Eric Seagren – författare

This is the only book to clearly demonstrate how to get big dollar security for your network using freely available tools. This is a must have book for any company or person with a limited budget.Network security is in a constant struggle for budget to get things done. Upper management wants thing to be secure but doesn''t want to pay for it. With this book as a guide, everyone can get what they want. The examples and information will be of immense value to every small business. It will explain security principles and then demonstrate how to achieve them using only freely available software.- Teachers you how to implement best of breed security using tools for free- Ideal for anyone recomending and implementing new technologies within the company

The Perfect Reference for the Multitasked SysAdminThis is the perfect guide if network security tools is not your specialty. It is the perfect introduction to managing an infrastructure with freely available, and powerful, Open Source tools. Learn how to test and audit your systems using products like Snort and Wireshark and some of the add-ons available for both. In addition, learn handy techniques for network troubleshooting and protecting the perimeter.* Take InventorySee how taking an inventory of the devices on your network must be repeated regularly to ensure that the inventory remains accurate.* Use NmapLearn how Nmap has more features and options than any other free scanner.* Implement FirewallsUse netfilter to perform firewall logic and see how SmoothWall can turn a PC into a dedicated firewall appliance that is completely configurable.* Perform Basic HardeningPut an IT security policy in place so that you have a concrete set of standards against which to measure. * Install and Configure Snort and WiresharkExplore the feature set of these powerful tools, as well as their pitfalls and other security considerations.* Explore Snort Add-OnsUse tools like Oinkmaster to automatically keep Snort signature files current.* Troubleshoot Network ProblemsSee how to reporting on bandwidth usage and other metrics and to use data collection methods like sniffing, NetFlow, and SNMP.* Learn Defensive Monitoring ConsiderationsSee how to define your wireless network boundaries, and monitor to know if they''re being exceeded and watch for unauthorized traffic on your network.- Covers the top 10 most popular open source security tools including Snort, Nessus, Wireshark, Nmap, and Kismet- Follows Syngress'' proven "How to Cheat" pedagogy providing readers with everything they need and nothing they don''t