# Latest Firefox messing with SSO URL

**URL:** <https://meta.discourse.org/t/latest-firefox-messing-with-sso-url/172694>\
**Category:** Product Support\
**Created:** [December 9, 2020, 12:12am UTC](https://meta.discourse.org/t/latest-firefox-messing-with-sso-url/172694 "2020-12-09T00:12:27Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![michaeld](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/michaeld/32/1594_2.png) [@michaeld](https://meta.discourse.org/u/michaeld)\
**Post date:** [December 9, 2020, 5:11pm UTC](https://meta.discourse.org/t/latest-firefox-messing-with-sso-url/172694/3 "2020-12-09T17:11:12Z")

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That is a part of the base64 encoded string. You should `urlencode()` it before sending it to the client. Are you doing that? Can you share your code?

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