# Yahoo login gives blank page

**URL:** https://meta.discourse.org/t/yahoo-login-gives-blank-page/69002
**Category:** Bug
**Created:** [Agosto 29, 2017, 5:01pm UTC](https://meta.discourse.org/t/yahoo-login-gives-blank-page/69002 "2017-08-29T17:01:29Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![supermathie](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/supermathie/32/507518_2.png) [@supermathie](https://meta.discourse.org/u/supermathie)
#### Post date: [Novembro 16, 2017, 6:29pm UTC](https://meta.discourse.org/t/yahoo-login-gives-blank-page/69002/6 "2017-11-16T18:29:09Z")

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The root cause of this problem (502 from nginx) has been identified and a fix is underway:

> [@Yahoo login for Discourse](https://meta.discourse.org/t/yahoo-login-for-discourse/74060/15):
>
> It does make a difference, actually. The actual problem was that in our environment the size of the headers sent back by Discourse for the request going to /auth/yahoo are very large - 3897 bytes. BUT when navigating around before trying to login, the headers (one of which is the cookie that has some pre-login session state) gets larger, e.g. up to a size of 4142 bytes. This is larger than the [buffer which nginx allocates](http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_buffer_size) for holding that first part of the response. Upping the size of proxy\_…

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