Serious Problem: How reliable are VPN extensions like MullVad VPN for Firefox?

Good morning,

I keep my VPN for only one specific web browser so when I want to turn on the VPN I have to exit every App/Service in Windows 10 and this gets REALLY tedious.

Has anyone tried using a VPN extension that resides and ONLY changes the IP address in that ONE and ONLY web browser?

I need to shut down every App when I use the VPN because I don’t want to accidentally login to one of my bank accounts or another account that assumes I’m always in the same country. I also use some websites that do not allow VPN’s to be used and ban users upon discovery… :sob: :sob: :sob:

I’ve done an insane amount of research on this but I just can’t find a concrete guarantee that VPN extensions are secure and reliable?

Obviously I want to pay for a VPN product as the free VPN’s seem FAR too dangerous to even consider.

I’m looking at this exhaustive list now, but I don’t know which is the best?:
https://addons.mozilla.org/en-GB/firefox/search/?q=vpn&sort=users&type=extension

Thanks for reading my question.

Browser extensions are just proxies. Maybe you should use split tunneling?

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I appreciate your reply!

I’m looking into split tunnelling.

I just realised that I could always use 2 PC devices at the same time: One PC device with VPN turned on and one PC device with VPN turned off, but I can’t do that.

I forgot to mention that one problem with the Mullvad VPN extension is that it’s NOT available on the Official Mozilla Extension Database:

I’m very selective before I install any extension and I’ve NEVER tried installing an extension that didn’t come from the Official Mozilla Database.

Please note that all extensions on Firefox, wheter they come from addons.mozilla.org or elsewhere, need to be signed by Mozilla. So if you can add the extension, it has gone trough automatic testing, and probably human verification as well.

Source: https://support.mozilla.org/en-US/kb/add-on-signing-in-firefox

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If you want to have a single whole browser go through a Mullvad VPN proxy, the easiest is to set a proxy in the browser settings directly.

The Mullvad Browser Extension would enable you to have different proxies for different websites, but since that’s not your usecase, then you might as well configure directly at browser level.

Here’s how to do it: SOCKS5 proxy

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I appreciate your replies!

I’m REALLY struggling with this because I need to exit all of my Apps on my Win10 Pro PC and only then can I open and connect my VPN but this is a tedious process…:

This is why me being able to use a VPN without needing to exit any other Apps on my Win10 Pro PC would be amazing.

Do many users only have their VPN turned on and working from within their browser whether that’s Brave, Firefox or Mullvad? I’ve never tried this before…

It seems to me you would be better served to use a virtual machine, and tunnel this virtual machine through the VPN.

This way, you would not have to turn off any of your applications.

Depending on your threat model, you could even use Qubes to achieve this.

But I’m probably not the person you should listen to at this point, because I’m not an expert in virtualisation and isolation.

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I appreciate your reply!

I’m looking at Qubes now.

I forgot to mention:
There are other options to Mullvad:

Firefox and Brave both have premium firewall products but I have no idea how to choose which one. Price doesn’t matter to me since it’s related to my network security:

I’d appreciate it if people could give their experience with using either Mullvad’s VPN, Firefox VPN or Brave’s.

Just so it’s clear I only want the web browser (Mullvad/Firefox/Brave) to have a VPN while the rest of my Apps do not.

I’ve searched the forum and I can’t find a comparison… Please help me. :hot_face: :hot_face: :hot_face: :hot_face:

I’ve had good experiences with Mozilla VPN and Firefox. When combined with the container tabs on desktop, you can:

  • Configure container tabs to always open specific domains in a specific container.
  • Configure a container to use a specific VPN city.

Mozilla VPN needs to be running on your computer for this to work correctly.

I don’t know if you can disable the VPN/proxy for one container, but I know you can specify a different VPN location for a specific container.

Edit: it looks like completely disabling the VPN is not currently possible, but a Firefox employee said “we are on it”: Disable/Enable Mozilla VPN per container in Multi-... - Mozilla Connect

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I think we should wait for a stable release of the Mullvad extension on firefox. I tried it a while ago and it had leak issues. They fixed it in recent updates (i think). But still I would only use the extension on the mullvad browser not on firefox.

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I appreciate your reply!

YES, my IP address leaking is my HUGE concern with using a VPN that only works in a web browser. If I use the Mullvad web browser and subscribe to the Mullvad VPN would I still be risking an IP address leak???

It is stable. And the extension is already by default on Mullvad Browser.

Why did you create an account just to say this?

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First of all, I mentioned the leak issue on Firefox and I have already said Mullvad browser didn’t have such issue. I checked it recently and extension didn’t have the issue on firefox either. However, I gave my opinion according to what seemed right to me as I had also used the extension while it was leaking IP. I hoped the person asking the question wouldn’t make that mistake.

Second, I didn’t create the account just to say this. I have been following the community for past one month and I felt like saying something so I did.

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I would expect you to provide proof of this. Otherwise, this is FUD.

You don’t need to believe it. I just told you what I experienced. Now it’s on you if you want to believe it or not. Have a good day :+1:

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Then prove it with screenshots.

Again, I don’t NEED you to believe it. I already told you that this WAS an issue. PLEASE read the whole comment again.

I personally use Mullvad and enjoy it a lot. I would say I feel Mullvad is the top tier when it comes to privacy respecting and their mission. The one downside (which is an upside) is they provide clear transparency into their VPN servers, so it’s a little easier for companies to block them (I mainly see this if attempting to use a streaming service with the VPN). Other VPN providers may have more servers than Mullvad (this needs fact checked), but this poses no issue for me.

If you want a comparison, you should read the main article on PG about VPNs. After you read all of that and you have more specific questions, I’d say ask those.

As for your problem, sounds like an issue solved with the Mullvad extension for Firefox or the Mullvad browser. Otherwise, you’ll need to look into split tunneling as others mentioned. The final solution is to create a virtual machine and just have the virtual machine (VM) always connected to the VPN. If it’s only for browsing, you could probably get away with installing some Linux distribution on the VM.

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VPN extensions are reliable, but you should disable uncloak canonical names on uBO when using them.

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