# Customized login auth plugin

**URL:** <https://meta.discourse.org/t/customized-login-auth-plugin/49691>\
**Category:** Feature\
**Created:** [4 Settembre 2016, 3:39am UTC](https://meta.discourse.org/t/customized-login-auth-plugin/49691 "2016-09-04T03:39:59Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![fefrei](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/fefrei/32/119538_2.png) [@fefrei](https://meta.discourse.org/u/fefrei)\
**Post date:** [4 Settembre 2016, 2:25pm UTC](https://meta.discourse.org/t/customized-login-auth-plugin/49691/4 "2016-09-04T14:25:13Z")

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I’m not sure I understand the difference between these two options.

SSO means that Discourse will ask an external application to handle authentication, which can then use its database to handle the requests.

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_[View the full topic](https://meta.discourse.org/t/customized-login-auth-plugin/49691)._