Firefox 도움말 포럼

I was in the middle of asking this question when I fixed (worked around) the problem so I'm posting more as a informative post as there is a lot of old misdirection out there now.

I am(was) unable to drag any URLs from the URI drop down field in the main interface to my bookmarks toolbar. Nor was any drag and drop functionality working in the "Customise Firefox" screen (right click space on url bar -> Customise Toolbar).

I have now found that resetting my zoom setting in preferences to 100% restores this functionality. The problem arose when I was using 120% zoom, NOT text only.

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Hello,

I'm developing a web application. Yesterday I could access it with http://localhost:8000, then, I implemented https and it worked too. Today I needed to use http again for my tests, but everytime I type http://localhost:8000, Firefox changes it to https://localhost:8000.

I already tried to clear everything in the history, even the cookies, but it didn't work.

What should I do?

Also, could you fix this bug? I've found articles from 5 years ago reporting this issue, but the bug hasn't been fixed yet

Hello, I have a problem: After an automatic update of the language packs, parts of the Firefox menu (version 126.0) are displayed in EN. Parts in DE. Seems to be related to the update... how can I change this again? I have already changed the language settings. Didn't help...it appeared after an automatic update on May 28. Thanks for an idea :)

Hello, maybe someone else seen the same issue. When trying to establish a webrtc connection with the Firefox browser, my server sends a following message (video H264): ``` 0:00:01.701967159 90 0x7fc2a0002030 LOG webrtcsrc-signaller net/webrtc/src/signaller/imp.rs:172:gstrswebrtc::signaller::imp::Signaller::connect::{{closure}}::{{closure}}: Sending websocket message Peer(PeerMessage { session_id: "56a17f8d-2585-4d4b-9f2e-3009450a19e9", peer_message: Sdp(Offer { sdp: "v=0\r\no=- 9144757257615355393 0 IN IP4 0.0.0.0\r\ns=-\r\nt=0 0\r\na=ice-options:trickle\r\na=group:BUNDLE video0 audio1 application2\r\nm=video 9 UDP/TLS/RTP/SAVPF 96 98 99 100 101\r\nc=IN IP4 0.0.0.0\r\na=setup:actpass\r\na=ice-ufrag:uOJFtPAyRCKX4NDQcU3VExzLsFcfCWYc\r\na=ice-pwd:jRots1p0FnmxmwLoVqAq7lK84rAwBk/4\r\na=rtcp-mux\r\na=rtcp-rsize\r\na=sendonly\r\na=rtpmap:96 H264/90000\r\na=rtcp-fb:96 nack\r\na=rtcp-fb:96 nack pli\r\na=rtcp-fb:96 ccm fir\r\na=rtcp-fb:96 transport-cc\r\na=fmtp:96 packetization-mode=1;profile-level-id=42001f;level-asymmetry-allowed=1\r\na=rtpmap:98 red/90000\r\na=rtpmap:99 ulpfec/90000\r\na=rtpmap:100 rtx/90000\r\na=fmtp:100 apt=96\r\na=rtpmap:101 rtx/90000\r\na=fmtp:101 apt=98\r\na=ssrc-group:FID 2834502081 1415006916\r\na=ssrc:2834502081 msid:user1488703113@host-437c139 webrtctransceiver0\r\na=ssrc:2834502081 cname:user1488703113@host-437c139\r\na=ssrc:1415006916 msid:user1488703113@host-437c139 webrtctransceiver0\r\na=ssrc:1415006916 cname:user1488703113@host-437c139\r\na=mid:video0\r\na=fingerprint:sha-256 9E:33:DF:EB:63:72:42:77:49:8D:0C:0E:FC:61:51:C1:56:53:AF:05:D9:F7:61:8F:95:DD:7D:FF:99:1A:64:E8\r\na=rtcp-mux-only\r\nm=audio 0 UDP/TLS/RTP/SAVPF 97\r\nc=IN IP4 0.0.0.0\r\na=setup:actpass\r\na=ice-ufrag:uOJFtPAyRCKX4NDQcU3VExzLsFcfCWYc\r\na=ice-pwd:jRots1p0FnmxmwLoVqAq7lK84rAwBk/4\r\na=bundle-only\r\na=rtcp-mux\r\na=rtcp-rsize\r\na=sendonly\r\na=rtpmap:97 OPUS/48000/2\r\na=rtcp-fb:97 transport-cc\r\na=fmtp:97 sprop-stereo=1;sprop-maxcapturerate=48000\r\na=ssrc:1127273264 msid:user1488703113@host-437c139 webrtctransceiver1\r\na=ssrc:1127273264 cname:user1488703113@host-437c139\r\na=mid:audio1\r\na=fingerprint:sha-256 9E:33:DF:EB:63:72:42:77:49:8D:0C:0E:FC:61:51:C1:56:53:AF:05:D9:F7:61:8F:95:DD:7D:FF:99:1A:64:E8\r\na=rtcp-mux-only\r\nm=application 0 UDP/DTLS/SCTP webrtc-datachannel\r\nc=IN IP4 0.0.0.0\r\na=setup:actpass\r\na=ice-ufrag:uOJFtPAyRCKX4NDQcU3VExzLsFcfCWYc\r\na=ice-pwd:jRots1p0FnmxmwLoVqAq7lK84rAwBk/4\r\na=bundle-only\r\na=mid:application2\r\na=sctp-port:5000\r\na=fingerprint:sha-256 9E:33:DF:EB:63:72:42:77:49:8D:0C:0E:FC:61:51:C1:56:53:AF:05:D9:F7:61:8F:95:DD:7D:FF:99:1A:64:E8\r\n" }) }) ``` and Firefox responds with VP8 inactive message: ``` 0:00:02.007638187 90 0x7fc2a0002030 TRACE webrtcsrc-signaller net/webrtc/src/signaller/imp.rs:324:gstrswebrtc::signaller::imp::Signaller::handle_message:<GstWebRTCSignaller@0x563ce91ed190> Received message {"type": "peer", "sessionId": "56a17f8d-2585-4d4b-9f2e-3009450a19e9", "sdp": {"type": "answer", "sdp": "v=0\r\no=mozilla...THIS_IS_SDPARTA-99.0 2114996636650547664 0 IN IP4 0.0.0.0\r\ns=-\r\nt=0 0\r\na=sendrecv\r\na=fingerprint:sha-256 16:EC:66:ED:36:A1:D4:E0:CB:95:24:4A:E2:40:CA:53:E5:AB:D5:FF:F5:9C:5C:81:EB:83:F8:E4:BD:89:9F:03\r\na=ice-options:trickle\r\na=msid-semantic:WMS *\r\nm=video 0 UDP/TLS/RTP/SAVPF 120\r\nc=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:video0\r\na=rtpmap:120 VP8/90000\r\nm=audio 9 UDP/TLS/RTP/SAVPF 97\r\nc=IN IP4 0.0.0.0\r\na=recvonly\r\na=fmtp:97 maxplaybackrate=48000;stereo=1;useinbandfec=1\r\na=ice-pwd:d5a493a07b92e452116a851e083e1c78\r\na=ice-ufrag:721f69a3\r\na=mid:audio1\r\na=rtcp-mux\r\na=rtpmap:97 opus/48000/2\r\na=setup:active\r\na=ssrc:3561002322 cname:{bb14ec44-0966-49c0-bccb-5e6242dd83d7}\r\nm=application 9 UDP/DTLS/SCTP webrtc-datachannel\r\nc=IN IP4 0.0.0.0\r\na=sendrecv\r\na=ice-pwd:d5a493a07b92e452116a851e083e1c78\r\na=ice-ufrag:721f69a3\r\na=mid:application2\r\na=setup:active\r\na=sctp-port:5000\r\na=max-message-size:1073741823\r\n"}} ``` which leads to: ``` 0:00:02.007849785 90 0x7fc2a0002030 WARN webrtcsink net/webrtc/src/webrtcsink/imp.rs:3238:gstrswebrtc::webrtcsink::imp::BaseWebRTCSink::handle_sdp_answer: consumer from session 56a17f8d-2585-4d4b-9f2e-3009450a19e9 refused media 0: Some("m=video 0 UDP/TLS/RTP/SAVPF 120\r\nc=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:video0\r\na=rtpmap:120 VP8/90000\r\n") ``` and a connection close.

Why Firefox could respond with VP8 to the H264 request?

Sometimes drag functionality stops working. I can't grab a tab to move it to another position or to a new window. (Holding left click on the tab and moving the cursor does nothing). Also, re-merging the tab with another firefox window stops working. (Dragging a tab to a firefox window from another firefox window doesn't merge them. It does nothing) I can right click on the tab and select Move to move it to a new window but dragging stops working. I have to close Firefox and start it again (sometimes twice), then dragging starts working again. This happens multiple times a day. I am on Linux Mint and the version is 126.0 (64-bit). This problematic behavior has only recently began.

Here is my crash report. https://crash-stats.mozilla.org/report/index/ac6dbca9-a495-4b78-a72f-8102b0240528#tab-details

Based on https://gitlab.gnome.org/GNOME/glib/-/issues/2833, I gather that this crash happens when you have some malformed xdg-mime data. I'm trying to figure out what data that is and where it's stored so I can fix it.

The crash report doesn't show me the arguments, so I can't tell what mime type it's trying to load. Maybe it's not available due to the way the library is built, or maybe it's not available due to the crash report hiding potentially private data. Or both. Can anyone tell me how to see what mime type it's looking up? Or do you know what mime type it would be looking up when saving a PDF? `xdg-mime query default application/pdf` works fine so it's not just looking for a handler, there must be some sort of weird "MIME type" for "file browser" that it's trying to use.

I often run into issues with PDFs in Firefox Linux. They either appear totally blank (typically after suspend/restore), or they appear with the desktop background showing through (as in the attached screenshot).

Hard refreshing the page doesn't change anything, opening a new tab and opening the PDF again doesn't change anything, opening a new window and loading the PDF doesn't change anything.

The screenshot is with this PDF: https://www.sgsw.ch/home/strom/_jcr_content/Par/sgsw_accordion_list_1838160259/AccordionListPar/sgsw_accordion_12353/AccordionPar/sgsw_downloadlist/DownloadListPar/sgsw_download_1049323524.ocFile/2023-08-31%20Mitteilung%20Elcom%20Erh%C3%B6hung%20Elektrizit%C3%A4tspreise%20f%C3%BCr%20das%20Jahr%202024.pdf

It renders correctly in Chromium.

Firefox 126.0 using the recommended performance settings on Mint 21.3, nvidia quadro p620 using the official nvidia drivers v535.171.04-0ubuntu0.22.04.1

Hi all!

A while back I downgraded my Firefox version to some old version to be able to access a FortiGate 310B. However when I upgraded back and started using the latest version my search completion stopped working, but my search completion is turned on. It shows things I've already searched for, but it's not fetching new completions. I lived with this for a while since I couldn't be bothered to fix it, but I recently moved to linux, and copied all my data, I did this by just copying the profile folder and moved into into a new profile I created on linux. It worked, my bookmark, history, passwords etc are saved, but still no completion. I tried creating a new profile and the search completion worked perfectly fine. Do you guys have any tips or things I could try? Or do I just give up and move to a new profile, since this one is presumably corrupt?

Any help is appreciated, cheers :)

After the last upgrade Firefox has a strange ~6 pixel wide dark border. How can I eliminate that border?

Thanks. :-)

Firefox: 115.11.0esr OS: openSUSE Leap 15.5 KDE-Plasma-Version: 5.27.9 KDE-Frameworks-Version: 5.103.0 Qt-Version: 5.15.8

So I have an issue where I am unable to reorder or detach tabs after having detached one tab. When I start Firefox I am able to reorder my tabs as much as I want, but once I detach one tab both functionalities do not work anymore.

- Firefox version 126.0 on Kubuntu 24.04 - After restarting Firefox I am able to do it again once - After rebooting I am also able to do it again once - The same issue in private window - I have refreshed Firefox through Help -> More troubleshooting information - Disabled all my add-ons - Tried it in Troubleshoot mode

I cannot seem to find a real answer online. Does somebody here have a solution for me :-)?

Firefox uses about half a gig on my disk, that's: '~/.mozilla' and '~/.cache/mozilla' can that be reduced? Either some setting that limits disk use or even a manual deletion of ancient stuff?

Tell me why google says this:

Unable to connect

An error occurred during a connection to www.googleadservices.com.

   The site could be temporarily unavailable or too busy. Try again in a few moments.
   If you are unable to load any pages, check your computer’s network connection.
   If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the web.

when I click on an advert for a product provided (I assume) by google at the top of search results. I have cleared the cache and cookies. Latest firefox on ubuntu 22.

Firefox spawn too many child processess, with cause the browser to freeze.

Proposed solution:

Reduce to absolute minimum the spawn child processess. The value should be set according to the device performance and additionally show allow the user to set manually the limits.

Example: 1 (maximal 3) child process per tab/window

After updating to the current version of my OS(listed below) I can no longer drag a tab to detach it from the firefox window. Doing so drags a preview of the tab, but it is never separated from the current window. I can drag it to an already existing window to move tabs from one window to another, but not to create a new window from a single tab.

OS: Manjaro Linux 24.0.0 Wynsdey Linux kernel version: 6.6.30-2-MANJARO (64-bit) Desktop Environment: KDE Plasma 6.0.4 KDE Framework version: 6.1.0 QT Version: 6.7.0 Display Server: Wayland Firefox version: 125.0.3 (64-bit)

Looking for a fix on a right-click issue that I keep having...

When using Linux Mint (Cinnamon), the right-click context menu occasionally becomes misaligned with the cursor position. Attached image shows a right click on the text box in the right browser window triggering a popup in the left browser window.

This most frequently happens when:

• Multiple windows are open AND
• The window being right-clicked on is "snapped" into place (by dragging to the side of the screen)

Error seems to occur most frequently on windows snapped to the right-hand-side of the screen.

Context menu placement is offset by an arbitrary amount determined at time of window-snapping. E.g., moving the cursor down 1 inch in the example image below will move the menu down 1 inch as well. Un-snapping the window, and re-snapping can adjust menu-cursor-offset distance.