Category: Tutorials and Courses

Finding Php Shell Scripts In Your Website

PHP vulnerabilities are the norm, there is not much that can be done to prevent uploads of malicious files on a PHP site when there are world writable directories especially when your website is using a well known opensource community driven software product to power your website.

Fail2ban

In this article you will learn how to install and configure fail2ban, a security tool that can help protecting your VPS/Server from brute force attacks.

Capturing Packets with Tcpdump

Tcpdump is a powerful network debugging tool which can be used for intercepting and displaying packets on a network interface. Moreover, only interested packets can be displayed by using its filtering feature.