Client Certificate Authentication (Part 1) - Microsoft
Apollo Client uses the ultra flexible Apollo Link that includes several options for authentication. Cookie. If your app is browser based and you are using cookies for login and session management with a backend, it's very easy to tell your network interface to send the cookie along with every request. Client Authentication Client Authentication Use of the service means that you agree to abide by all applicable state, federal laws, California State University Acceptable Use Policy. In addition, users also agree to abide by campus network security standards and practices: Client Authentication - IBM Client authentication. Client authentication is similar to server authentication except that the telnet server requests a certificate from the client to verify that the client is who it claims to be. The certificate must be an X.509 certificate and signed by a certificate authority (CA) trusted by the server. Client authentication - Citrix Docs
The SMTP AUTH protocol is used for client SMTP email submission (typically on TCP port 587). SMTP AUTH doesn't support modern authentication (Modern Auth), and only uses basic authentication, so all you need to send email messages is a username and password.
Authentication is the process by which the database server establishes the identity of the client, and by extension determines whether the client application (or the user who runs the client application) is permitted to connect with the database user name that was requested. PostgreSQL offers a number of different client authentication methods. c# - How to use a client certificate to authenticate and I verified that the certificate was set for Client Authentication and that it is in the trusted root; Besides testing the client certificate in Fiddler I also validated it in Chrome. At one point during trying these options it started working. Then I started backing out changes …
Client authentication. Client authentication is similar to server authentication except that the telnet server requests a certificate from the client to verify that the client is who it claims to be. The certificate must be an X.509 certificate and signed by a certificate authority (CA) trusted by the server.
Client Authentication - IBM