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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
| commit | fe39ffb8b90ae4e002ed73fe98617cd590abb467 (patch) | |
| tree | b80e5956907d8aeaaffe4e4f0c068c0e6157ce8b /docs/manual/programs/htpasswd.html.en | |
| parent | Initial commit. (diff) | |
| download | apache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.tar.xz apache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.zip | |
Adding upstream version 2.4.56.upstream/2.4.56
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/manual/programs/htpasswd.html.en')
| -rw-r--r-- | docs/manual/programs/htpasswd.html.en | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/docs/manual/programs/htpasswd.html.en b/docs/manual/programs/htpasswd.html.en new file mode 100644 index 0000000..9c219e1 --- /dev/null +++ b/docs/manual/programs/htpasswd.html.en @@ -0,0 +1,304 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head> +<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" /> +<!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>htpasswd - Manage user files for basic authentication - Apache HTTP Server Version 2.4</title> +<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> +<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> +<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" /> +<script src="../style/scripts/prettify.min.js" type="text/javascript"> +</script> + +<link href="../images/favicon.ico" rel="shortcut icon" /></head> +<body id="manual-page"><div id="page-header"> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="apache">Apache HTTP Server Version 2.4</p> +<img alt="" src="../images/feather.png" /></div> +<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> +<div id="path"> +<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.4</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>htpasswd - Manage user files for basic authentication</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/programs/htpasswd.html" title="English"> en </a> | +<a href="../fr/programs/htpasswd.html" hreflang="fr" rel="alternate" title="Français"> fr </a> | +<a href="../ko/programs/htpasswd.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | +<a href="../tr/programs/htpasswd.html" hreflang="tr" rel="alternate" title="Türkçe"> tr </a></p> +</div> + + <p><code>htpasswd</code> is used to create and update the flat-files used to + store usernames and password for basic authentication of HTTP users. If + <code>htpasswd</code> cannot access a file, such as not being able to write + to the output file or not being able to read the file in order to update it, + it returns an error status and makes no changes.</p> + + <p>Resources available from the Apache HTTP server can be restricted to + just the users listed in the files created by <code>htpasswd</code>. This + program can only manage usernames and passwords stored in a flat-file. It + can encrypt and display password information for use in other types of data + stores, though. To use a DBM database see <code class="program"><a href="../programs/dbmmanage.html">dbmmanage</a></code> or + <code class="program"><a href="../programs/htdbm.html">htdbm</a></code>.</p> + + <p><code>htpasswd</code> encrypts passwords using either bcrypt, + a version of MD5 modified for Apache, SHA1, or the system's + <code>crypt()</code> routine. Files + managed by <code>htpasswd</code> may contain a mixture of different encoding + types of passwords; some + user records may have bcrypt or MD5-encrypted passwords while others in the + same file may have passwords encrypted with <code>crypt()</code>.</p> + + <p>This manual page only lists the command line arguments. For details of + the directives necessary to configure user authentication in + <code class="program"><a href="../programs/httpd.html">httpd</a></code> see the Apache manual, which is part of the + Apache distribution or can be found at <a href="http://httpd.apache.org">http://httpd.apache.org/</a>.</p> +</div> +<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#synopsis">Synopsis</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#options">Options</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#exit">Exit Status</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#security">Security Considerations</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#restrictions">Restrictions</a></li> +</ul><h3>See also</h3><ul class="seealso"><li><code class="program"><a href="../programs/httpd.html">httpd</a></code></li><li><code class="program"><a href="../programs/htdbm.html">htdbm</a></code></li><li>The scripts in support/SHA1 which come with the +distribution.</li><li><a href="#comments_section">Comments</a></li></ul></div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="synopsis" id="synopsis">Synopsis</a></h2> + <p><code><strong>htpasswd</strong> + [ -<strong>c</strong> ] + [ -<strong>i</strong> ] + [ -<strong>m</strong> | + -<strong>B</strong> | + -<strong>d</strong> | + -<strong>s</strong> | + -<strong>p</strong> ] + [ -<strong>C</strong> <var>cost</var> ] + [ -<strong>D</strong> ] + [ -<strong>v</strong> ] <var>passwdfile</var> <var>username</var></code></p> + + <p><code><strong>htpasswd</strong> -<strong>b</strong> + [ -<strong>c</strong> ] + [ -<strong>m</strong> | + -<strong>B</strong> | + -<strong>d</strong> | + -<strong>s</strong> | + -<strong>p</strong> ] + [ -<strong>C</strong> <var>cost</var> ] + [ -<strong>D</strong> ] + [ -<strong>v</strong> ] <var>passwdfile</var> <var>username</var> + <var>password</var></code></p> + + <p><code><strong>htpasswd</strong> -<strong>n</strong> + [ -<strong>i</strong> ] + [ -<strong>m</strong> | + -<strong>B</strong> | + -<strong>d</strong> | + -<strong>s</strong> | + -<strong>p</strong> ] + [ -<strong>C</strong> <var>cost</var> ] <var>username</var></code></p> + + <p><code><strong>htpasswd</strong> -<strong>nb</strong> + [ -<strong>m</strong> | + -<strong>B</strong> | + -<strong>d</strong> | + -<strong>s</strong> | + -<strong>p</strong> ] + [ -<strong>C</strong> <var>cost</var> ] <var>username</var> + <var>password</var></code></p> +</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="options" id="options">Options</a></h2> + <dl> + <dt><code>-b</code></dt> + <dd>Use batch mode; <em>i.e.</em>, get the password from the command line + rather than prompting for it. This option should be used with extreme care, + since <strong>the password is clearly visible</strong> on the command + line. For script use see the <code>-i</code> option. + Available in 2.4.4 and later.</dd> + + <dt><code>-i</code></dt> + <dd>Read the password from stdin without verification (for script usage).</dd> + + <dt><code>-c</code></dt> + <dd>Create the <var>passwdfile</var>. If <var>passwdfile</var> already + exists, it is rewritten and truncated. This option cannot be combined with + the <code>-n</code> option.</dd> + + <dt><code>-n</code></dt> + <dd>Display the results on standard output rather than updating a file. + This is useful for generating password records acceptable to Apache for + inclusion in non-text data stores. This option changes the syntax of the + command line, since the <var>passwdfile</var> argument (usually the first + one) is omitted. It cannot be combined with the <code>-c</code> option.</dd> + + <dt><code>-m</code></dt> + <dd>Use MD5 encryption for passwords. This is the default (since version + 2.2.18).</dd> + + <dt><code>-B</code></dt> + <dd>Use bcrypt encryption for passwords. This is currently considered to + be very secure.</dd> + + <dt><code>-C</code></dt> + <dd>This flag is only allowed in combination with <code>-B</code> (bcrypt + encryption). It sets the computing time used for the bcrypt algorithm + (higher is more secure but slower, default: 5, valid: 4 to 17).</dd> + + <dt><code>-d</code></dt> + <dd>Use <code>crypt()</code> encryption for passwords. This is not + supported by the <code class="program"><a href="../programs/httpd.html">httpd</a></code> server on Windows and + Netware. This algorithm limits the password length to 8 characters. + This algorithm is <strong>insecure</strong> by today's standards. + It used to be the default algorithm until version 2.2.17.</dd> + + <dt><code>-s</code></dt> + <dd>Use SHA encryption for passwords. Facilitates migration from/to Netscape + servers using the LDAP Directory Interchange Format (ldif). + This algorithm is <strong>insecure</strong> by today's standards.</dd> + + <dt><code>-p</code></dt> + <dd>Use plaintext passwords. Though <code>htpasswd</code> will support + creation on all platforms, the <code class="program"><a href="../programs/httpd.html">httpd</a></code> daemon will + only accept plain text passwords on Windows and Netware.</dd> + + <dt><code>-D</code></dt> + <dd>Delete user. If the username exists in the specified htpasswd file, it + will be deleted.</dd> + + <dt><code>-v</code></dt> + <dd>Verify password. Verify that the given password matches the password + of the user stored in the specified htpasswd file. + Available in 2.4.5 and later.</dd> + + <dt><code><var>passwdfile</var></code></dt> + <dd>Name of the file to contain the user name and password. If + <code>-c</code> is given, this file is created if it does not already exist, + or rewritten and truncated if it does exist.</dd> + + <dt><code><var>username</var></code></dt> + <dd>The username to create or update in <var>passwdfile</var>. If + <var>username</var> does not exist in this file, an entry is added. If it + does exist, the password is changed.</dd> + + <dt><code><var>password</var></code></dt> + <dd>The plaintext password to be encrypted and stored in the file. Only + used with the <code>-b</code> flag.</dd> + </dl> +</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="exit" id="exit">Exit Status</a></h2> + <p><code>htpasswd</code> returns a zero status ("true") if the username and + password have been successfully added or updated in the + <var>passwdfile</var>. <code>htpasswd</code> returns <code>1</code> if it + encounters some problem accessing files, <code>2</code> if there was a + syntax problem with the command line, <code>3</code> if the password was + entered interactively and the verification entry didn't match, + <code>4</code> if its operation was interrupted, <code>5</code> if a value + is too long (username, filename, password, or final computed record), + <code>6</code> if the username contains illegal characters (see the + <a href="#restrictions">Restrictions section</a>), and <code>7</code> + if the file is not a valid password file.</p> +</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="examples" id="examples">Examples</a></h2> + <div class="example"><p><code> + htpasswd /usr/local/etc/apache/.htpasswd-users jsmith + </code></p></div> + + <p>Adds or modifies the password for user <code>jsmith</code>. The user + is prompted for the password. The password will be encrypted using the + modified Apache MD5 algorithm. If the file does not exist, + <code>htpasswd</code> will do nothing except return an error.</p> + + <div class="example"><p><code> + htpasswd -c /home/doe/public_html/.htpasswd jane + </code></p></div> + + <p>Creates a new file and stores a record in it for user <code>jane</code>. + The user is prompted for the password. If the file exists and cannot be + read, or cannot be written, it is not altered and <code>htpasswd</code> + will display a message and return an error status.</p> + + <div class="example"><p><code> + htpasswd -db /usr/web/.htpasswd-all jones Pwd4Steve + </code></p></div> + + <p>Encrypts the password from the command line (<code>Pwd4Steve</code>) + using the <code>crypt()</code> algorithm, and stores it in the specified + file.</p> +</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="security" id="security">Security Considerations</a></h2> + <p>Web password files such as those managed by <code>htpasswd</code> should + <em>not</em> be within the Web server's URI space -- that is, they should + not be fetchable with a browser.</p> + + <p>This program is not safe as a setuid executable. Do <em>not</em> make it + setuid.</p> + + <p>The use of the <code>-b</code> option is discouraged, since when it is + used the unencrypted password appears on the command line.</p> + + <p>When using the <code>crypt()</code> algorithm, note that only the first + 8 characters of the password are used to form the password. If the supplied + password is longer, the extra characters will be silently discarded.</p> + + <p>The SHA encryption format does not use salting: for a given password, + there is only one encrypted representation. The <code>crypt()</code> and + MD5 formats permute the representation by prepending a random salt string, + to make dictionary attacks against the passwords more difficult.</p> + + <p>The SHA and <code>crypt()</code> formats are insecure by today's + standards.</p> +</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="restrictions" id="restrictions">Restrictions</a></h2> + <p>On the Windows platform, passwords encrypted with + <code>htpasswd</code> are limited to no more than <code>255</code> + characters in length. Longer passwords will be truncated to 255 + characters.</p> + + <p>The MD5 algorithm used by <code>htpasswd</code> is specific to the Apache + software; passwords encrypted using it will not be usable with other Web + servers.</p> + + <p>Usernames are limited to <code>255</code> bytes and may not include the + character <code>:</code>.</p> + + <p>The cost of computing a bcrypt password hash value increases + with the number of rounds specified by the <code>-C</code> option. + The <code>apr-util</code> library enforces a maximum number of + rounds of 17 in version <code>1.6.0</code> and later.</p> +</div></div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/programs/htpasswd.html" title="English"> en </a> | +<a href="../fr/programs/htpasswd.html" hreflang="fr" rel="alternate" title="Français"> fr </a> | +<a href="../ko/programs/htpasswd.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | +<a href="../tr/programs/htpasswd.html" hreflang="tr" rel="alternate" title="Türkçe"> tr </a></p> +</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. 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