sat, Sep 20, 2008 at 02:34:25PM -0400, Greg A. Woods; Planix, Inc. wrote:
> [...]
> >>The only thing potentially odd here is that my Macbook is connected
> >>through a NAT (running on my SMC wireless AP).
> >
> >NAT is evil, especially if RPC is involved.
> 
> I'm not sure why that should be -- at least not with a proper NAT  
> (this isn't ICMP or anything else without port numbers, or even some  
> bizarre thing like DNS server port randomization).  NFS over UDP  
> works, and that's RPC.  It's just the locking that's failing, and it  
> seems to be the server side that's complaining first it seems, though  
> I can't yet tell why.

If your NAT box receive a request on port 111, how should it know to
which client to redirect it ? Not to mention that the NAT box should
also decode RPC replies and install proper port redirection ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--