Looking for logging into the Req 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 Req site. After that you can login as usual with your login credentials.
http://www.passportjs.org/docs/login/
http://knimon-software.github.io/www.passportjs.org/guide/authenticate/
https://github.com/jaredhanson/passport/issues/401
https://stackoverflow.com/questions/50027315/req-login-doesnt-save-the-session-express-v4
https://qiita.com/mazeltov7/items/39176aea0dba723fd60f
https://qiita.com/tinymouse/items/fa910bf80a038c7f9ccb
http://toon.io/understanding-passportjs-authentication-flow/
https://www.freecodecamp.org/forum/t/passport-authenticate-req-user-and-logout-methods-and-flashes-dont-work-on-the-home-page/210256
https://auth0.com/docs/quickstart/webapp/nodejs/01-login
https://blog.cloudboost.io/node-js-authentication-with-passport-4a125f264cd4
https://medium.com/@evangow/server-authentication-basics-express-sessions-passport-and-curl-359b7456003d
https://ja.nuxtjs.org/examples/auth-routes/
https://linkpt.cardservice.co.jp/cgi-bin/merchant.cgi?req=login