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SEC_ERROR_UNKNOWN_ISSUER on Android

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Having this issue on most sites, even like google etc. Have had it last week on my Windows machine but solutions dont seem to apply here. Or at i cant find cert9.db

Having this issue on most sites, even like google etc. Have had it last week on my Windows machine but solutions dont seem to apply here. Or at i cant find cert9.db
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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Android 7.0; Mobile; rv:66.0) Gecko/66.0 Firefox/66.0

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christ1
  • Top 25 Contributor
2136 solutions 15577 answers

Who is the issuer of the cert Firefox is complaining about?

Who is the issuer of the cert Firefox is complaining about?
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Question owner

How to see that on Android? I couldn't find it. looking it up said I can't see cert details on mobile FF. Currently I am not at home. But as I said,

it is happining on google as well. Maybe you know the issuer.
How to see that on Android? I couldn't find it. looking it up said I can't see cert details on mobile FF. Currently I am not at home. But as I said, it is happining on google as well. Maybe you know the issuer.

Modified by ickehier

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Seburo
  • Top 10 Contributor
  • Moderator
645 solutions 4727 answers

Hi

I recomend that you install an add-on called Certainly Something (published by Mozilla). When you are next on a page and get this error message, tap the little padlock icon near the address bar and take a screenshot that you can append as an answer to this thread.

This add-on will provide the certificate information and will hopefully help us to find a solution for you.

Hi I recomend that you install an add-on called ''Certainly Something'' (published by Mozilla). When you are next on a page and get this error message, tap the little padlock icon near the address bar and take a screenshot that you can append as an answer to this thread. This add-on will provide the certificate information and will hopefully help us to find a solution for you.
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Question owner

Thank you. I am not fully certain what helped it. Either installation of the addon or it fixed itself over night without an update. But it seems like google etc. are back to normal again.

Thank you. I am not fully certain what helped it. Either installation of the addon or it fixed itself over night without an update. But it seems like google etc. are back to normal again.
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Seburo
  • Top 10 Contributor
  • Moderator
645 solutions 4727 answers

Hi

I think it was possibly an update, but it is great to hear this has been fixed.

Thank you for letting us know.

Hi I think it was possibly an update, but it is great to hear this has been fixed. Thank you for letting us know.
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christ1
  • Top 25 Contributor
2136 solutions 15577 answers

Just curious, does the Certainly Something extension work for you? Here I don't see the icon in the URL bar (anymore).

Just curious, does the Certainly Something extension work for you? Here I don't see the icon in the URL bar (anymore).
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Question owner

Aaaand it's back. I still can't seem to find any info about the cert, even with the addon. Edit: I just found out that I am having this problem only while being connected to my wifi.

Aaaand it's back. I still can't seem to find any info about the cert, even with the addon. Edit: I just found out that I am having this problem only while being connected to my wifi.

Modified by ickehier

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christ1
  • Top 25 Contributor
2136 solutions 15577 answers

The extension has started to work again here. So you may want to take another look.

The extension has started to work again here. So you may want to take another look.
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Question owner

I already switched browsers. Thx though

I already switched browsers. Thx though
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