2019-05-18 11:30:16 +00:00
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---
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layout: default
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title: Sessions
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permalink: /configuration
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parent: Configuration
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nav_order: 3
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---
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## Sessions
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Sessions allow a user's authentication to be tracked between multiple HTTP
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requests to a service.
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The OAuth2 Proxy uses a Cookie to track user sessions and will store the session
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data in one of the available session storage backends.
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At present the available backends are (as passed to `--session-store-type`):
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2019-05-28 13:26:22 +00:00
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- [cookie](cookie-storage) (default)
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2019-05-18 11:30:16 +00:00
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### Cookie Storage
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The Cookie storage backend is the default backend implementation and has
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been used in the OAuth2 Proxy historically.
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With the Cookie storage backend, all session information is stored in client
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side cookies and transferred with each and every request.
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The following should be known when using this implementation:
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- Since all state is stored client side, this storage backend means that the OAuth2 Proxy is completely stateless
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- Cookies are signed server side to prevent modification client-side
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- It is recommended to set a `cookie-secret` which will ensure data is encrypted within the cookie data.
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- Since multiple requests can be made concurrently to the OAuth2 Proxy, this session implementation
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cannot lock sessions and while updating and refreshing sessions, there can be conflicts which force
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users to re-authenticate
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