Nginx Module Reference manual: HTTP Directory Inventory Generation module (HTTP Auto Index)

These modules are all compiled into Nginx by default unless a module is manually specified to be excluded in configure.

This module provides an automatic directory listing.
The connection request requests this module only if the master file is not found in the ngx_http_index_module.
The following example:

Instructions

AutoIndex

Syntax: AutoIndex [On|off]
Default value: AutoIndex off
Working with fields: HTTP, server, location
Variables: None
Whether to use an automatic catalog list.

Autoindex_exact_size

Syntax: autoindex_exact_size [On|off]
Default value: Autoindex_exact_size on
Working with fields: HTTP, server, location
Variables: None
Specifies the size of the generated automatic catalog file, either accurate to bytes or using KB, MB, or GB.

Autoindex_localtime

Syntax: Autoindex_localtime [On|off]
Default value: Autoindex_localtime off
Working with fields: HTTP, server, location
Variables: None
Whether the local time (GMT time) is displayed in the Catalog list file, and the default is off.