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Re: [Openvpn-users] Protecting against MITM with '--ns-cert-type'


  • Subject: Re: [Openvpn-users] Protecting against MITM with '--ns-cert-type'
  • From: Denis Jedig <dj@xxxxxxxxxxxx>
  • Date: Tue, 6 Mar 2007 17:07:15 +0100

On Tue, 6 Mar 2007 12:25:03 +0100 Michael wrote:

> If they indeed already have that, then I don't see the logic behind
> statements like 'ns-cert-type and/or tls-remote can protect against
> an MITM attack'.

I believe the idea is to enable the VPN administrator to create more than
one OpenVPN server (e.g. in a failover setup) with dissimilar names.
tls-remote will only accept a single label and will use it as a substring
match against the CN provided in the certificate.

-- 
Denis Jedig
syneticon networks GbR             http://syneticon.net/service/

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