Questions tagged [authentication]
For questions about how authentication within the Stack Exchange network works. General questions about authentication are off-topic, but depending on the specific question may find a home at e.g. Stack Overflow or Security Stack Exchange.
98
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47
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Log in using MFA? [duplicate]
Is there a way to add 2FA or MFA to my existing Stack Exchange login, or I do have to add a GitHub, Google, etc. login?
I tried searching the help and looking around the settings, but I couldn't see ...
- 181
13
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350
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I keep getting logged out of Stack Overflow
This has been reported quite a few times over the years, both with Chrome and Firefox (and maybe others, I did not read all the comments).
Since it is driving me crazy (but it's not like there is an ...
- 239
-6
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1
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98
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Question based on Authentication
I am creating a connector which will integrate with the Stack Overflow API. I need to generate an access token of Stack Overflow account so that I can fetch its API. But when I am generating an access ...
- 13
23
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1
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356
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OpenID endpoints and URL will be removed on November 1, 2022
Back in 2018, we announced the end of support for OpenID at Stack. Although we've deprecated support for OpenID logins and endpoints, the openid.stackexchange.com URL has remained online. Starting in ...
- 901
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80
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Why am I occasionally logged in to different domains, or am I?
When I log out, I usually get a message saying I will be logged out of these seven domains:
Notwithstanding the fact I don't know what most of these are, nor consciously visit any of them apart from ...
- 2,140
5
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0
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94
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Top navbar not updated when login session is invalidated
tl;dr When editing existing post after your session has been invalidated in the background, editor itself reflects the fact that user has been logged-off, but top navbar remains unchanged and still ...
- 4,011
10
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1
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126
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What scope to supply to get a refresh token from Stack Exchange?
In the process of implementing a OAuth app for Stack Exchange, I noticed that none of the approaches that conventionally work - supplying a offline_access scope, for example - result in the OAuth ...
- 103
23
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2
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637
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Did something change with Stack Exchange's cross-domain login process? (no longer working)
I have my web browser set to block all third-party cookies. The only place where this is an issue is on Stack Exchange sites, where it prevents a log in action on one site from successfully logging ...
-10
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1
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192
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Support logging in with Apple
Title explains all.
SE currently supports logging in with GitHub, Google and Facebook.
In terms of tracking user behavior, Apple seems to be a better login option to me than Google and Facebook.
...
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1
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1
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58
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Cannot login using Google authentication [closed]
For some reason, I'm not able to login to an of the SE sites using Google authentication today. Did something change?
PS. I had to create a direct login on SE using my other e-mail id to report this ...
- 49
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38
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Redirect to the original page after authorization on SEDE [duplicate]
After authorization, https://data.stackexchange.com redirects to the main page.
Could you redirect to the original page (from which I've tried to log in)?
11
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150
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Google auth seems broken
I can't seem to login using my Google account. Luckily I still have an active session on the main things I care about but when I log into anything with my Google auth, I get:
There was an error ...
- 3,334
3
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1
answer
47
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SEDE login authentication
I have the impression that SE's login is universal. Once logged into any one of the sites on the SE network, one can enter other sites without further login. For example, I'm logged into Math.SE, so ...
16
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1
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159
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Will Google+ APIs shutting down affect signing in into Stack Exchange sites?
According to this article, Google+ APIs will shut down on March 7, 2019. Since I am using Google to provide authentication for several web sites (SE sites included), I am wondering if SE network will ...
- 1,469
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104
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Got invalid certificate error trying to log in [closed]
I got an invalid certificate error for stackauth.com a few minutes ago when trying to log in to SuperUser via Google. I tried again (after taking a screenshot and blacking out the potentially ...
- 31k
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80
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Network Login Troubleshooting fails on Messaging whereas Caniuse.com tests positive
A couple of months ago, I was forced to switch to the Vivaldi browser which I do happen to like a lot.
The Vivaldi browser might be considered the spiritual successor to the Opera browser, sharing ...
- 696
15
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192
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Stack Exchange & Area 51 sign up/ log in update
As of today, Stack Exchange and Area 51 no longer have separate login and signup pages. When you log in or sign up on either site you will be sent through meta.stackexchange.com flow. Currently, ...
- 16.5k
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114
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Logging in to the Area 51 Discussion Zone will successfully log you into the main Area 51 site, but not the Discussion Zone itself
In the Area 51 Discussion Zone (DZ), the log in link is for area51.stackexchange.com, not area51.meta.stackexchange.com.
Because of domain restrictions, etc., after successfully logging in you get ...
- 18.2k
4
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0
answers
44
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Port not included in client-side OAuth flow
I was recently making an app using the SE API's client-side auth flow. What I noticed is that there was this
Unable to post message to http://localhost. Recipient has origin http://localhost:5000.
...
- 856
35
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1
answer
1k
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How does one Stack Exchange site know that I'm logged in to the other?
Here's what I did:
Completely cleared my browser of all cookies
Opened a new browser window in Incognito mode
Navigated to askubuntu.com and log in
Opened a new tab and navigate to stackoverflow.com
...
- 517
2
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0
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193
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Is it still possible to log into Stack Exchange using an AOL OpenID?
I am posting from a new account I have created, as I have been unable to access my Stack Exchange account for several days.
My account is tied to my AOL OpenID exclusively. For quite some time, ...
user388073
2
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0
answers
75
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Redirect parameter `state` is missing in case of error
Testing OAuth authorization in my app I noticed a case when state parameter is not passed to redirect uri. I use state to track auth process at server side.
If user doesn't authorize application, he ...
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6
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1
answer
2k
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Authentication API - port number in redirect_uri is ignored
We're using the API explicit flow for identity brokering in our Keycloak SSO server to provide users with the option for logging in using their Stack Overflow account.
Recently, we've noticed that ...
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11
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170
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Can't remove applications
A couple days ago I added a application from StackApps, now for some reason I can't remove it.
Steps to reproduce:
Have an application on your account
Go to your profile (Edit Profile & ...
- 305
5
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159
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Using oAuth in API throwing internal server error
My application has 26 users, but yesterday several (prospective) users started receiving an error page (/error?aspxerror=/oauth) saying that it is all [stack exchange's] fault and that the data is ...
- 51
10
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733
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Is stackauth.com still in use?
Once upon a time, stackauth.com was used for global authentication, for the API, etc.
And the StackAuth home page still states:
This is a domain for centralized services across the entire Stack ...
- 20.6k
4
votes
1
answer
532
views
API authentication channelUrl from a userscript?
The Stack Exchange API has this Javascript library for authentication.
What do I pass as channelUrl for a user script running on SE sites?
The docs said it needed to be "a blank page on the same ...
- 25.9k
18
votes
1
answer
190
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Don't tell me which of my credentials is wrong
If I mistype my username or password when logging in to Stack Exchange, the red dialogue box tells me which was incorrect.
If an attacker correctly guesses an email address present in the database ...
- 969
6
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1
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392
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Enable two-step verification for all Stack Exchange sites [duplicate]
I have two-step verification (via Google Authenticator) enabled for almost all of my accounts on the Internet. I somehow feel safe with that.
I have enabled two-step verification for almost all my ...
- 233
4
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1
answer
57
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Join this Community bug on Area51
When I clicked on the "Join This Community" banner on an area 51 question, I was redirected to the following page:
https://area51.stackexchange.com/users/join?ssrc=head&returnurl=http%3a%2f%...
- 6,048
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1
answer
2k
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Where and how is the authentication cookie stored with the new authentication system?
My browser is configured with several cookie restrictions (clear cookies on exit, no third party cookies, and privacy badger on top of that). I found that after SE recently switched to a new ...
- 3,865
1
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1
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749
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How is user information stored in ElasticSearch database of Stack Exchange network?
How is user information stored in the ElasticSearch database of the StackExchange network?
I know that SO and the other websites of the same family use ElasticSearch database to store the data, but ...
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0
answers
41
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Use the login on StackExchange.com in other SE sites [duplicate]
I am logged in on StackExchange.com, I want to login on another SE site without entering a password. Why do I have to choose a third party provider?
Isn't using cookies possible for subdomains? I see ...
- 4,122
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97
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Authentication with google as well as direct login
I have my stackexchange account with google authentication. But in some net work gmail is blocked. So is there any way to maintain the same account with dual authentication.Like google login as well ...
- 111
7
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1
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68
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Links between my SE accounts should bypass login
When I get a notification in my inbox in the upper left corner about an event on one of the SE sites other than the one I am logged into, frequently I have to login again. This is mildly annoying, ...
- 13.3k
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53
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Messaging failed - doesn't give more info. as to what to do about it [duplicate]
I am opening this so that if I run into the same situation would perhaps know what to do as well as others.
I am trying to login to sites and most sites work except for some meta sites. For this I ...
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26
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answers
875
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Why do I keep getting logged out of Stack Overflow?
I keep on getting logged out of Stack Overflow on my personal computer. This can happen even when I've been logged in earlier in the same day. It used to be that I'd never get logged out of SO (which ...
- 311
4
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0
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670
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StackExchange Single Sign on
What is the technique or procedure used in implementing Single Sign On in StackExchange websites?
Whether it is possible to implement custom authentication providers so that the site credentials can ...
- 141
85
votes
1
answer
7k
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"OpenID 2.0 for Google Accounts is going away"; will this affect Stack Exchange? [closed]
Apparently, for some reason, Google is retiring its OpenID 2.0 platform. I got this notice while logging in with Disqus, but not with Stack Exchange.
So... is Stack Exchange going to be affected by ...
- 33.5k
5
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1
answer
252
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How can I "authenticate" my Stack Exchange API app without OAuth authenticating it?
I am the creator of StackStalker, a Chrome extension created to simply monitor questions a user chooses and be notified when they've been updated. I've been working on updating it to use the new API 2....
- 433
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1
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209
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Unable to login to iOS beta using Facebook
When trying to login to the iOS beta app (1.0.1.80) I get the following error message:
This happens before being offered the opportunity to enter my Facebook credentials (although I'm logged into ...
- 16k
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1
answer
80
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SE Authentication server is down
It seems the SE Authentication server is down when visiting
http://stackauth.com/1.0/users/123456/associated
user228266
3
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1
answer
283
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How does StackExchange chain its subdomains?
I'd like to know how StackExchange works? Is it just one installation which is divided to different parts or they use a separated installation for each subject?
Askubuntu.com, tex.stackexchange.com, ...
- 169
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170
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Unable to login with my personal OpenID server ("Message signature was incorrect.")
I realise this could be seen as a duplicate but I've skimmd through the top dozen results and can't find anything comparable.
I've run my own (very simple) OpenID server at christopher.woods.name for ...
- 275
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1
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225
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Primary email on Google changed, now I can't log into Stack Overflow
I used to have a Google login, [email protected], which I used to log into Stack Overflow with.
Recently, I bought a tablet and had to create a Gmail account. This then replaced my primary email for ...
user247545
0
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0
answers
28
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Authentication with openid.stackexchange.com fails with firefox [duplicate]
Since todays morning, I got an exception, if I like to login to any stackexchange site using openid.stackexchange.com with Firefox. (It works with Chrome ...)
I can login to openid.stackexchange.com:
...
- 121
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1
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174
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Cannot login to some sites due to auto-login failing
Autologin prevents me from logging into some SE sites.
Here is what is happening:
visit https://superuser.com/; the top line says Stack Exchange ... sign up ... log in (i.e., I am not logged in ...
- 1,048
-1
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1
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116
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Steps (with screen shots) to merge MyOpenID account into social network accounts/email providers accounts [duplicate]
If you have taken the time to merge your MyOpenID StackOverflow (and StackExchange) account into a social network account such as Google or Facebook, can you describe the workflow (maybe with screen ...
- 331
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89
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Why do Meta and Stack Overflow requires separate authentication
Why do Meta and Stack Overflow require separate authentication? Why auth details are not shared between all the Stack Exchange sites?
- 155
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344
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How do you log in from work using your personal account while you are already logged into Google?
I have a personal Stackoverflow account with points and stuff. I want to log in with that. I normally authenticate with Google.
My work uses Google apps and I have a Google work address.
How do I ...
- 781