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jannispinter / indicatetls

Addon for Mozilla Firefox that displays the TLS protocol version of websites you visit
https://addons.mozilla.org/firefox/addon/indicatetls/
Mozilla Public License 2.0
64 stars 12 forks source link

No data is shown for a website with a single request #23

Closed jannispinter closed 4 years ago

jannispinter commented 4 years ago

IndicateTLS does not show any data for websites that only require a single request (e.g. websites that don't fetch images, stylesheets or fonts). The page action shows the grey default icon (see screenshot below).

Example: https://tls13.pinterjann.is or when downloading a single file (e.g. a PDF file) from a web server.

grafik

rugk commented 4 years ago

You likely (accidentially) limit the fetched requests to assets/subresources and exclude the top document. 😄

jannispinter commented 4 years ago

When refreshing the page repeatedly, you can see the green TLSv1.3 icon showing up for a fraction of a second before turning grey again. I think Firefox somehow resets the icon back to the default (which is the grey unknown icon) when the request for the main document has finished.