Syntax: ssl_verify_client on | off | optional | optional_no_ca;

Syntax: auth_request_set variable value; Default: —

Syntax: resolver address ... [valid=time] [ipv6=

Syntax: resolver address ... [valid=time];resolver

Syntax: keepalive connections; Default: — Context:

Syntax: upstream_conf; Default: — Context: location

Syntax: gzip_comp_level level; Default: gzip_comp_level 1;

Syntax: debug_points abort | stop; Default: —

Syntax: hls_fragment time; Default: hls_fragment 5s;

Syntax: gzip_vary on | off; Default: gzip_vary off;