Limit conn: removed deprecated "limit_zone" directive.
Limit conn: removed deprecated "limit_zone" directive.

It's deprecated since 260d591cb6a3 (1.1.8).  The "limit_conn_zone" directive
should be used instead.

firebase/nginx,hy0kl/nginx,hy0kl/nginx,firebase/nginx,firebase/nginx,firebase/nginx,hy0kl/nginx