Firefox: Secret Mode For Adults - How To Reach It


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A hidden internal Firefox page should be used by users "not without adult supervision". But this has nothing to do with private windows alias porn mode.

Some oddity in Firefox makes users frown or smile. For example, the browser opens not only web pages, but also locally secured HTML Internet pages and internal configuration and control pages. A lot of the latter exist. It is amusing that the address bar command about:about shows the hidden treasures, including itself. The about pages are linked, so you can easily switch to them with a click. But mouse clicks on the link about:about are wasted - after all, the page is already open, so what's there to load? Listed in the overview is also about:networking. Whether you click on the address or type in the address bar: The quasi-adult mode amuses due to its security warning. This is even more wicked than the about:config warning known among Firefox hobbyists, according to which "here possibly the warranty" ends.

Note: The above message appears in Firefox up to and including version 68, but no longer appears in Firefox 69 and later. Since the whole thing is a lot of fun, this article will hopefully still be interesting. Especially: What only adults are allowed to do, you can still do in current Firefox versions on about:networking.Firefox: about:networking = adult mode
When calling about:networking, the browser reports up to version 68: "This function is very experimental. Do not use it without adult supervision." By clicking on the "OK" button you enter the area anyway. Removing a checkmark in the previous step causes the message to be omitted in the future.

The page is intended for technicians, at developer.mozilla.org Mozilla describes it as follows: "Displays network information". What is questionable is that children may be out of place here - but do adult users need the recommended "adult supervision"?

windows alias the porn mode has nothing to do with this.

Firefox from the age of 18 - this is not quite correct, but some users might understand this to mean the browser message. Meanwhile the whole thing is obsolete again.

Some oddities in Firefox make users frown or smile. For example, the browser opens not only web pages but also locally secured HTML Internet pages as well as internal configuration and control pages. A lot of the latter exist. It is amusing that the address bar command about:about shows the hidden treasures, including itself. The about pages are linked, so you can easily switch to them with a click. But mouse clicks on the link about:about are wasted - after all, the page is already open, so what's there to load? Listed in the overview is also about:networking. Whether you click on the address or type in the address bar: The quasi-adult mode amuses due to its security warning. This is even more wicked than the about:config warning known among Firefox hobbyists, according to which "here possibly the warranty" ends.

Note: The above message appears in Firefox up to and including version 68, but no longer appears in Firefox 69 and later. Since the whole thing is a lot of fun, this article will hopefully still be interesting. Especially: What only adults are allowed to do, you can still do in current Firefox versions on about:networking.
Firefox: about:networking = adult mode
When calling about:networking, the browser reports up to version 68: "This function is very experimental. Do not use it without adult supervision." By clicking on the "OK" button you enter the area anyway. Removing a checkmark in the previous step causes the message to be omitted in the future. The page is intended for technicians, at developer.mozilla.org Mozilla describes it as follows: "Displays network information". What is questionable is that children may be out of place here - but do adult users need the recommended "adult supervision"?
Is this just for grown-ups, maybe tough guys? Probably not.

Mozilla explains: "The page about:networking was created to debug internal network interfaces of Firefox. It is not aimed at end users, but rather at interested developers. The wording of the warning should be humorous, similar to the warning in about:config, and should only indicate that it is an internal feature."

The following is a tip for analyzing websites via about:networking without danger to your PC and the Internet. You do not need to be an adult to do this …

Check SSL and check HTTP/2
Here is a simple application scenario for using about:networking without breaking anything: In the already active section "HTTP" you will find a list of the websites you have visited - a chronicle (in Internet Explorer jargon: history), so to speak, drilled out with additional details. By means of the columns "SSL" and "HTTP/2" you can see whether visited pages are secure and fast. At least some information will give you some clues. SSL (Secure Sockets Layer) stands for transport encryption; the term is outdated, modern websites use the SSL successor TLS (Transport Layer Security). However, SSL is probably known to more people than TLS. If Firefox certifies a website as "true" when it says "SSL", the call is hacker-secure - and the address starts with https://. SSL-affirmed websites can theoretically use the HTTP/2 acceleration technique; HTTP pages without transport encryption do not use HTTP/2. Firefox users can recognize such modern sites as Bing, Facebook, Google or Twitter by a "true" notation at "HTTP/2".

Are you surfing in tabs that are opened parallel to the about:networking page - and don't want to manually refresh the evaluation page by pressing F5 (including a warning to be sent again until Firefox 68) or by pressing the "Refresh" button? To include the most recently loaded web pages in the evaluation, check the box "Automatically refresh every 3 seconds" - yes, the wording is "all". To specifically check a visited page for its technical specifications, use the Firefox search function: Press Ctrl-F, enter the URL and wait until the corresponding line is highlighted. Now look for "true"/"false" for "SSL" and "HTTP/2".

PS: In Firefox up to version 68, the auto update function of about:networking is called "Update automatically every 3 seconds". With Firefox 69, Mozilla corrected the name to "Automatically update every 3 seconds" - but also took the humor out of Firefox by removing the adult supervisor message. Previously, the message could be suppressed by ticking the checkbox, but now it is gone by default.