Hack The Sec-Leading Resource Of Linux Tutorial: Dos

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<u><span style="color: #990000;">Installing Mod_Antiloris To Mitigate SlowLoris DOS Attack</span></u></h2>
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<span style="color: #333333; font-family: verdana, geneva, sans-serif;"><span style="font-size: 15px; line-height: 26px;">In computing, a denial-of-service (<a href="http://www.hackthesec.co.in/search/label/DOS" target="_blank">DoS</a>) attack is an attempt to make a machine or network resource unavailable to its intended users, such as to temporarily or indefinitely interrupt or suspend services of a host connected to the Internet.</span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbXyoGw_tVxPwMEaPBFK-7jx-AyZVVx6y5XVv0d_OY6LGrVfWQAug-kvGRptCO4vry43cDykBUs72vkGRas8rdImg3f8zqpr0HNUYdoQ7oGnjufhs8bIe6ncmkA2sgGmI96hWbvRu2nWK9/s1600/dos-attack-hackthesec.co.in.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbXyoGw_tVxPwMEaPBFK-7jx-AyZVVx6y5XVv0d_OY6LGrVfWQAug-kvGRptCO4vry43cDykBUs72vkGRas8rdImg3f8zqpr0HNUYdoQ7oGnjufhs8bIe6ncmkA2sgGmI96hWbvRu2nWK9/s1600/dos-attack-hackthesec.co.in.jpg" /></a></div>
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<span style="color: #333333; font-family: verdana, geneva, sans-serif;"><span style="font-size: 15px; line-height: 26px;"><br /></span></span></div>
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<span style="color: #333333; font-family: verdana, geneva, sans-serif;"><span style="font-size: 15px; line-height: 26px;">A distributed denial-of-service (<a href="http://www.hackthesec.co.in/search/label/Ddos%20Attack" target="_blank">DDoS</a>) is where the attack source is more than one, often thousands of, unique IP addresses. It is analogous to a group of people crowding the entry door or gate to a shop or business, and not letting legitimate parties enter into the shop or business, disrupting normal operations.</span></span></div>
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<a href="http://www.hackthesec.co.in/2016/05/how-to-protect-apache-server-from-dos-attack.html" itemprop="url" style="background-color: white; display: block; font-family: 'Open Sans', serif, sans-serif; font-size: 18.6px; font-weight: 600; text-decoration: none;"></a><ul style="text-align: left;"><a href="http://www.hackthesec.co.in/2016/05/how-to-protect-apache-server-from-dos-attack.html" itemprop="url" style="background-color: white; display: block; font-family: 'Open Sans', serif, sans-serif; font-size: 18.6px; font-weight: 600; text-decoration: none;"></a>
<li><a href="http://www.hackthesec.co.in/2016/05/how-to-protect-apache-server-from-dos-attack.html" itemprop="url" style="background-color: white; display: block; font-family: 'Open Sans', serif, sans-serif; font-size: 18.6px; font-weight: 600; text-decoration: none;"></a><a href="http://www.hackthesec.co.in/2016/05/how-to-protect-apache-server-from-dos-attack.html" itemprop="url" style="display: inline !important; font-size: 18.6px; text-decoration: none;"><span style="color: #990000;">How to Protect Apache Server From Denial-of-Service (Dos) Attack</span></a></li>
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<span style="color: #0b5394; font-family: verdana, geneva, sans-serif;"><span style="font-size: 15px; line-height: 26px;"><b><u>INSTALLATION:-</u></b></span></span></div>
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<span style="background-color: white; font-size: 15px; line-height: 26px;"><span style="color: #333333; font-family: verdana, geneva, sans-serif;">Download the installer from sourceforge and install</span></span></div>
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<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); clear: none !important; margin-bottom: 10px !important; margin-top: 10px !important; outline: 0px; overflow: auto; padding: 10px !important; vertical-align: baseline; width: auto !important; word-break: break-all;"><span style="color: white;"><span style="font-size: 14px; line-height: 19.2px;">[root@hackthesec]# cd /usr/local/src

</span></span><span style="color: white; font-size: 14px; line-height: 19.2px;">[root@hackthesec]# </span><span style="color: white;"><span style="font-size: 14px; line-height: 19.2px;">apxs -a -i -c mod_antiloris.c</span></span></pre>
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<span style="background-color: white; font-size: 15px; line-height: 26px;"><span style="color: #333333; font-family: verdana, geneva, sans-serif;">Now restart Apache</span></span></div>
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<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); clear: none !important; margin-bottom: 10px !important; margin-top: 10px !important; outline: 0px; overflow: auto; padding: 10px !important; vertical-align: baseline; width: auto !important; word-break: break-all;"><span style="color: white; font-size: 14px; line-height: 19.2px;">[root@hackthesec]# </span><span style="background-color: transparent; font-size: 14px; line-height: 19.2px;"><span style="color: white;">service httpd restart</span></span></pre>
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<span style="background-color: white; font-size: 15px; line-height: 26px;"><span style="color: #333333; font-family: verdana, geneva, sans-serif;">check whether mod_antiloris loaded or not</span></span></div>
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<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); clear: none !important; margin-bottom: 10px !important; margin-top: 10px !important; outline: 0px; overflow: auto; padding: 10px !important; vertical-align: baseline; width: auto !important; word-break: break-all;"><span style="color: white;"><span style="font-size: 14px; line-height: 19.2px;">httpd -M | grep antiloris</span></span></pre>
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<span style="background-color: white; font-size: 15px; line-height: 26px;"><span style="color: #990000; font-family: verdana, geneva, sans-serif;">Note:- if you are using cpanel server then you have to run the below command to make sure new modification are updated into configuration system file</span></span></div>
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<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); clear: none !important; margin-bottom: 10px !important; margin-top: 10px !important; outline: 0px; overflow: auto; padding: 10px !important; vertical-align: baseline; width: auto !important; word-break: break-all;"><span style="color: white;"><span style="font-size: 14px; line-height: 19.2px;">/usr/local/cpanel/bin/apache_conf_distiller –update</span></span></pre>
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); clear: none !important; margin-bottom: 10px !important; margin-top: 10px !important; outline: 0px; overflow: auto; padding: 10px !important; vertical-align: baseline; width: auto !important; word-break: break-all;"><span style="color: white;"><span style="font-size: 14px; line-height: 19.2px;"><a href="http://www.hackthesec.co.in/">www.hackthesec.co.in</a></span></span></pre>
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