We have a react application which used get that data from spring boot webservice. Both is deployed in a same server(tomcat). But we only need Kerberos authentication for webservice call from the React application. Anyone can open the React application but when it navigate then it calls to the webservcie to get the data. So if we configure the spring to support spnego kerberos spring sso, is it possible that browser will automatically pass( from React app, as react run on the browser) the logged in Windows credentials to the spring boot web service.