Syntax: proxy_next_upstream_tries number; Default: proxy_next_upstream_tries

Syntax: proxy_read_timeout time; Default: proxy_read_timeout 60s;

Syntax: proxy_send_lowat size; Default: proxy_send_lowat 0;

Syntax: proxy_ssl_certificate file; Default: — Context:

Syntax: proxy_cache_lock on | off; Default: proxy_cache_lock

Syntax: proxy_cache_purge string ...; Default: — Context: http

Syntax: proxy_ssl_certificate_key file; Default: —

Syntax: proxy_cookie_path off;proxy_cookie_path path re

Syntax: proxy_headers_hash_bucket_size size; Default: proxy_head

Syntax: proxy_limit_rate rate; Default: proxy_limit_rate 0;