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Solved
Self signed certificate error in Chrome 59
The self-signed certificate from the ReadyNAS O/S is no longer considered valid by Chrome 59. There are two errors: Subject Alternative Name Missing There are issues with the site's certificate ch...
RupertGiles wrote:
It would be nice to never have to see that warning.
True. I used to use firefox with the NAS, since it's very simple to add a security exception there. But the click-through has become pretty automatic (which of course defeats it's purpose).
Just wondering - did you try regenerating the cert?
Yes indeed. On Chrome 59, it's More Tools/Developer Tools/View Certificate.
I dragged the certificate to the desktop, then deleted the existing certificate in Keychain, and finally, imported the certificate from my desktop and set the permissions to "Always Trust".
What's changed (from what I've gathered off Google boards) is the requirement for the SAN.
If I've missed something in my procedure, please let me know, and I'll retry. Thanks!
I meant regenerate the cert on the NAS. I don't think the firmware upgrades do that automatically.
You'd do this in system->settings->services->https. It should regenerate the cert if you simply enter "apply".
But you could change the SSL key host, apply, then change it back, apply again if you want to be certain.
Yes, I did think of that and try that. As noted, this only started with Chrome 59. Apparently, the requirement for a SAN which previously was optional, is what's tripping things up.
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