# \#log-in **URL:** https://community.auth0.com/tag/log-in/813.md [Latest](https://community.auth0.com/latest.md) · [Categories](https://community.auth0.com/categories.md) · [Tags](https://community.auth0.com/tags.md) --- ## [Can you give a sample log in program using JWT?](https://community.auth0.com/t/can-you-give-a-sample-log-in-program-using-jwt/9543)
**Author:** [@pilipinass123](https://community.auth0.com/u/pilipinass123)\ **Replies:** 2\ **Last updated:** [February 21, 2018, 12:35am UTC](https://community.auth0.com/t/can-you-give-a-sample-log-in-program-using-jwt/9543 "2018-02-21T00:35:29Z")
i’m having a trouble understanding JWT. can you help me? --- ## [Block users that log in behind a proxy](https://community.auth0.com/t/block-users-that-log-in-behind-a-proxy/8482)
**Author:** [@david.garcia](https://community.auth0.com/u/david.garcia)\ **Replies:** 1\ **Last updated:** [October 13, 2017, 7:13pm UTC](https://community.auth0.com/t/block-users-that-log-in-behind-a-proxy/8482 "2017-10-13T19:13:26Z")
Is there any way to block users if they try to log in from a proxy? --- ## [Users are being created in log but not showing up on user section](https://community.auth0.com/t/users-are-being-created-in-log-but-not-showing-up-on-user-section/8358)
**Author:** [@operations1](https://community.auth0.com/u/operations1)\ **Replies:** 1\ **Last updated:** [October 2, 2017, 2:41pm UTC](https://community.auth0.com/t/users-are-being-created-in-log-but-not-showing-up-on-user-section/8358 "2017-10-02T14:41:59Z")
Had this issue in another tenant that I pay for and Auth0 had to do something on their side. With this tenant I just have the free version. The user is logged as being registered but is not showing up on the user sectio… --- ## [Fail after try sign in Instagram](https://community.auth0.com/t/fail-after-try-sign-in-instagram/8236)
**Author:** [@erikauranaune](https://community.auth0.com/u/erikauranaune)\ **Replies:** 0\ **Last updated:** [September 19, 2017, 4:00am UTC](https://community.auth0.com/t/fail-after-try-sign-in-instagram/8236 "2017-09-19T04:00:48Z")
You may have pressed the back button, refreshed during login, opened too many login dialogs, or there is some issue with cookies, since we couldn’t find your session. Try logging in again from the application and if the … --- ## [Is it possible to not allow simultaneous log in?](https://community.auth0.com/t/is-it-possible-to-not-allow-simultaneous-log-in/8136)
**Author:** [@patrickrainier](https://community.auth0.com/u/patrickrainier)\ **Replies:** 0\ **Last updated:** [September 8, 2017, 5:49pm UTC](https://community.auth0.com/t/is-it-possible-to-not-allow-simultaneous-log-in/8136 "2017-09-08T17:49:33Z")
Let’s say a user logs in on chrome and then also logs in on firefox. Is is it possible to not allow this? A user can only log in at one device/browser at a time. --- ## [Test Connection tries to log into wrong database](https://community.auth0.com/t/test-connection-tries-to-log-into-wrong-database/7990)
**Author:** [@ben.runchey](https://community.auth0.com/u/ben.runchey)\ **Replies:** 2\ **Last updated:** [August 28, 2017, 7:19pm UTC](https://community.auth0.com/t/test-connection-tries-to-log-into-wrong-database/7990 "2017-08-28T19:19:45Z")
I have created a client and database and associated the two. When I create a user in this database, I am unable to log in. When I check my logs, I don’t see any attempt to log into this connection, rather I see a faile… --- ## [One of our user has outdated SSO](https://community.auth0.com/t/one-of-our-user-has-outdated-sso/7966)
**Author:** [@Olivier\_Bourdoux](https://community.auth0.com/u/Olivier_Bourdoux)\ **Replies:** 0\ **Last updated:** [August 25, 2017, 2:10am UTC](https://community.auth0.com/t/one-of-our-user-has-outdated-sso/7966 "2017-08-25T02:10:39Z")
The user can log in, but SSO renewal returns an outdated token. Hence he gets disconnected right after a SSO check. In the manager, the # of logins don’t match in the users list or the user details : !\[alt text\]\[1\] !… --- ## [Authorize your APIs by logged in User](https://community.auth0.com/t/authorize-your-apis-by-logged-in-user/7699)
**Author:** [@amna768](https://community.auth0.com/u/amna768)\ **Replies:** 4\ **Last updated:** [August 2, 2017, 6:02pm UTC](https://community.auth0.com/t/authorize-your-apis-by-logged-in-user/7699 "2017-08-02T18:02:48Z")
I have a regular web application and one custom API. I have authenticated user using AUth0 and now want to Authorize API with this logged-in user. I am trying to implement OIDC here. I have enabled OIDC in advance set…