Named Pipes and AVs (anti virus) s/w

George S. Lockwood gslockwood
Fri Oct 13 09:02:32 PDT 2006

I don't know why(!), it is a big surprise.  Pipes are very similar to
file in fact -not sure- may even use the CreateFile API; the problem
here actually happens on a WriteFile call (never returns)...

..but shutting down the AV program and supplicant and client work.

On 10/13/06, Jouni Malinen <jkmaline at> wrote:
> On Fri, Oct 13, 2006 at 06:51:15AM -0700, George S. Lockwood wrote:
> > Does anyone know how the namedpipes used in the Windows version of the
> > supplicant can co-exist with AV s/w?
> Why on earth would anti virus software do anything to (local) named
> pipes?
> > I've encountered a problem where the cli-type app will hang on the
> > ATTACH call made after the pipes have been created and opened.
> > Basically the first use of the pipe.
> Can you make it work by disabling anti virus verification? If yes, which
> AV program?
> --
> Jouni Malinen                                            PGP id EFC895FA
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