Fortunately, there are a number of open source security tool that provides leg in battle. Often the security appliance does exactly what you want, straight from the Security box. Network Tools shows experienced administrators how to modify, adapt, and extend popular open source security tools such as Nikto, Ettercap, and Nessus. This, compact high-end guide discusses the common customizations and extensions to these tools, then shows you how to write a review even more specialized attack and penetration that match your unique network environment. It also explains how tools like port scanners, packet injectors, network sniffers, and web assessment tools function. Some topics covered include: Writing your own network sniffers and packet injection tool Writing plugins for Nessus, Ettercap, and Nikto Developing Metasploit exploit for code analysis for web applications Writing kernel modules for security applications, and understanding rootkits Although many books about the safety of both academic slowly or too sensational, Network Security Tools takes the hand and accessible to even approach that will allow you to quickly review the issue and implement new, practical solutions - without reinventing the wheel.