My Codeigniter package related to Cloudflare. If my package is associated with Cloudflare. It does not work, and it shows "Error 520: the web server returns an unknown error."
Without Cloudflare, it works fine.
A problem with Cloudflare does not process requests with HTTP headers that exceed 32 KB. If you store several large cookies, be careful, they may be truncated, which may prevent users from visiting your site, and it works fine without Cloudflare.
520, , . Cloudflare.
: - https://codeigniter.com/userguide3/libraries/sessions.html#database-driver
, . , 520, .
, - URL- .
https://www.plac24.com/user/login?rdr=http%3A%2F%2Fwww.plac24.com%2F
, http://?
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