It is very important you don't get into a habit of doing this procedure, and only to do it when you know with COMPLETE certainty that the certificate is legitimate. It's probably going to be from a security vendor of some kind like Symantec or Barracuda.Ĭlick on it, and then go to Export at the bottom.Ĭlose the security and certificate windows, and open your Firefox settings (top right hamburger menu, Options)Ĭlick Advanced on the bottom left, and then click View CertificatesĬlick the Authorities tab, and then Import Under Certificate Hierarchy, examine the name of the topmost certificate. In the Security tab, click on View Certificate, and then the Details tab on the new window. Open up the certificate properties for one of the pages you get an error on (after adding the exception in Firefox) by clicking the lock in the address bar, the right arrow, and then 'more information'. You're not going to get to the internet without accepting their certificate, so here's how you do that: That said, if you're getting cert warnings for everything on a private network, it's almost certain that the local IT group is running an SSL interception proxy. Firefox usually errs on the side of not letting you view a site at all in case of some problems rather than letting you override it even if you want to. That's a terribly terse answer, but I'm afraid it's all there is. Is there any thing that would do the same in Firefox? (I'm using the latest version of Firefox on Windows 7)

An additional root certificate may need to be imported.įor Chrome, there is an unsupported command line switch –ignore-certificate-errors but it makes Chrome ignore all SSL certification errors. The server might not be sending the appropriate intermediate certificates. The certificate is not trusted because the issuer certificate is unknown. Also for some sites, resources (such as images, stylesheet, scripts) from different domains won't load and the sites become broken and unreadable.

Is there a way to make Firefox ignore invalid ssl-certificates? – Stack Overflowīut in my case, an exception still has to be added every time I visit a secured site.

certificate – How to bypass the 'secure connection failed' warning in Firefox 33 – Super User.

So far I have tried the solutions from these questions. Every HTTPS connection results in SSL certification errors (maybe those people use 'man-in-the-middle' approach to decrypt the HTTPS traffic in the network?)

I'm on a private network with a lot of restrictions and monitorings.

Google invalid security certificate