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Firefox fails to resolve local/VPN DNS

I am using Firefox on Linux (Ubuntu 20.10) to work from home over OpenVPN. Recently the VPN configuration was changed to use split tunneling to improve our internet conne… (閱讀更多)

I am using Firefox on Linux (Ubuntu 20.10) to work from home over OpenVPN. Recently the VPN configuration was changed to use split tunneling to improve our internet connection. Since then I have had several DNS resolving issues in Firefox.

We use an on premise DNS server as an alternative to `localhost` domain names so we can access other developers' environments and so a few services can do the same. Our URL structure is like projectname.[optional personal identifier.]localhost.[type].nl. Without the [optional personal identifier], or when nothing is configured for it, the ip address is 127.0.0.1.

In Linux' OpenVPN configuration I have "Use this connection only for resource on its network" enabled for IPv4 and IPv6 is disabled (to benefit from split tunneling). With that enabled Firefox usually fails to resolve such development hostnames.

- As far as I know I do not have DoH enabled (and the about:networking log further down tells so too). - I do have `dnsmasq` enabled (with configuration for the above domain formats to route to 127.0.0.1 also) in an attempt to fix some issues before the split tunneling was configured correctly. And in an attempt to try and get Firefox to handle these DNS resolving issues. - `dig` on the command line for the same domain works just fine. - Adding hostnames to /etc/hosts works. But that's becoming a chore, working on dozens of projects over months.

Why is Firefox failing to resolve such domain names? Should I just create a Bugzilla issue?

I created a log with about:networking set to `timestamp,nsHostResolver:5`:

[Parent 5337: Main Thread]: I/Logger Flushing old log files 2021-06-09 07:42:58.009170 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver Resolving host [somedomain.localhost.type.nl]<^partitionKey=%28http%2Ctype.nl%29> - bypassing cache type 0. [this=7f4d8a1732e0] 2021-06-09 07:42:58.009195 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver No usable record in cache for host [somedomain.localhost.type.nl] type 0. 2021-06-09 07:42:58.009200 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver NameLookup host:somedomain.localhost.type.nl af:0 2021-06-09 07:42:58.009206 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver NameLookup: somedomain.localhost.type.nl effectiveTRRmode: 1 flags: 2001 2021-06-09 07:42:58.009210 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver TRR service not enabled - off or disabled 2021-06-09 07:42:58.009215 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver NativeLookup host:somedomain.localhost.type.nl af:0 2021-06-09 07:42:58.009229 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver DNS thread counters: total=1 any-live=0 idle=1 pending=1 2021-06-09 07:42:58.009236 UTC - [Parent 5337: Socket Thread]: D/nsHostResolver DNS lookup for host [somedomain.localhost.type.nl] blocking pending 'getaddrinfo' or trr query: callback [7f4d386f5e80] 2021-06-09 07:42:58.009250 UTC - [Parent 5337: DNS Resolver #22]: E/nsHostResolver DNS lookup thread - Calling getaddrinfo for host [somedomain.localhost.type.nl]. 2021-06-09 07:42:58.076889 UTC - [Parent 5337: DNS Resolver #22]: D/nsHostResolver Calling 'res_ninit'. 2021-06-09 07:42:58.137055 UTC - [Parent 5337: DNS Resolver #22]: E/nsHostResolver DNS lookup thread - lookup completed for host [somedomain.localhost.type.nl]: failure: unknown host. 2021-06-09 07:42:58.137146 UTC - [Parent 5337: DNS Resolver #22]: D/nsHostResolver nsHostResolver::CompleteLookup somedomain.localhost.type.nl 0 804B001E resolver=0 stillResolving=0 2021-06-09 07:42:58.137152 UTC - [Parent 5337: DNS Resolver #22]: D/nsHostResolver nsHostResolver record 7f4d63a0a7c0 new gencnt 2021-06-09 07:42:58.137162 UTC - [Parent 5337: DNS Resolver #22]: D/nsHostResolver Caching host [somedomain.localhost.type.nl] negative record for 60 seconds. 2021-06-09 07:42:58.137166 UTC - [Parent 5337: DNS Resolver #22]: D/nsHostResolver CompleteLookup: somedomain.localhost.type.nl has NO address 2021-06-09 07:42:58.137172 UTC - [Parent 5337: DNS Resolver #22]: D/nsHostResolver nsHostResolver record 7f4d63a0a7c0 calling back dns users status:804B001E

Alex 於 1 個月前 詢問

Alex 最近回覆 於 6 天前

Toolbar folders -> drop down orientation problem -> screen limit not recognised

Hello: Quite a few iterations of Firefox ago (cannot recall which), the orientation of the drop down menu listing the bookmarks inside any folder in the toolbar was eithe… (閱讀更多)

Hello:

Quite a few iterations of Firefox ago (cannot recall which), the orientation of the drop down menu listing the bookmarks inside any folder in the toolbar was either towards the 'left' or towards the 'right', depending of the amount of screen real estate available to the right side of the screen where it was opened.

If the listing could not be properly seen by opening the drop down menu towards the 'right', it would be opened towards the 'left'.

This worked perfectly well with my three screen setup, with Firefox in a window in the centre screen. ie: Firefox knew it was inside a three screen wide setup and in the centre screen, so it also "knew" that the right edge of the centre screen was the limit for available screen real estate.

At some time this stopped working in the described manner.

It seems that Firefox now ignores the right edge of the centre screen and as a result the drop down menu for any folder in the toolbar opens to the 'right' and invades the right screen. (see attached screen capture)

If Firefox is opened in a window inside the right screen, it proeprly recognises the right edge of the screen as the limit and acts accordingly.

This is quite a problem for me: I make intensive use of the toolbar with bookmarks inside folders and subfolders and this heavily affects my everyday work.

Is there a way to get back to how it used to be? ie: Firefox using the right edge of the screen it is opened in as the limit to open a drop down menu.

Thanks in advance,

S.

sawbona1 於 1 週前 詢問

sawbona1 最近回覆 於 15 小時前

Search bar doesn't work after sync

1. Search bar doesn't work for search. If i type anything, i.e. "firefox", it opens firefox.com 2. Settings > Search reveals that I have no search engines, and nothing… (閱讀更多)

1. Search bar doesn't work for search. If i type anything, i.e. "firefox", it opens firefox.com 2. Settings > Search reveals that I have no search engines, and nothing is selected as a default search engine. 3. "Restore default search engines" does nothing 4. Removing all files related to word "search" in root directory does nothing, still has no search engines after restart. 5. Switching to new profile does work, default search engines appear and search bar is working fine. 6. As soon as I sign in my account and sync starts, profile loses all search engines and search bar stops working.

I believe my firefox sync account is syncing 0 search engines to my browser, and I can't add new search engines. I have Manjaro Linux and a Windows machine, both with firefox but using different versions. Both browsers lost all search engines after sync.

vlandemart 於 4 天前 詢問

vlandemart 最近回覆 於 4 天前

F1 tilda console shortcut stop working

Hello guys, I use tilda console and firefox for many years but now with the keydown/keypress changes in firefox 65 i can't open anymore the dropdown tilda consle with F1 … (閱讀更多)

Hello guys, I use tilda console and firefox for many years but now with the keydown/keypress changes in firefox 65 i can't open anymore the dropdown tilda consle with F1 or other shortcut. Is there anything i can customize in firefox to get back this behaviour? I really need my tilda console opening/closing when i am using browser, and i don't want to use other browser ... unless there's no solution for this. Thanks, Noel

noeljmf 於 5 天前 詢問

noeljmf 最近回覆 於 4 天前

Ubuntu Touch

Hi, Does someone know how to install Firefox on Ubuntu Touch ? I did install "Ubuntu touch" on my smartphone few weeks ago. But without my favorite Firefox Navigator, thi… (閱讀更多)

Hi, Does someone know how to install Firefox on Ubuntu Touch ?

I did install "Ubuntu touch" on my smartphone few weeks ago.

But without my favorite Firefox Navigator, this is useless for me !

Even a older version of Firefox will be fine. All i need for now, is a Sync of my configuration (bookmarks and Passwords Manager).

Regards

SkaRaBee 於 1 天前 詢問

Can't make new bookmark database in Linux

My OS got updated to Gnome 40.3 after that the configuration got mess up, when checking the about:support page the page was blank so I refreshed Firefox. After that the p… (閱讀更多)

My OS got updated to Gnome 40.3 after that the configuration got mess up, when checking the about:support page the page was blank so I refreshed Firefox. After that the problem persist so I erased the "places.sqlite" and "favicons.sqlite" as instructed in the troubleshoot page but then I got the following problem and uninstalling, erasing the program files and reinstalling Firefox in the OS didn't solve it


Task: checkIntegrity - Unable to check favicons.sqlite integrity: [Exception... "Could not open connection to /home/IndianaRoy/.mozilla/firefox/x23t4bki.default-release/favicons.sqlite: 2153971714" nsresult: "0x80630002 (NS_ERROR_STORAGE_IOERR)" location: "JS frame :: resource://gre/modules/Sqlite.jsm :: openConnection/</<&nbsp;:: line 1110" data: no] > Task: invalidateCaches - The task queue was cleared by an error in another task. > Task: checkCoherence - The task queue was cleared by an error in another task. > Task: expire - The task queue was cleared by an error in another task. > Task: originFrecencyStats - The task queue was cleared by an error in another task. > Task: vacuum - The task queue was cleared by an error in another task. > Task: stats - The task queue was cleared by an error in another task. > Task: _refreshUI - The task queue was cleared by an error in another task.

IndianaRoy 於 4 天前 詢問

IndianaRoy 最近回覆 於 1 天前