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authornodiscc <nodiscc@gmail.com>2017-01-26 18:52:54 +0100
committernodiscc <nodiscc@gmail.com>2017-06-18 00:19:49 +0200
commit53ed6d7d1e678d7486337ce67a2f17b30bac21ac (patch)
treef8bef0164a70bd03d2b9781951c01bdd018f1842 /doc/Server-security.html
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Generate HTML documentation using MkDocs (WIP)
MkDocs is a static site generator geared towards building project documentation. Documentation source files are written in Markdown, and configured with a single YAML file. * http://www.mkdocs.org/ * http://www.mkdocs.org/user-guide/configuration/ Ref. #312 * remove pandoc-generated HTML documentation * move markdown doc to doc/md/, * mkdocs.yml: * generate HTML doc in doc/html * add pages TOC/ordering * use index.md as index page * Makefile: remove execute permissions from generated files * Makefile: rewrite htmlpages GFM to markdown conversion using sed: awk expression aslo matched '][' which causes invalid output on complex links with images or code blocks * Add mkdocs.yml to .gitattributes, exclude this file from release archives * Makefile: rename: htmldoc -> doc_html target * run make doc: pull latest markdown documentation from wiki * run make htmlpages: update html documentation
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1<!DOCTYPE html>
2<html>
3<head>
4 <meta charset="utf-8">
5 <meta name="generator" content="pandoc">
6 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
7 <title>Shaarli – Server security</title>
8 <style type="text/css">code{white-space: pre;}</style>
9 <style type="text/css">
10div.sourceCode { overflow-x: auto; }
11table.sourceCode, tr.sourceCode, td.lineNumbers, td.sourceCode {
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13table.sourceCode { width: 100%; line-height: 100%; }
14td.lineNumbers { text-align: right; padding-right: 4px; padding-left: 4px; color: #aaaaaa; border-right: 1px solid #aaaaaa; }
15td.sourceCode { padding-left: 5px; }
16code > span.kw { color: #007020; font-weight: bold; } /* Keyword */
17code > span.dt { color: #902000; } /* DataType */
18code > span.dv { color: #40a070; } /* DecVal */
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24code > span.ot { color: #007020; } /* Other */
25code > span.al { color: #ff0000; font-weight: bold; } /* Alert */
26code > span.fu { color: #06287e; } /* Function */
27code > span.er { color: #ff0000; font-weight: bold; } /* Error */
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31code > span.vs { color: #4070a0; } /* VerbatimString */
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33code > span.im { } /* Import */
34code > span.va { color: #19177c; } /* Variable */
35code > span.cf { color: #007020; font-weight: bold; } /* ControlFlow */
36code > span.op { color: #666666; } /* Operator */
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38code > span.ex { } /* Extension */
39code > span.pp { color: #bc7a00; } /* Preprocessor */
40code > span.at { color: #7d9029; } /* Attribute */
41code > span.do { color: #ba2121; font-style: italic; } /* Documentation */
42code > span.an { color: #60a0b0; font-weight: bold; font-style: italic; } /* Annotation */
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44code > span.in { color: #60a0b0; font-weight: bold; font-style: italic; } /* Information */
45 </style>
46 <link rel="stylesheet" href="github-markdown.css">
47 <!--[if lt IE 9]>
48 <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
49 <![endif]-->
50</head>
51<body>
52<div id="local-sidebar">
53<ul>
54<li><a href="Home.html">Home</a></li>
55<li>Setup
56<ul>
57<li><a href="Download-and-Installation.html">Download and Installation</a></li>
58<li><a href="Upgrade-and-migration.html">Upgrade and migration</a></li>
59<li><a href="Server-requirements.html">Server requirements</a></li>
60<li><a href="Server-configuration.html">Server configuration</a></li>
61<li><a href="Server-security.html">Server security</a></li>
62<li><a href="Shaarli-configuration.html">Shaarli configuration</a></li>
63<li><a href="Plugins.html">Plugins</a></li>
64</ul></li>
65<li><a href="Docker.html">Docker</a></li>
66<li><a href="Usage.html">Usage</a>
67<ul>
68<li><a href="Sharing-button.html">Sharing button</a> (bookmarklet)</li>
69<li><a href="Browsing-and-Searching.html">Browsing and Searching</a></li>
70<li><a href="Firefox-share.html">Firefox share</a></li>
71<li><a href="RSS-feeds.html">RSS feeds</a></li>
72<li><a href="REST-API.html">REST API</a></li>
73</ul></li>
74<li>How To
75<ul>
76<li><a href="Backup,-restore,-import-and-export.html">Backup, restore, import and export</a></li>
77<li><a href="Copy-an-existing-installation-over-SSH-and-serve-it-locally.html">Copy an existing installation over SSH and serve it locally</a></li>
78<li><a href="Create-and-serve-multiple-Shaarlis-(farm).html">Create and serve multiple Shaarlis (farm)</a></li>
79<li><a href="Download-CSS-styles-from-an-OPML-list.html">Download CSS styles from an OPML list</a></li>
80<li><a href="Datastore-hacks.html">Datastore hacks</a></li>
81</ul></li>
82<li><a href="Troubleshooting.html">Troubleshooting</a></li>
83<li><a href="Development.html">Development</a>
84<ul>
85<li><a href="GnuPG-signature.html">GnuPG signature</a></li>
86<li><a href="Coding-guidelines.html">Coding guidelines</a></li>
87<li><a href="Directory-structure.html">Directory structure</a></li>
88<li><a href="3rd-party-libraries.html">3rd party libraries</a></li>
89<li><a href="Plugin-System.html">Plugin System</a></li>
90<li><a href="Release-Shaarli.html">Release Shaarli</a></li>
91<li><a href="Versioning-and-Branches.html">Versioning and Branches</a></li>
92<li><a href="Security.html">Security</a></li>
93<li><a href="Static-analysis.html">Static analysis</a></li>
94<li><a href="Theming.html">Theming</a></li>
95<li><a href="Unit-tests.html">Unit tests</a></li>
96</ul></li>
97<li>About
98<ul>
99<li><a href="FAQ.html">FAQ</a></li>
100<li><a href="Community-&amp;-Related-software.html">Community &amp; Related software</a></li>
101</ul></li>
102</ul>
103</div>
104<h1 id="server-security">Server security</h1>
105<h2 id="php.ini">php.ini</h2>
106<p>PHP settings are defined in:</p>
107<ul>
108<li>a main configuration file, usually found under <code>/etc/php5/php.ini</code>; some distributions provide different configuration environments, e.g.
109<ul>
110<li><code>/etc/php5/php.ini</code> - used when running console scripts</li>
111<li><code>/etc/php5/apache2/php.ini</code> - used when a client requests PHP resources from Apache</li>
112<li><code>/etc/php5/php-fpm.conf</code> - used when PHP requests are proxied to PHP-FPM</li>
113</ul></li>
114<li>additional configuration files/entries, depending on the installed/enabled extensions:
115<ul>
116<li><code>/etc/php/conf.d/xdebug.ini</code></li>
117</ul></li>
118</ul>
119<h3 id="locate-.ini-files">Locate .ini files</h3>
120<h4 id="console-environment">Console environment</h4>
121<div class="sourceCode"><pre class="sourceCode bash"><code class="sourceCode bash">$ <span class="ex">php</span> --ini
122<span class="ex">Configuration</span> File (php.ini) <span class="ex">Path</span>: /etc/php
123<span class="ex">Loaded</span> Configuration File: /etc/php/php.ini
124<span class="ex">Scan</span> for additional .ini files in: /etc/php/conf.d
125<span class="ex">Additional</span> .ini files parsed: /etc/php/conf.d/xdebug.ini</code></pre></div>
126<h4 id="server-environment">Server environment</h4>
127<ul>
128<li>create a <code>phpinfo.php</code> script located in a path supported by the web server, e.g.
129<ul>
130<li>Apache (with user dirs enabled): <code>/home/myself/public_html/phpinfo.php</code></li>
131<li><code>/var/www/test/phpinfo.php</code></li>
132</ul></li>
133<li>make sure the script is readable by the web server user/group (usually, <code>www</code>, <code>www-data</code> or <code>httpd</code>)</li>
134<li>access the script from a web browser</li>
135<li><p>look at the <em>Loaded Configuration File</em> and <em>Scan this dir for additional .ini files</em> entries</p>
136<div class="sourceCode"><pre class="sourceCode php"><code class="sourceCode php"><span class="kw">&lt;?php</span> <span class="fu">phpinfo</span><span class="ot">();</span> <span class="kw">?&gt;</span></code></pre></div></li>
137</ul>
138<h2 id="fail2ban">fail2ban</h2>
139<p><code>fail2ban</code> is an intrusion prevention framework that reads server (Apache, SSH, etc.) and uses <code>iptables</code> profiles to block brute-force attempts:</p>
140<ul>
141<li><a href="http://www.fail2ban.org/wiki/index.php/Main_Page">Official website</a><a href=".html"></a></li>
142<li><a href="https://github.com/fail2ban/fail2ban">Source code</a><a href=".html"></a></li>
143</ul>
144<h3 id="read-shaarli-logs-to-ban-ips">Read Shaarli logs to ban IPs</h3>
145<p>Example configuration:</p>
146<ul>
147<li>allow 3 login attempts per IP address</li>
148<li>after 3 failures, permanently ban the corresponding IP adddress</li>
149</ul>
150<p><code>/etc/fail2ban/jail.local</code></p>
151<div class="sourceCode"><pre class="sourceCode ini"><code class="sourceCode ini"><span class="kw">[shaarli-auth][]</span><span class="dt">(.html)</span>
152<span class="dt">enabled </span><span class="ot">=</span><span class="st"> </span><span class="kw">true</span>
153<span class="dt">port </span><span class="ot">=</span><span class="st"> https,http</span>
154<span class="dt">filter </span><span class="ot">=</span><span class="st"> shaarli-auth</span>
155<span class="dt">logpath </span><span class="ot">=</span><span class="st"> /var/www/path/to/shaarli/data/log.txt</span>
156<span class="dt">maxretry </span><span class="ot">=</span><span class="st"> </span><span class="dv">3</span>
157<span class="dt">bantime </span><span class="ot">=</span><span class="st"> -</span><span class="dv">1</span></code></pre></div>
158<p><code>/etc/fail2ban/filter.d/shaarli-auth.conf</code></p>
159<div class="sourceCode"><pre class="sourceCode ini"><code class="sourceCode ini"><span class="kw">[INCLUDES][]</span><span class="dt">(.html)</span>
160<span class="dt">before </span><span class="ot">=</span><span class="st"> common.conf</span>
161<span class="kw">[Definition][]</span><span class="dt">(.html)</span>
162<span class="dt">failregex </span><span class="ot">=</span><span class="st"> \s-\s&lt;HOST&gt;\s-\sLogin failed for user.*$</span>
163<span class="dt">ignoreregex </span><span class="ot">=</span><span class="st"> </span></code></pre></div>
164<h2 id="robots---restricting-search-engines-and-web-crawler-traffic">Robots - Restricting search engines and web crawler traffic</h2>
165<p>Creating a <code>robots.txt</code> with the following contents at the root of your Shaarli installation will prevent <em>honest</em> web crawlers from indexing each and every link and Daily page from a Shaarli instance, thus getting rid of a certain amount of unsollicited network traffic.</p>
166<pre><code>User-agent: *
167Disallow: /</code></pre>
168<p>See:</p>
169<ul>
170<li><a href="http://www.robotstxt.org/" class="uri">http://www.robotstxt.org/</a></li>
171<li><a href="http://www.robotstxt.org/robotstxt.html" class="uri">http://www.robotstxt.org/robotstxt.html</a></li>
172<li><a href="http://www.robotstxt.org/meta.html" class="uri">http://www.robotstxt.org/meta.html</a></li>
173</ul>
174</body>
175</html>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 08:23:35 +0000