Looking for logging into the Typo3 Feuser Own site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Typo3 Feuser Own site. After that you can login as usual with your login credentials.
https://docs.typo3.org/typo3cms/EditorsTutorial/AccessControl/Login/Index.html
https://docs.typo3.org/typo3cms/CoreApiReference/latest/ApiOverview/Authentication/Index.html
https://extensions.typo3.org/extension/datamints_feuser/
https://docs.typo3.org/typo3cms/extensions/felogin/
https://www.typo3.net/forum/thematik/zeige/thema/117748/
https://www.typo3.net/forum/thematik/zeige/thema/63444/
https://stackoverflow.com/questions/53373135/typo3-frontend-editing-for-fe-user-and-own-login-mask
https://www.marc-willmann.de/typo3-tutorials/anleitungen/frontend-user-login-gegen-eigene-datenquelle/
https://www.typo3lexikon.de/typo3-tutorials/core/systemextensions/extbase/zugriff-auf-die-fe-users.html
http://labor.99grad.de/typo3-fe_login-um-eigene-marker-erweitern/
http://www.typo3forum.net/discussion/57548/felogin-keine-rueckmeldung-bei-login-versuch
https://jweiland.net/video-anleitungen/typo3/typo3-projekte-verwalten/zugriffsgeschuetzte-bereiche-im-frontend-felogin.html
http://cognifloyd.github.io/neos-historical-redmine/forge.typo3.org/issues/62194.html