| 摘要 |
A login browser form allows a user to securely login to an account and access a web-based service at a server or server farm, referred to as a transaction node, without using a separate authentication or single sign-on server. A user is assigned to one of multiple transaction nodes as its home when the user enrolls in the web-based service. In a subsequent attempt to login, the user may land at the home transaction node or at a non-home transaction node. The transaction node serves the login browser form, including code to cause the web browser to transmit the user login id to the transaction node. If the transaction node determines that it is not the user's home, based on its records of user assignments, it identifies the home and configures the web browser to direct future communications to the home. The user's password is not sent to the non-home.
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