Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
Enable Bypass for Rate limiting of Gitlab based on:
https://docs.gitlab.com/ee/user/admin_area/settings/user_and_ip_rate_limits.html#use-an-http-header-to-bypass-rate-limiting
https://docs.gitlab.com/omnibus/settings/nginx.html#inserting-custom-settings-into-the-nginx-configuration