This file is indexed.

/usr/share/doc/lighttpd/expire.txt is in lighttpd-doc 1.4.33-1+nmu2ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
===============================================
Controlling the Expiration of Content in Caches
===============================================

------------------
Module: mod_expire
------------------

:Author: Jan Kneschke
:Date: $Date: 2004/11/03 22:26:05 $
:Revision: $Revision: 1.2 $

:abstract:
  mod_expire controls the setting of the the Expire Response header

.. meta::
  :keywords: lighttpd, expire

.. contents:: Table of Contents

Description
===========

mod_expire controls the Expire header in the Response Header of HTTP/1.0
messages. It is usefull to set it for static files which should be cached
aggressivly like images, stylesheets or similar.

Options
=======

expire.url
  assignes a expiration to all files below the specified path. The
  specification of the time is made up of: ::

    <access|modification> <number> <years|months|days|hours|minutes|seconds>

  following the syntax used by mod_expire in Apache 1.3.x and later.

  Example: ::

    expire.url = ( "/images/" => "access 1 hour" )