On Fri, Jan 08, 2010 at 05:35:58AM +0300, Vladimir Volovich wrote:
> Hi!
> 
> On Sat, Nov 21, 2009 at 09:38:20AM +0100, Kurt Roeckx wrote:
> > On Fri, Nov 20, 2009 at 08:25:02PM +0000, Dick Middleton wrote:
> > > Package: libssl0.9.8
> > > Version: 0.9.8k-5
> > > Severity: important
> > > 
> > > 
> > > I've just updated my 'sid/unstable' system and found stunnel4 can no
> > > longer do its client certificate auth with apache connecting with ssl
> > > on port https/443.
> > > 
> > > Apache reports:
> > >  Re-negotiation handshake failed: Not accepted by client!? 
> > 
> > The change in -6 disabled renegotiation because it happens in
> > an insecure way.  Since you're talking to an apache server,
> > I would suggest you talk to the administrator to set up his
> > website so that it doesn't require renegotiation.  I understand
> > that this requires that the whole server or virtual server needs
> > to be configured to accept the client certificate.
> 
> sorry for asking, but could you please explain if it is always possible
> to reconfigure the server to eliminate the need for renegotiation?
> 
> consider situation when one of directories is protected with
> "SSLVerifyClient require", but the rest of the site is not:
> 
> <VirtualHost hostname.com:443>
>   # [...]
>   SSLEngine on
>   SSLCertificateFile ...
>   SSLCertificateKeyFile ...
>   SSLCertificateChainFile ...
>   SSLVerifyClient none
> 
>   <Directory /protected>
>     SSLVerifyClient require
>     SSLCACertificateFile ...
>   </Directory>
> </VirtualHost>
> 
> now, whenever i go to any URL starting with /protected/, apache seems
> to be forcing renegotiation and the client browser linked against
> 0.9.8k-5 and above fails to load the page.
> 
> is it possible, and how, to reconfigure apache in this case, to
> eliminate the need for renegotiation?

As I understand it, it will not do the renegotation if you do
it for the whole virtual host.


Kurt




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