# SSO vs Oauth2 difference?

**URL:** https://meta.discourse.org/t/sso-vs-oauth2-difference/76543
**Category:** SSO
**Created:** [December 21, 2017, 8:09am UTC](https://meta.discourse.org/t/sso-vs-oauth2-difference/76543 "2017-12-21T08:09:33Z")
**Posts on this page:** 1
**Showing post:** 11

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### Author: ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)
#### Post date: [December 22, 2017, 2:29pm UTC](https://meta.discourse.org/t/sso-vs-oauth2-difference/76543/11 "2017-12-22T14:29:59Z")

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> [@sam](#):
>
> Yeah if there is only one way to login we bypass a screen so you don’t have to “click” and then “click” when logging in.

One big difference that bothers me is:

- When using SSO, and login required if you go to the forum home, the login process starts automatically.

- If you have only one oAuth2 login method, and login required, navigating to the forum home displays a page asking you to log in.

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