Chrome Version       : 63.0.3239.132
URLs (if applicable) :
Other browsers tested:
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue:
     Safari:
    Firefox:
       Edge:

What steps will reproduce the problem?
(1) Click to Refresh Corp SSH Certificate on your laptop browser
(2) Open a new tab
(3) Launch Secure Shell

What is the expected result?
Secure Shell should prompt me once again to touch my laptop's gnubby, and then connect to my desktop.


What happens instead?
Secure Shell hangs after the "Loading NaCl plugin... done." statement. Nothing happens after that.


Please provide any additional information below. Attach a screenshot if
possible.

My laptop is OS X version 10.13.2 and my desktop was just upgraded to Rodete.