Marc Lampo <[email protected]> writes:

> There are a number of cases were this does not contribute to security
>  (malicious user who obtained a certificate and publishes
> corresponding TSLA RR);

It's worth noting that in order to do the above, you only had to trick a
CA into issuing a cert *and* you must have control over the DNS for the
domain, whereas before you had to only trick a CA into issuing a cert.
So the bar has been raised for sites that have published a TLSA record.
So it certainly does contribute to security as it increases the
infrastructure that an attacker must target to succeed in a take-over.
-- 
Wes Hardaker                                     
My Pictures:  http://capturedonearth.com/
My Thoughts:  http://pontifications.hardakers.net/
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