Re: NFS and Wireless and Security

From: Dave Brown (dhbrown_at_hobbes.dhbrown.net)
Date: 09/23/04 

Date: Thu, 23 Sep 2004 17:07:35 GMT

In article <4150bde1$0$99874$9a6e19ea@news.newshosting.com>,
Jack Frillman wrote:
>
> I want to set up a NFS on the local network I am setting up in my house.
> I want to have a shared directory structure between the Linux
> machine (Fedora Core 2) and my Mac PowerBook (OSX 10.3.4). Currently
> they are networked over a Wireless network
> using a Syslink router. It is my understand that if I set up NFS and
> access it via the wireless network it will be in the clear.
>
> Is there any way of setting up the NFS so that it will be secure similar
> to when I remotely login in or transfer files with ssh?

Why would it be "in the clear"? I recognize that WEP imposes a
performance hit, but is speed an issue?

But NFS needs a robust network connection. My experience with wireless
is that it's often not "robust"... a high percentage of packets need to
be resent. TCP protocol can handle this better than UDP protocol upon
which NFS is based. I've seen articles describing efforts to rewrite
applications to use a TCP-based file transfer where wireless connections
were required.

Nonetheless, I've had some luck on an 11Mbs connection, but just from one
room to the next, (in that case, using 64-bit WEP). And when I do
anything requiring speed, (like a network backup) I run a cat-5 wireon the
floor between the 2 machines. 

-- 
Dave Brown  Austin, TX

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