Looking for logging into the Why Cant I To Heroku 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 Why Cant I To Heroku site. After that you can login as usual with your login credentials.
https://help.heroku.com/GOLWIGSP/why-can-t-i-connect-or-authenticate-with-the-heroku-command-line-cli
https://stackoverflow.com/questions/44431077/cant-login-to-heroku-using-cli
https://www.quora.com/Why-can%E2%80%99t-I-login-to-Heroku
https://github.com/heroku/legacy-cli/issues/698
https://github.com/heroku/cli/issues/855
https://github.com/heroku/legacy-cli/issues/1046
https://github.com/heroku/cli/issues/378
https://www.ruby-forum.com/topic/5206988
http://sourabhbajaj.com/mac-setup/Heroku/README.html
https://serverfault.com/questions/807698/cant-login-to-heroku-through-firewall
https://www.freecodecamp.org/forum/t/unable-to-login-to-heroku-via-cloud9/130671
https://www.synbioz.com/blog/hosting_on_heroku
https://discuss.newrelic.com/t/unable-to-login-from-newrelic-website-or-heroku-app-link/35950