To add more information, we have the chain issue "Chain issues: Contains anchor". But removing it does not help. Some more details: https://prtsc.io/g4QVsY3PUY https://prtsc.io/FmMCjDao4p https://prtsc.io/WZksyPXucM Posted at Nginx Forum: http://forum.nginx.org/read.php?2,252972,252975#msg-252975