> "hostname 10.x.x.13 does not match any certificate. do you want to
> continue?" doesn't it mean my security is weaker or it is just a
> warning of some kind which i can ignore?

AFAIK the certificate sent by the VNC server is self-signed; your
tigervnc client will hence complain, as the certificate presented by the
server was not signed by a recognized authority.

This doesn't make the encryption less effective, but the mechanism
doesn't validate you're actually connecting to the right machine¹.  If
you're tunneling through SSH you can be confident your client talks to
the right server² and can safely ignore the warning.

To get rid of the unmatching certificate warning, you have choices:

        - Override the self-signed certificates with your own certificates
          (Info on http://comments.gmane.org/gmane.linux.pve.devel/464 might
          be useful as well as other search engines results);

        - Trust the CA stored in /etc/pve/pve-root-ca.pem and make sure your
          domain name matches (an option to tigervnc lets you specify a CA
          certificate).


1) And the tigervnc client interface — at least my 1.2.0 version — does
not show you anything about the certificate it receives, even in
extra-verbose mode, so you cannot manually verify the match.

2) Of course you *do* verify the SSH server fingerprint when you
connect? :)



-- 
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        Patrice Levesque
         http://ptaff.ca/
        [email protected]
    --------================|================--------
 --====|====--
--

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