Return-Path: Date: Mon, 1 Jun 2015 14:12:17 -0400 To: Benjamin Coddington Cc: linux-nfs@vger.kernel.org, smayhew@redhat.com Subject: Re: [PATCH pynfs 0/3] MITM tool for NFS traffic on linux Message-ID: <20150601181217.GB26489@fieldses.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: From: bfields@fieldses.org (J. Bruce Fields) List-ID: On Wed, May 27, 2015 at 02:03:56PM -0400, Benjamin Coddington wrote: > On Wed, 27 May 2015, Benjamin Coddington wrote: > > > What follows is a small tool I think may be convenient to test and reproduce > > certain types of bugs that are difficult to create from above the > > filesystem, but are clearly problematic and have well-defined network > > triggers. Anna's recent BAD_STATEID on WRITES with delegation is a good > > *Olga > > Apologies. > > Ben > > > example of that. This tool uses netfilters NFQUEUE target to allow a linux > > host to modify the NFS network traffic between existing clients and servers. > > In that sense, it is very similar to nfs-proxy, however I find it to be much > > more convenient to use, as it can be quickly inserted and removed from an > > existing network conection. By the way, I only recently noticed there's a branch of Fred's old pynfs repo with the proxy-nfs code. I've just merged that branch into my tree. (Let me know if anyone uses that.) Do you want me to take these patches to? Do you think you're going to continue using this? --b.