Firefox is a Web browser that is smaller, faster, and in some ways more secure than the Netscape browser from which much of its code was derived.

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How secure is the native browser password autofill?

Safari, Chrome, Firefox, Edge, and IE all either have a suggest-password feature, or password archival feature. How secure are these passwords when stored on a computer? If replicated, how secure ...
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Script injection on all browsers

I have something injecting a script into all web browsers that I have tried - Firefox, IE, Edge, Chrome - and it doesn't look like an extension (since it is doing so in different web browsers). I ...
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Firefox refuses to use X509 certificate, complaining “Cound not verify this certificate for unknown reasons”

I stumbled upon this question and answer. I have the same problem as the OP, and am sorry to report that the proposed answer does not resolve it. Certificate in question has been verified by OpenSSL-1....
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Untrusted connection when logging to stack exchange sites

I was able to log into various stack exchange sites with no problem, but as of today 1/5/2016 I'm getting the following error message with firefox 43.0.2: You have asked Firefox to connect ...
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How to disable typed arrays in firefox as rowhammer mitigation

I am concerned about the potential attack surface exposed by JavaScript typed arrays as a means of performing rowhammer attacks. Is it possible to disable (via official means or otherwise) typed ...
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268 views

Some http requests are not send encrypted by vpn! Why?

I subscribed to a VPN service recently, and installed wireshark to take a look at the traffic sent from my computer. Practically all of it goes through UDP protocol, encrypted. But there are two HTTP ...
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Making the Firefox key and CSR creation process transparent

Background I was a bit surprised that several CAs do not allow anymore to send a plain old CSR in text form to them which was created in the classic fashion with OpenSSL or similar. But this would ...
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Untrusted Certificate Not just on my computer?

yesterday I tried going to several websites but an "untrusted certificate" warning popped up several times. Eventually it went away. I am the latest version of Mozilla Firefox. I also connect to ...
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Browser Autopwn2 Unable to exploit Firefox 47.0.1

Virtual Appliance: VMWare Workstation 12 Player Local VM: Kali Linux 2 Remote (Victim) VM: Windows XP Browsers on Remote VM: Firefox 47.0.1, IE 6 This article explains Browser Autopwn2 exploit. I ...
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How to check Firefox CA health?

If we have a RHEL based desktop at a workplace, how can we check the health of the Certificate Authorities trusted by Firefox? I mean: The list that which CA is allowed in the webbrowser And that ...
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Persona private key storage?

Following the Q&A here, I have a few remaining questions: I am still confused about whether the could be any local access from a malicious browser extension to this shimmed private key or not? ...
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Is there any extra validation that Firefox perform to certificates serial number

I open a secured site in my computer. for my reasons, I created new certificate every 15 minutes. I noticed that, sometimes, Firefox "doesn't like" my certificate. after little investigation, I ...
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What is the goal of sign a key in BrowserID certificate?

I'm learning about the Mozilla Auth. it has an implementation of SRP protocol in https://github.com/mozilla/fxa-auth-server/blob/master/docs/overview.md and his client; example is https://github.com/...