Syntax: port_in_redirect on | off; Default: port_in_redirect

Syntax: tcp_nopush on | off; Default: tcp_nopush off;

Syntax: sendfile on | off; Default: sendfile off;

Syntax: sendfile_max_chunk size; Default: sendfile_max_chunk 0;

Syntax: client_body_timeout time; Default: client_body_timeout 60s;

Syntax: send_timeout time; Default: send_timeout 60s;

Syntax: resolver_timeout time; Default: resolver_timeout 30s;

Syntax: server_names_hash_max_size size; Default: server_names_hash_max_size

Syntax: open_file_cache_valid time; Default: open_file_cache_valid

Syntax: tcp_nodelay on | off; Default: tcp_nodelay on;