Diễn đàn hỗ trợ Firefox

I don't want to be able to scroll the page by selecting text. That's what the scroll wheel is for. More often than not this 'feature' just results in frustration as scrolling the page selects more text. Can I just disable this altogether somehow?

latest 124.0.2 causing severe problems, it will near instantly bloat to fill all RAM and SWAP even in safe mode causes system load over 24! only solution is to reboot very problematic on for ex: https://epg.pw/xmltv/epg_CA.xml hard to get a screencap since system is nearly totally unresponsive. RAM is ok SSD is ok MX Linux is ok

I am unable to get printing to work correctly using Firefox with Epson POS TM-T20 thermal printers we have a work.

We're currently running Firefox on Debian 12. I've tried both the ESR version that comes with the Debian repository and the latest Firefox as a flatpak.

When printing to the receipt printer, the only thing that is printed is the left-hand most part of the logo and a little part of the text and this occurs towards the right-hand side of the paper. I've changing all of the settings, resetting the settings for the print in about:config, but nothing seems to work.

I'd love to get this working so that staff could use Firefox. I'm attaching an image of what the print job looks like and a screenshot of what the print-preview shows.

Hello everyone,

Why some Wikipedia pages cannot activate reading mode under Debian 12 and Firefox ESR 115.9.1, for example this English Wikipedia page on Emmabuntüs does not allow reading mode to be activated while French, Spanish and German pages can ?

See our test video on this subject: http://share.emmabuntus.org/Accessibility/Firefox_mode_lecture_non_disponible_emmabuntus_en.mp4

Is there a utility to test pages compatible with reading mode?

Or otherwise in which Firefox log file to see if a page is compatible or not?

Thanks in advance for your help.

mouse pointer is nice size in general but becomes VERY small when I go into websites. this happens when i use either floorp or firefox but is fine when i use chrome( would rat5her not use google). i just don't see where I can fix this in Firefox settings

For the last few months YouTube appears to have broken CSS and text in multi-line blocks is broken and overlaps. I'd guess this is only for text that auto line wraps. The example screenshot is of a pseudo dialog but the problem is everywhere on multi-line text in YouTube.

I'm running Firefox 124.0.2 (64-bit) on Operating System: openSUSE Tumbleweed 20240419 KDE Plasma Version: 6.0.4 KDE Frameworks Version: 6.1.0 Qt Version: 6.7.0 Kernel Version: 6.8.7-1-default (64-bit) Graphics Platform: Wayland Processors: 32 × 13th Gen Intel® Core™ i9-13900K Memory: 62.6 GiB of RAM Graphics Processor: AMD Radeon RX 6650 XT Manufacturer: Gigabyte Technology Co., Ltd. Product Name: Z790 AORUS ELITE AX

I have a problem where if I install the packages needed to get hardware video decoding working in firefox it completely breaks YouTube playback. I can't find any info on the internet about the problem and I am having a lot of trouble with it. YouTube playback with libva-mesa-driver and libva-vdpau-driver will start stop restart start playing audio then crash with a this error every single time. I am at my wits end trying to figure out this problem and I would love help figuring out the problem I am using firefox-developer-edition as a note thanks Ozzy

In Linux Ubuntu I created 4 different launchers for 4 profiles.

Firefox opens the different profiles correctly, but the name of Profile 4 is displayed in the title bar for all windows. This causes confusion when I'm using the different profiles. Furthermore, the icon displayed in the icon bar is also the same for the 4 profiles, although I have configured a different icon for each profile. I ask for help as I need each instance to have its own name and icon displayed correctly.

The launchers look like this:

firefox-profile1.desktop: Name= Profile 1 Exec=firefox -P profile1 --no-remote Icon=~/.local/share/icons/profile1.png

firefox-profile2.desktop Name=Profile 2 Exec=firefox -P profile2 --no-remote Icon=~/.local/share/icons/profile2.png

firefox-profile3.desktop Name=Profile 3 Exec=firefox -P profile3 --no-remote Icon=~/.local/share/icons/profile3.png

firefox-profile4.desktop Name=Profile 4 Exec=firefox -P profile4 --no-remote Icon=~/.local/share/icons/profile4.png

My system broke during an update. Now I want to import my old Firefox userdata, but everytime I try to use the old data firefox just forces the creation of a new profile?

Is it completely impossible to recover data not created with the same firefox version?

Others asked and were pointed to extensions. As long as extensions get access to my pages, I'm not willing to use any. So, is there an option in advanced settings, to return to previously viewed tab when I close a tab? Thanks, Cat

Hi,

I was using FF on Ubuntu 22.04.4 LTS. Had version FF 120.x and playing video in Netflix worked fine. Then I updated to FF 124.x and playing video stopped with error F7355-1203.

I've checked the DRM setting and it is enabled, I checked addons and I have OpenH264 and Widevine installed, both set to always active.

I've checked installed codecs and I do have libavcodec58 installed. No update for that available via apt. I also have ffmpeg installed, no problem with that either. I can play Netflix videos in Chrome, but not in Firefox now. Something happened to Firefox when I updated from 120.x to 124.x. Today I updated to 125.x, same problem, Netflix video won't play.

I've unchecked the DRM setting and re-checked it, and that does reinstalled Widevine but does not fix the problem.

Any ideas what could be the cause?

hello everyone; i have a strange issue with my yubikey and firefox on redhat linux 8. (i can't upgrade to red hat 9 and it's technically oracle linux)

its works fine for the first x hours (where x is usually between 1 and 3 hours) and then firefox will invariably stop recognizing the yubikey touch. yubikey works with any other application in that journalctl shows that systemd is aware of it's existence when i plug/unplug it and i get a string in my terminal and text editors whenever i touch they key both before and after it stops working with firefox.

i've tried these things but the behavior is still the same: - regenerating my ~/.mozilla configuration directory - toggling all *webauth* keys in about:config - switching from yum to flatpak firefox installation - switching from gnome to kde to xfce - switching from Wayland to X11

there are no error messages; journalctl doesn't show any either; and chrome doesn't seem to have this problem, but i don't trust chrome and, interestingly, chrome exhibits the same behavior when using xfce.

the only thing that works reliability is rebooting each time it happens and, as you can imagine, that's 100% intrusive and i lose all momentum in my productivity.

here's details on my system:

Firefox version: 115.10.0esr (64-bit)

OS: Red Hat Enterprise Linux release 8.9 (Ootpa) Oracle Linux Server release 8.9 5.15.0-205.149.5.1.el8uek.x86_64

X Windows info: gnome-session-wayland-session.x86_64 3.28.1-21.0.1.el8 @AppStream libwayland-client.x86_64 1.21.0-1.el8 @AppStream libwayland-cursor.x86_64 1.21.0-1.el8 @AppStream libwayland-egl.x86_64 1.21.0-1.el8 @AppStream libwayland-server.x86_64 1.21.0-1.el8 @AppStream qt5-qtwayland.x86_64 5.15.3-1.el8 @AppStream xorg-x11-server-Xwayland.x86_64 21.1.3-12.el8 @AppStream

I have support licensing from both Oracle and Yubikey and i've asked them for help and they both point the finger at each other so i'm stuck with this; any help would be appreciated!

#!/bin/bash

# Verzeichnis erstellen
mkdir FoxyAddOnFirewall
cd FoxyAddOnFirewall || exit

# package.json erstellen
cat <<EOF > package.json
{
  "title": "Foxy AddOn Firewall",
  "name": "foxy-addon-firewall",
  "description": "A Firefox addon to control internet access for other addons",
  "author": "Your Name",
  "version": "1.0.0",
  "license": "MIT"
}
EOF

# background.js erstellen
cat <<EOF > background.js
var permissionManager = Components.classes["@mozilla.org/permissionmanager;1"]
                        .getService(Components.interfaces.nsIPermissionManager);

// Addon-Liste abrufen
function getAllAddons() {
    var {AddonManager} = Components.utils.import("resource://gre/modules/AddonManager.jsm", {});
    return new Promise(function(resolve, reject) {
        AddonManager.getAllAddons(function(addons) {
            resolve(addons);
        });
    });
}

// GUI aktualisieren
function updateUI() {
    getAllAddons().then(function(addons) {
        var addonList = document.getElementById("addon-list");
        addonList.innerHTML = ""; // Zurücksetzen der Liste

        addons.forEach(function(addon) {
            var listItem = document.createElement("li");
            listItem.textContent = addon.name;
            
            var blockButton = document.createElement("button");
            blockButton.textContent = "Block";
            blockButton.addEventListener("click", function() {
                blockInternetAccessForAddon(addon);
            });

            listItem.appendChild(blockButton);
            addonList.appendChild(listItem);
        });
    });
}

// Internetzugriff für ein bestimmtes Addon blockieren
function blockInternetAccessForAddon(addon) {
    var host = addon.getResourceURI("").host;
    permissionManager.remove(host, "allAccess");
    console.log("Internetzugriff für " + addon.name + " wurde blockiert.");
}

document.addEventListener("DOMContentLoaded", function() {
    updateUI(); // GUI beim Laden der Seite aktualisieren
});
EOF

# index.html erstellen
cat <<EOF > index.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Foxy AddOn Firewall</title>
  <link rel="stylesheet" href="style.css">
</head>
<body>
  <h1>Foxy AddOn Firewall</h1>
  <p>Welcome to Foxy AddOn Firewall!</p>

  <h2>Installed Addons:</h2>
  <ul id="addon-list">
    <!-- Addon-Liste wird hier eingefügt -->
  </ul>

  <script src="background.js"></script>
</body>
</html>
EOF

# style.css erstellen
cat <<EOF > style.css
body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  text-align: center;
}

h1 {
  color: #007bff;
}

h2 {
  margin-top: 20px;
}

ul {
  list-style-type: none;
  padding: 0;
}

li {
  margin-bottom: 10px;
}

button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}
EOF

# manifest.json erstellen
cat <<EOF > manifest.json
{
  "manifest_version": 2,
  "name": "Foxy AddOn Firewall",
  "version": "1.0",
  "description": "A Firefox addon to control internet access for other addons",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "management"
  ],
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": "icon.png"
  }
}
EOF

# Icon herunterladen
wget -O icon.png "https://img.icons8.com/ios-filled/50/000000/firewall.png"

# Installationsanweisungen anzeigen
echo "FoxyAddOnFirewall wurde erfolgreich initialisiert!"
echo "Um das Addon in Firefox zu installieren:"
echo "1. Öffnen Sie Firefox und geben Sie 'about:debugging' in die Adressleiste ein."
echo "2. Klicken Sie auf 'Dieses Firefox installieren' unter 'Temporäre Add-ons laden'."
echo "3. Navigieren Sie zum Verzeichnis 'FoxyAddOnFirewall' und wählen Sie die 'manifest.json' Datei aus."
echo "4. Das Addon wird nun installiert und kann verwendet werden."

Hello Ladies and Gentlemen!

Please read my post completely before answering! Thank you!

I'm using

• Firefox DevEd (manually installed) as my primary driver and
• the standard Firefox (installed from the package manager) for leisure/hobby related browsing

each with its own Mozilla account and profile, on Manjaro KDE. Sadly, either Firefox sees all the profiles. They have usually different versions. If I mistakenly start one of the Foxes in the other Fox's profile, the newer version of Firefox (usually Firefox DevEd) autostarts migrating that profile. Which it renders the profile "corrupted" for its intended Firefox.

I'd like to have Firefox DevEd unable to see profiles (or anything else) intended for the standard Firefox and vice versa. Or at least unable to botch profiles. I do not want to disable migration or use no. Given that Firefox configuration location is hard-coded, I'm not having high hopes for my wish.

I'm wondering if there is a way to keep two Firefox installations completely isolated, other than running them in containers.

Thank you for your time!

When I run firefox on WSL2, buttons dont work on any pop up windows. Foe example when installing a firefox extention - it will download and pop up a small window at the top right to add the extentionto firefox. The buttons dont work. Another example is when opening up the firefox menu bar (hamburger bar) - it will pup up a small window to allow to open up settings, go to add ons, open bookmarks or history. The buttons dont work. Last example is the pop up window for this Ash your question page for firefox support - When clicking "Which topic best described your question - it will pop up a small window to select what type of question Im gonna ask. The buttons dont work.

I dont know how to fix this. I restarted, deleted my firefox profile, started of safe mode, nothing worked. How do I solve this issue?

I've disabled this for my google account. So when I search from google.com this behavior doesn't happen. But when I type anything into my address bar on Firefox to search, the first suggestions are from my search history.

I don't want to delete my search history.

I often use my search history to find specific things that I need, but didn't bookmark at the time. I need my search history to be saved. I just don't want to automatically receive suggestions based on it.

Is there any way to turn this off? Even with an extension or something?

There used to be a box to write tags as you can see here: https://support.mozilla.org/en-US/kb/categorizing-bookmarks-make-them-easy-to-find?redirectslug=Bookmark+Tags&redirectlocale=en-US

What happened to it? When it was deleted? Why? Is there a way to restore it?