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< div id = "local-sidebar" >
< ul >
< li > < a href = "Home.html" > Home< / a > < / li >
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< li > Setup
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< ul >
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< li > < a href = "Download-and-Installation.html" > Download and Installation< / a > < / li >
< li > < a href = "Upgrade-and-migration.html" > Upgrade and migration< / a > < / li >
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< li > < a href = "Server-requirements.html" > Server requirements< / a > < / li >
< li > < a href = "Server-configuration.html" > Server configuration< / a > < / li >
< li > < a href = "Server-security.html" > Server security< / a > < / li >
< li > < a href = "Shaarli-configuration.html" > Shaarli configuration< / a > < / li >
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< li > < a href = "Plugins.html" > Plugins< / a > < / li >
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< / ul > < / li >
< li > < a href = "Docker.html" > Docker< / a > < / li >
< li > < a href = "Usage.html" > Usage< / a >
< ul >
< li > < a href = "Sharing-button.html" > Sharing button< / a > (bookmarklet)< / li >
< li > < a href = "Browsing-and-Searching.html" > Browsing and Searching< / a > < / li >
< li > < a href = "Firefox-share.html" > Firefox share< / a > < / li >
< li > < a href = "RSS-feeds.html" > RSS feeds< / a > < / li >
< / ul > < / li >
< li > How To
< ul >
< li > < a href = "Backup,-restore,-import-and-export.html" > Backup, restore, import and export< / a > < / li >
< 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 >
< li > < a href = "Create-and-serve-multiple-Shaarlis-(farm).html" > Create and serve multiple Shaarlis (farm)< / a > < / li >
< li > < a href = "Download-CSS-styles-from-an-OPML-list.html" > Download CSS styles from an OPML list< / a > < / li >
< li > < a href = "Datastore-hacks.html" > Datastore hacks< / a > < / li >
< / ul > < / li >
< li > < a href = "Troubleshooting.html" > Troubleshooting< / a > < / li >
< li > < a href = "Development.html" > Development< / a >
< ul >
< li > < a href = "GnuPG-signature.html" > GnuPG signature< / a > < / li >
< li > < a href = "Coding-guidelines.html" > Coding guidelines< / a > < / li >
< li > < a href = "Directory-structure.html" > Directory structure< / a > < / li >
< li > < a href = "3rd-party-libraries.html" > 3rd party libraries< / a > < / li >
< li > < a href = "Plugin-System.html" > Plugin System< / a > < / li >
< li > < a href = "Release-Shaarli.html" > Release Shaarli< / a > < / li >
< li > < a href = "Security.html" > Security< / a > < / li >
< li > < a href = "Static-analysis.html" > Static analysis< / a > < / li >
< li > < a href = "Theming.html" > Theming< / a > < / li >
< li > < a href = "Unit-tests.html" > Unit tests< / a > < / li >
< / ul > < / li >
< li > About
< ul >
< li > < a href = "FAQ.html" > FAQ< / a > < / li >
< li > < a href = "Community-&-Related-software.html" > Community & Related software< / a > < / li >
< / ul > < / li >
< / ul >
< / div >
< h1 id = "server-security" > Server security< / h1 >
< h2 id = "php.ini" > php.ini< / h2 >
< p > PHP settings are defined in:< / p >
< ul >
< li > a main configuration file, usually found under < code > /etc/php5/php.ini< / code > ; some distributions provide different configuration environments, e.g.
< ul >
< li > < code > /etc/php5/php.ini< / code > - used when running console scripts< / li >
< li > < code > /etc/php5/apache2/php.ini< / code > - used when a client requests PHP resources from Apache< / li >
< li > < code > /etc/php5/php-fpm.conf< / code > - used when PHP requests are proxied to PHP-FPM< / li >
< / ul > < / li >
< li > additional configuration files/entries, depending on the installed/enabled extensions:
< ul >
< li > < code > /etc/php/conf.d/xdebug.ini< / code > < / li >
< / ul > < / li >
< / ul >
< h3 id = "locate-.ini-files" > Locate .ini files< / h3 >
< h4 id = "console-environment" > Console environment< / h4 >
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< div class = "sourceCode" > < pre class = "sourceCode bash" > < code class = "sourceCode bash" > $ < span class = "ex" > php< / span > --ini
< span class = "ex" > Configuration< / span > File (php.ini) < span class = "ex" > Path< / span > : /etc/php
< span class = "ex" > Loaded< / span > Configuration File: /etc/php/php.ini
< span class = "ex" > Scan< / span > for additional .ini files in: /etc/php/conf.d
< span class = "ex" > Additional< / span > .ini files parsed: /etc/php/conf.d/xdebug.ini< / code > < / pre > < / div >
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< h4 id = "server-environment" > Server environment< / h4 >
< ul >
< li > create a < code > phpinfo.php< / code > script located in a path supported by the web server, e.g.
< ul >
< li > Apache (with user dirs enabled): < code > /home/myself/public_html/phpinfo.php< / code > < / li >
< li > < code > /var/www/test/phpinfo.php< / code > < / li >
< / ul > < / li >
< 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 >
< li > access the script from a web browser< / li >
< li > < p > look at the < em > Loaded Configuration File< / em > and < em > Scan this dir for additional .ini files< / em > entries< / p >
< div class = "sourceCode" > < pre class = "sourceCode php" > < code class = "sourceCode php" > < span class = "kw" > < ?php< / span > < span class = "fu" > phpinfo< / span > < span class = "ot" > ();< / span > < span class = "kw" > ?> < / span > < / code > < / pre > < / div > < / li >
< / ul >
< h2 id = "fail2ban" > fail2ban< / h2 >
< 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 >
< ul >
< li > < a href = "http://www.fail2ban.org/wiki/index.php/Main_Page" > Official website< / a > < a href = ".html" > < / a > < / li >
< li > < a href = "https://github.com/fail2ban/fail2ban" > Source code< / a > < a href = ".html" > < / a > < / li >
< / ul >
< h3 id = "read-shaarli-logs-to-ban-ips" > Read Shaarli logs to ban IPs< / h3 >
< p > Example configuration:< / p >
< ul >
< li > allow 3 login attempts per IP address< / li >
< li > after 3 failures, permanently ban the corresponding IP adddress< / li >
< / ul >
< p > < code > /etc/fail2ban/jail.local< / code > < / p >
< div class = "sourceCode" > < pre class = "sourceCode ini" > < code class = "sourceCode ini" > < span class = "kw" > [shaarli-auth][]< / span > < span class = "dt" > (.html)< / span >
< span class = "dt" > enabled < / span > < span class = "ot" > =< / span > < span class = "st" > < / span > < span class = "kw" > true< / span >
< span class = "dt" > port < / span > < span class = "ot" > =< / span > < span class = "st" > https,http< / span >
< span class = "dt" > filter < / span > < span class = "ot" > =< / span > < span class = "st" > shaarli-auth< / span >
< span class = "dt" > logpath < / span > < span class = "ot" > =< / span > < span class = "st" > /var/www/path/to/shaarli/data/log.txt< / span >
< span class = "dt" > maxretry < / span > < span class = "ot" > =< / span > < span class = "st" > < / span > < span class = "dv" > 3< / span >
< span class = "dt" > bantime < / span > < span class = "ot" > =< / span > < span class = "st" > -< / span > < span class = "dv" > 1< / span > < / code > < / pre > < / div >
< p > < code > /etc/fail2ban/filter.d/shaarli-auth.conf< / code > < / p >
< div class = "sourceCode" > < pre class = "sourceCode ini" > < code class = "sourceCode ini" > < span class = "kw" > [INCLUDES][]< / span > < span class = "dt" > (.html)< / span >
< span class = "dt" > before < / span > < span class = "ot" > =< / span > < span class = "st" > common.conf< / span >
< span class = "kw" > [Definition][]< / span > < span class = "dt" > (.html)< / span >
< span class = "dt" > failregex < / span > < span class = "ot" > =< / span > < span class = "st" > \s-\s< HOST> \s-\sLogin failed for user.*$< / span >
< span class = "dt" > ignoreregex < / span > < span class = "ot" > =< / span > < span class = "st" > < / span > < / code > < / pre > < / div >
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< h2 id = "robots---restricting-search-engines-and-web-crawler-traffic" > Robots - Restricting search engines and web crawler traffic< / h2 >
< 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 >
< pre > < code > User-agent: *
Disallow: /< / code > < / pre >
< p > See:< / p >
< ul >
< li > < a href = "http://www.robotstxt.org/" class = "uri" > http://www.robotstxt.org/< / a > < / li >
< li > < a href = "http://www.robotstxt.org/robotstxt.html" class = "uri" > http://www.robotstxt.org/robotstxt.html< / a > < / li >
< li > < a href = "http://www.robotstxt.org/meta.html" class = "uri" > http://www.robotstxt.org/meta.html< / a > < / li >
< / ul >
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