Syntax: secure_link_md5 expression; Default: — Context:

Syntax: userid_mark letter | digit | = | off;

Syntax: upstream name { ... } Default: — Context:

Syntax: postpone_output size; Default: postpone_output 1460;

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

Syntax: ssl_ciphers ciphers; Default: ssl_ciphers HIGH:!aNULL:!MD5;

Syntax: ssi on | off; Default: ssi off;

Syntax: hls_fragment time; Default: hls_fragment 5s;

Syntax: health_check [parameters]; Default: — Context:

Syntax: proxy_cache_valid [code ...] time; Default: