• November 9, 2022

The Proxy Moz Proxy Is Requesting A Username

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moz-proxy is requesting username and password. The site says

Does it occur even before Firefox starts? That would be hard to explain.
I suggest canceling those until we figure out the source.
Do you use the Firefox Private Network extension in Firefox? Or a proxy add-on like Windscribe or another one? You can view, disable, and often remove unwanted or unknown extensions on the Add-ons page. Either:
Ctrl+Shift+a (Mac: Command+Shift+a)
“3-bar” menu button (or Tools menu) > Add-ons
type or paste about:addons in the address bar and press Enter/Return
In the left column of the Add-ons page, click Extensions. On the right side, find the “Manage Your Extensions” heading.
If there is at least one extension before the next heading — “Recommended Extensions” — please continue:
Then cast a critical eye over the list below that heading. Any extensions Firefox installs for built-in features are hidden from this page, so everything listed here is your choice (and your responsibility) to manage. Anything proxy or connection related? Anything suspicious or that you just do not remember installing or why? If in doubt, disable (or remove). For your privacy and security, don’t let mystery programs linger here.
You also can check Firefox’s connection settings here:
Windows: “3-bar” menu button (or Tools menu) > Options
Mac: “3-bar” menu button (or Firefox menu) > Preferences
Linux: “3-bar” menu button (or Edit menu) > Preferences
Any system: type or paste about:preferences into the address bar and press Enter/Return to load it
In the search box at the top of the page, type proxy and Firefox should filter to the “Settings” button, which you can click.
The default of “Use system proxy settings” piggybacks on your Windows/IE “LAN” setting. “Auto-detect” can lead to a flaky connection. You may want to try “No proxy”.
Any difference?
Open - GitHub

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I think this issue needs to be considered as two independent enhancements but I won’t split them to different issues until some further progress has been made.
There are many technical challenges with this issue but possibly the biggest is not really technical:
How long does the user want to wait at startup for credentials to be made available from the password manager?
The best I can come up with is: until the user clicks a button to say “Stop waiting”.
We could show a window with messaging and a button a bit like this:
Kee is waiting for you to open your password database.
Your browser will not work correctly until you do this or click the button below.
[Stop Waiting]
Assuming we go for that answer or find a better one some day, the technical challenges can then begin.
There is no documentation about how to actually implement this technically but after a few hours searching I’ve dug out one clue from last year:. I have no idea if that will work the same in other browsers.
Rough notes on what would be required to implement this follow:
A new onAuthRequired listener at top level in, added before the current first-step for loading the extension (async load of our config)
Create a promise that gets resolved when artListening() has been run.
Resolve the promise with the function that currently gets invoked by existing event handlers (possibly need 2 different versions of all this code to handle Chrome and Firefox differences)
Assign the resolved function to a local var so that all pending network auth requests can be handled and all future auth requests can flow straight through to execute that function without the need for the promise
Create a separate promise that gets resolved by the user action of clicking on the “stop waiting” button
Create a new dialog window (store some sort of global reference so we only create one even if there are multiple auth requests at startup)
Launch that dialog window the first time the onAuthRequired listener is invoked (unless artListening() has already run – need to be able to track that somehow)
All above must be implemented in a way that easily allows a config setting to influence the waiting period – either by disabling the feature (no waiting), waiting indefinitely (per the plan above) or waiting for up to a certain number of seconds. It’s not necessary to actually implement those config options though – it can be slotted in retrospectively if we find a real-world benefit from them.
Regrettably I’m leaning towards saying that this enhancement is too high cost and risk for me to attempt in the foreseeable future but if someone manages to find the considerable amount time required to implement and test all of the above on multiple browsers I’m happy to accept a pull request.
I’ve updated the old pull request so if you download and build that version of Kee I think this might work.
I still can’t find any practical way to test this myself so as before, I need people who are actually using a proxy to build and test this custom version of Kee before I can take this issue any further.
Please let me know how you get on with this test version.
Firefox asks for proxy details, but only when accessing facebook

Firefox asks for proxy details, but only when accessing facebook

At work, all requests are forwarded to a central load-balancing, caching Squid proxy server. If I try to access Facebook from within Firefox, I get the standard proxy authentication dialog:
The proxy moz-proxy is requesting a username and password.
The site says: “moz-proxy
However, this dialog comes only for facebook & only when accessed from Firefox – any clues as to why this happens? Accessing from Internet Explorer or Chrome works fine, and yes Facebook is not blocked.
Just Firefox gives this problem. I have installed NTLM Auth for Firefox addon, but it hasn’t helped.
The proxy settings are set to auto detect, same as in Internet Explorer & Chrome.
I’m using the current stable version of Firefox, 10. 0. 2 on Windows XP SP3
asked Mar 9 ’12 at 6:02
Sathyajith Bhat♦Sathyajith Bhat60. 4k36 gold badges176 silver badges263 bronze badges
Most probably, your proxy is blocking the WebSocket protocol. Chrome before version 14 and IE don’t support it, so they are not affected.
Go to the URL about:config, search for the key network. websocket. enabled and switch it to false.
HackToHell6, 2723 gold badges36 silver badges62 bronze badges
answered Jun 12 ’12 at 17:04
mcortesemcortese1661 silver badge2 bronze badges
I Just tried the suggestion in the accepted answer and I’m afraid it didn’t fix my problem, as well as these other suggestion which also didn’t work: (These solutions may be currently outdated)
However, while browsing the aboug:config page I found this entry:
If this is set to TRUE the prompt does not appear anymore.
BTW: It does only work if you log in at least once. If you cancel it, it keeps appearing.
And, as a consequence, if you use the private browsing feature (I use it at work, for personal stuff: e-mail, etc. ), every time you start a new private session you have to accept the login prompt. Not a big problem though…
answered Jul 30 ’13 at 11:27
I’ve been having the same issue for a while now. It’s a bug specific to Firefox, and only when accessing Facebook addresses through a proxy. This page itself, for instance, brings up the dialog a total of 10 times, taking 10 clicks before I can dismiss it and go about my business.
I have since downgraded to Firefox 4. 1, which fixed the issue. It’s not a great workaround, but it’s there.
EDIT: It turns out that last bit was premature – I’ve now started experiencing the same problem on 4. 1.
answered Apr 5 ’12 at 6:08
Firefox 8 added Origin tag for images, which has caused some specific proxy issues. If Facebook works for you with Firefox 7, I would say it’s a bug in Firefox.
answered Mar 9 ’12 at 10:04
eiseis1, 9691 gold badge23 silver badges37 bronze badges
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