Authentication issues with rspamd admin ui

[kaiyou]

On some servers, querying the rspamd admin ui API fails once every two requests with an authentication error.

{"error":"Unauthorized"}

The logs indeed show one every two requests failing to authenticate:

antispam_1   | 2017-11-11 13:54:11 #9(controller) <018585>; csession; rspamd_controller_check_password: allow unauthorized connection from a trusted IP 172.18.0.22
antispam_1   | 2017-11-11 13:54:11 #9(controller) <6bf7ac>; csession; rspamd_controller_check_password: absent password has been specified
antispam_1   | 2017-11-11 13:54:14 #9(controller) <0d63ac>; csession; rspamd_controller_check_password: allow unauthorized connection from a trusted IP 172.18.0.22
antispam_1   | 2017-11-11 13:54:14 #9(controller) rspamd_controller_check_password: absent or incorrect password has been specified
antispam_1   | 2017-11-11 13:55:05 #9(controller) <e9d218>; csession; rspamd_controller_check_password: allow unauthorized connection from a trusted IP 172.18.0.22
antispam_1   | 2017-11-11 13:55:06 #9(controller) <2cc5f6>; csession; rspamd_controller_check_password: absent password has been specified

[kaiyou]

This was in fact due to the configuration of our test servers, fixed.