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How to force Firefox to trust my mitm https proxy certificate?

Hi! I want to dump/debug http traffic with mitm proxy: https://github.com/ganskef/LittleProxy-mitm . This proxy generates it's own root certificate which i manually impo… (читать ещё)

Hi!

I want to dump/debug http traffic with mitm proxy: https://github.com/ganskef/LittleProxy-mitm . This proxy generates it's own root certificate which i manually imported to Firefox from about:preferences#privacy > View Certificates > Authorities > Import. I verified that cert shows up after importing it. But I get errors despite of that:

Secure Connection Failed

An error occurred during a connection to www.youtube.com. Peer’s certificate has an invalid signature.

Error code: SEC_ERROR_BAD_SIGNATURE

Is there a way to bypass it?

Задан wybqogzigoxruxdhnp 1 год назад

Дан ответ wybqogzigoxruxdhnp 1 год назад

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pdf Files will not open with adobe acrobat and I have the open pdf files with adobe acrobat checked?

I use html pages on an internal hard drive that link to pdf documents. For some reason since Version 91.0.2 was installed I can not get the pdf documents to open with Ado… (читать ещё)

I use html pages on an internal hard drive that link to pdf documents. For some reason since Version 91.0.2 was installed I can not get the pdf documents to open with Adobe Acrobat Reader DC.The new version insist on opening the pdf's in the Firefox web browser. When I click on a pdf link at an external website the files will open in Adobe Acrobat. I used the code below to test the open in Adobe Acrobat execution and it works on the w3School example. When I run it strait from my hard drive the document opens in the Firefox web browser. 

<!DOCTYPE html>
<html>
  <head>
    <title>Title of the document</title>
  </head>
  <body>
    <h1>PDF Example</h1>
    <p>Open a PDF file <a href="datasheet_cube-model-715.pdf">example</a>.</p>
  </body>
</html>

Please let me know if there is a solution. Thank you,

Задан leodesign1 1 год назад

Дан ответ cor-el 1 год назад

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Firefox doesn't load CSS file

Hi! I'm a web developer and when I open a HTML file (located in my pc) firefox doesn't see the css file with styles. This is the code line with the css link: <link r… (читать ещё)

Hi! I'm a web developer and when I open a HTML file (located in my pc) firefox doesn't see the css file with styles. This is the code line with the css link: <link rel="stylesheet" href="style.css" type="text/css">

If i go to the developer console it give me this error (translated): <The character encoding of the HTML document has not been declared. The document will be displayed with incomprehensible text in some browser configurations in case it contains characters outside the US-ASCII range. The character encoding of a page shall be declared in the document or transfer protocol>

How can i solve it? Thanks

Задан enricotest223 1 год назад

Дан ответ Terry 1 год назад

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COPY / PASTE NOT OPERATIONAL WITH FF

I am using Firefox Browser release 91.0.1 (64 bits) under Windows 10. When I copy a text, it is: - Impossible to PASTE it in a webmail application (i.e. laposte.net) und… (читать ещё)

I am using Firefox Browser release 91.0.1 (64 bits) under Windows 10.

When I copy a text, it is: - Impossible to PASTE it in a webmail application (i.e. laposte.net) under FF - Without any trouble with the same application under Google Chrome version 92.0.4515.159 (Build officiel) (64 bits)

Thanks in advance to help me to fix this issuer.

Best regards

Задан RENARD 1 год назад

Дан ответ FredMcD 1 год назад

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Google search bar from center of firefox screen now defaults to URL screen -its VERY sloppy and distracting

I have used mozilla firefox for over 5 years. It have always had a GOOGLE search bar in the center of the screen and it has worked correctly - now whenever i try to input… (читать ещё)

I have used mozilla firefox for over 5 years. It have always had a GOOGLE search bar in the center of the screen and it has worked correctly - now whenever i try to input words into the GOOGLE search bar located in the center of the screen it defaults and jumps to the URL/Web Address Bar at the near top off the screen - this jump to the address bar is VERY distracting and inconvenient! How can I revert to using ONLY the search bar in the center of the screen? I have worked on this for two solid days and none of the recommended fixes have worked. I have uninstalled and reinstalled Google and Firefox numerous times but now it always defaults any Google search to the address bar! THIS MUST STOP!!! Thanks!!! Sincerely!!!

Задан ekbass 1 год назад

Дан ответ TyDraniu 1 год назад

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Turn off permanent private browsing mode

I did not knowingly turn on permanent private browsing mode, but it is on and I can not find any way to turn it off. How do I turn it off? Running FF 91.0.1 on Win 10. … (читать ещё)

I did not knowingly turn on permanent private browsing mode, but it is on and I can not find any way to turn it off. How do I turn it off? Running FF 91.0.1 on Win 10.

Задан bsmith3544 1 год назад

Дан ответ cor-el 1 год назад

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Cannot log in to American Airlines website AA.Com

For the past couple of weeks I am not able to log in to AA.com. When I fill in the require fields ( AAdvantage # or username, Last name, Password), it redirects to https:… (читать ещё)

For the past couple of weeks I am not able to log in to AA.com. When I fill in the require fields ( AAdvantage # or username, Last name, Password), it redirects to https://www.aa.com/sorry.html. I have no problem logging in on one of the other major web browsers. Ad blocker is turned off, cache has been cleared, all the tricks that usually solve such problems. So, I'm beginning to think that something in a recent Firefox update doesn't play nice with AA.com. I'm using Firefox Ver 91.0.2.

Any suggestions?

Задан Tom Huckstep 1 год назад

Дан ответ Tom Huckstep 1 год назад

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Firefox line spacing, and window title vertical size.

Please provide an option to revert to the smaller line spacing and the original smaller top window title vertical size. For those of us using smaller displays the new si… (читать ещё)

Please provide an option to revert to the smaller line spacing and the original smaller top window title vertical size. For those of us using smaller displays the new sizes in Firefox make it much less friendly, and inconsistent with other software on the same PC. Thanks!

Задан firefox1110 1 год назад

Дан ответ Toad-Hall 1 год назад

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Inbuilt PDF viewer not working

I have Firefox 91.6.0esr (64-bit) on Windows. Previously I could access PDFs on a number of websites using the inbuilt PDF viewer. However now Firefox returns a save-as p… (читать ещё)

I have Firefox 91.6.0esr (64-bit) on Windows. Previously I could access PDFs on a number of websites using the inbuilt PDF viewer. However now Firefox returns a save-as prompt.

I have checked the headers of some of these pdf pages and the header content-disposition: inline; filename=<abcdefg> is contained which I think should cause the PDF to be rendered in the browser but this is not happening. The pdfs on the same pages can be viewed using Edge.

Has the behavior of Firefox recently been changed?

Задан denim.yaasir 1 год назад

Дан ответ jscher2000 - Support Volunteer 1 год назад

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Open all synced tabs

Hello everyone, I have always been a fan of the sync feature. i have 3 devices i use everyday with my tabs open between all of them. now, just recently i switched to linu… (читать ещё)

Hello everyone, I have always been a fan of the sync feature. i have 3 devices i use everyday with my tabs open between all of them. now, just recently i switched to linux and ported over my 500+ open tabs using the sync feature by just clicking "Open all taps" button. while playing around i missed up the os and had to reinstall it. now i am here in firefox looking at my synced tabs little window and there is no "open all tabs" button anymore. where did it get moved to? i looked everywhere and i couldn't find it. i cant just spend two or so hours opening all my tabs manually...

Thank you for your time.

Задан waelother12 1 год назад

Дан ответ waelother12 1 год назад

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Firefox does not work when accessing my ASUS router's management console

ASUS recently updated the firmware on my home router. Since then Firefox does not work when accessing my ASUS router's management console. By this I mean that I get a b… (читать ещё)

ASUS recently updated the firmware on my home router. Since then Firefox does not work when accessing my ASUS router's management console. By this I mean that I get a blank white screen after connecting to the router. How do I go about debugging this? I am guessing that the issue is caused by one of the add-ons that I have installed in Firefox, but I guess it could also be a setting I have made. In any event, I am looking for a quick methodology to figure out what is causing this incompatibility.

Задан Rumboogy 1 год назад

Дан ответ Rumboogy 1 год назад

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Firefox preventing PC going into sleep mode

From about the time I installed Dropbox 2-3 weeks ago my Windows 10 PC won't go into sleep mode unless I close Firefox first. Closing Dropbox makes no difference so it … (читать ещё)

From about the time I installed Dropbox 2-3 weeks ago my Windows 10 PC won't go into sleep mode unless I close Firefox first. Closing Dropbox makes no difference so it might just be co-incidence. If I use Norton to run a scan and go into sleep mode at end that also works, and PC stays asleep until I wake it. Have tried refreshing Firefox but no improvement (running Firefox 91.0.2 (64bit)). Any thoughts please?

Задан mike 1 год назад

Дан ответ mike 1 год назад

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Cannot unmark "Delete cookies and site data when Firefox is closed"

Dear all, I cannot unmark the setting "Delete cookies and site data when Firefox is closed". It is annyoing to enter each time all accounts if I want to go to facebook f… (читать ещё)

Dear all,

I cannot unmark the setting "Delete cookies and site data when Firefox is closed". It is annyoing to enter each time all accounts if I want to go to facebook for example, after firefox is restarted.

Firefox will remember history is set. I don´t think i am using privacy mode.

kind regards,

Задан hornyx84 1 год назад

Дан ответ FredMcD 1 год назад

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jsonlz4 file did not import bookmarks when I chose the restore/choose file option

I needed to have Windows 10 wiped and reinstalled from my laptop, and the guy who did it cloned my files to save everything. I saw instructions on another post on how to … (читать ещё)

I needed to have Windows 10 wiped and reinstalled from my laptop, and the guy who did it cloned my files to save everything. I saw instructions on another post on how to find the bookmarks file under Profile, but it didn't do anything after confirming that it would wipe out all current bookmarks. What am I doing wrong?

Задан jayhutchison 1 год назад

Дан ответ jayhutchison 1 год назад

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Firefox window does not open properly.

I've just upgraded to Firefox 91.0.2 (64 bit) on a Windows 10 system. Clicking on the Firefox icon on my toolbar indicates that the program is active, but no window appea… (читать ещё)

I've just upgraded to Firefox 91.0.2 (64 bit) on a Windows 10 system. Clicking on the Firefox icon on my toolbar indicates that the program is active, but no window appears. Trying to close the program by right-clicking doesn't do anything and I have to use the Task Manager to get rid of it. The attached screenshot shows what happens when I hover the cursor over the taskbar icon.

Clicking on a URL sent me in an email also does the same.

Oddly, right-clicking and selecting 'open new window' works, so I can still sort of function, but it's a real pain.

I have only one monitor, so it's not a dual-monitor issue.

Задан ptoye 1 год назад

Дан ответ ptoye 1 год назад