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Firefox 83 introduces HTTPS-Only Mode

blog.mozilla.org

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Re: Firefox 83 introduces HTTPS-Only Mode

#141

I have been using HTTPS Everywhere for many years: https://www.eff.org/https-everywhere

Reading the docs (and my memory) HTTPS Everywhere works based on a predefined list of sites that should be upgraded.

The nice thing about the new Firefox feature is that the browser won't make any insecure connections unless I explicitly allow it.

Re: Firefox 83 introduces HTTPS-Only Mode

#142
post #115

This is a great step, but I wish browsers would allow you to set domains that are considered to be secure origins in all cases. I have a decent intranet with transport security guaranteed by VPN, but because it isn't "HTTPS" I can't access tons of browser features.

HTTPS guarantees a higher level of security than "intranet", it works against on-path adversaries and provides end-to-end confidentiality & integrity & authenticity, plus provides forward security.

This is an important point: Modern TLS is often better crypto than most commonly deployed VPNs.

Re: Firefox 83 introduces HTTPS-Only Mode

#143
post #138

There's a phenomenon I observe quite regularly in tech. A problem exists and creative people develop an innovative solution to said problem. The solution then becomes popular and a singular goal of uncreative people who deploy said solution everywhere and push it to its logical extreme. I remember seeing this in the mid-2000s when HTML tables were shunned in favour of "divs". I saw people reinventing tables using div…

> Am I supposed to trust them more than some man-in-the-middle just because they own a domain name? The green padlock will not turn any unreliable fake news site of your choise in a trustworthy outlet but it does make some guarantees about it being the same site as yesterday (barring security leaks or missed DNS renewal) AFAIU the elefant in the room is that if your DNS resolver is malicious and points all domains to…

> but it does make some guarantees about it being the same site as yesterday

No it doesn't. Are you thinking of TOFU via public key pinning?

Re: Firefox 83 introduces HTTPS-Only Mode

#144
I hope they aren't going to force users in https-only in the future. Software shouldn't cut off legacy content (old websites that aren't going to be upgraded with https) something just because in theory it is more secure. If someone is surfing the web as an adult he is responsible of himself. Other than this there are historical components (web firewalls) that aren't going to work anymore .. so security is a matter where it is an interest of someone (certificate sellers?)

Re: Firefox 83 introduces HTTPS-Only Mode

#145

There's a phenomenon I observe quite regularly in tech. A problem exists and creative people develop an innovative solution to said problem. The solution then becomes popular and a singular goal of uncreative people who deploy said solution everywhere and push it to its logical extreme. I remember seeing this in the mid-2000s when HTML tables were shunned in favour of "divs". I saw people reinventing tables using div…

Tables are better as well in the sense that they are a higher level representation than divs. The problem was that people were then using tables as a way to layout pages rather than to use them to display tabular data.

I think it is deeper, the problem is that HTML tables are serialized in row and columns separately, so for example if you wanted a cell to be 2 rows tall and 2 columns wide there wasn't a local change that could allow it.

To my understanding CSS Grid is meant to solve this

Re: Firefox 83 introduces HTTPS-Only Mode

#146
post #131
post #79

Earlier quoted context omitted.

What makes it more expensive? A certificate is free (With LE or self-signed), the performance impact is negligible and there's a clear reason for why everyone should be using it.

It does add a "tax" of sort in the form time or attention that must be paid to keep a website up. You can't just sling some files in a directory and be done -- you have to pay for certificates or pay (in time and executable capability) to keep LetsEncrypt up to date. And, as wonderful as LetsEncrypt is, it's not forever. At some point, they're gonna' get tired of messing with it or it will get taken over by private e…

There are good reasons to insist on the use of HTTPS for all sites on the public web, with no exceptions or excuses. This topic has cropped up before:

https://news.ycombinator.com/item?id=21912817

https://news.ycombinator.com/item?id=24640183

https://news.ycombinator.com/item?id=22147858

Re: Firefox 83 introduces HTTPS-Only Mode

#147

There's a phenomenon I observe quite regularly in tech. A problem exists and creative people develop an innovative solution to said problem. The solution then becomes popular and a singular goal of uncreative people who deploy said solution everywhere and push it to its logical extreme. I remember seeing this in the mid-2000s when HTML tables were shunned in favour of "divs". I saw people reinventing tables using div…

HTTPS ensures the following things

1. You are talking to the domain that you think you are. 2. No one else can see the traffic in transit. 3. No one has modified the traffic.

It does not provide any guarantee around the trustworthiness of the domain itself. (Well EV Certs try but as far as I am concerned that is worthless.)

1 and 3 are not helpful in your example of "Am I supposed to trust them more than some man-in-the-middle" but it does help once you establish other trust in that domain. For example a friend sent you the link, or you start using the site regularly.

However personally even just 2 is a tangible benefit when I am using public connections. I very much like the idea that my browser will not send out an unencrypted data without my explicit approval.

Re: Firefox 83 introduces HTTPS-Only Mode

#149

I hope they aren't going to force users in https-only in the future. Software shouldn't cut off legacy content (old websites that aren't going to be upgraded with https) something just because in theory it is more secure. If someone is surfing the web as an adult he is responsible of himself. Other than this there are historical components (web firewalls) that aren't going to work anymore .. so security is a matter w…

The feature has an allow-list so you can configure your sites the way you want.

Re: Firefox 83 introduces HTTPS-Only Mode

#150
post #67
post #54

Earlier quoted context omitted.

Yes, but one less extension with access to all your history, passwords and all other info.

WebExtensions have permissions and I doubt the EFF requests passwords and history for this extension. It’s also open-source, and although installing it from addons.mozilla.org could introduce some sort of MITM opportunity, as a recommended extension Mozilla puts it through a review process, so it’s about as tame as an extension this capable can get. But yes, it is always nice to reduce extensions installed.

I have been using HTTPS Everywhere since forever. Here are the permissions required:

* Access browser tabs

* Access browser activity during navigation

* Access your data for all websites

So can be pretty devastating if it went rogue, which I doubt.

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