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2 votes
1 answer
5k views

How to disable «Secure Connection Failed» for all visited sites?

UPD: Problem was reproduced for me in Windows 10 EN Enterprise LTSB 64-bit. I install Windows → I download browsers (more I do not download anything after installation) → I get same errors. 1. ...
5 votes
2 answers
16k views

Let Firefox accept a website with self-signed certificate

How do I tell Firefox 112 that it is fine to visit a specific site containing a self-signed certificate? The 'I understand the risk' button is no longer available, clicking 'Advanced' again shows 'Go ...
7 votes
3 answers
6k views

Removing certificates in Firefox doesn't work

I'm trying to remove my certificates going to Preferences > Advanced > Encryption > View Certificates. Then I select the certificates I want to remove and delete them. But when I go again to the list,...
26 votes
5 answers
50k views

How to fix Firefox 59 no longer accepting my self signed SSL certificate on .dev virtualhost

On my local Apache environment I have a site that requires SSL for development, so I have been using a self signed certificate. The local site has worked fine in Firefox and Chrome until now, but ...
4 votes
2 answers
16k views

Website spits out PR_CONNECT_RESET_ERROR in firefox's incognito

So I have a site that uses letsencrypt and ssl works fine when I'm browsing my site in firefox. The moment I try browsing my site using incognito mode in firefox my browser throws this secure ...
11 votes
2 answers
10k views

How to view SSL-certificate details in Firefox mobile

In the desktop versions of Firefox it's possible to view details of a sites SSL-certificate by clicking on the lock symbol and then navigating through the popup. Is there a way of viewing the ...
0 votes
1 answer
2k views

Do Chrome and Firefox give you a certificate error for a locally signed certificate even if the certificate is in the trusted store?

I created a self signed certificate for local testing. The certificate generates an error in firefox and chrome saying: myPC:443 uses an invalid security certificate. The certificate is not trusted ...
0 votes
1 answer
2k views

Forcing Firefox to present the wrong client certificate

I'm developing a web application which expects clients to authenticate with client certificates. In order to test its behavior, I want to be able to throw wrong certificates at it. Of course I could ...
1 vote
2 answers
685 views

Downloaded a Firefox Addon on addons.mozilla.COM. Ignored Untrusted Certificate. Should I worry?

This site: https://en-us.add-ons.mozilla.com has an untrusted certificate. (At least with my browser: Iceweasel 24.2.0) I find that highly suspicious. But I do not know enough about such ...
1 vote
0 answers
371 views

Add exception to the list of disabled signature algorithms on Firefox?

I'm currently accessing some internal websites with Firefox. The certificates for the websites are signed with RSASSA-PSS, which is trusted by Chrome but not by Firefox. I understand that Mozilla ...
2 votes
4 answers
2k views

How to intercept SSL authority certificate needed in a corporate environment?

My situation is the following: in our corporate network a special kind of SSL certificate issued by the company itself is used. Every time I open a site via https in Firefox a warning monit is ...
0 votes
1 answer
456 views

Secure connection failed using Firefox, Win7 and Eset Smart Security

I have problems connecting to https websites with Firefox. I am not sure what causes the problem. Usually I got secure connection failed, SEC_ERROR_UNKNOWN_ISSUER and similar messages even by a simple ...
1 vote
1 answer
3k views

Firefox reports SEC_ERROR_CA_CERT_INVALID after changing web site certificate

I have a server running on my internal network. For SSL support, I have set up an internal CA (using OpenSSL) and issued a certificate for the server. The certificate chain is as follows: Example ...
0 votes
1 answer
221 views

Disable SSL for Google in Firefox

Since a couple of weeks I'm having problems with Google (Firefox 47.0 x64), specific with the SSL certificate. Every time I'm tried to load a Google page: Gmail, Search, Plus, Maps, Wallet, PlayStore ...
3 votes
2 answers
46k views

Getting Certificate error on IE and Chrome but opens in FireFox

I am trying to open https://github.com on IE 11 and Chrome but it gives a SSL certificate error NET::ERR_CERT_AUTHORITY_INVALID on chrome with no option to proceed ahead. It's happening with almost ...

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