![]() ![]() * Learn Defensive Monitoring Considerations See how to define your wireless network boundaries, and monitor to know if they’re being exceeded and watch for unauthorized traffic on your network. * Troubleshoot Network Problems See how to reporting on bandwidth usage and other metrics and to use data collection methods like sniffing, NetFlow, and SNMP. You are reviewing a packet capture in Wireshark but only need to see packets. * Explore Snort Add-Ons Use tools like Oinkmaster to automatically keep Snort signature files current. * Install and Configure Snort and Wireshark Explore the feature set of these powerful tools, as well as their pitfalls and other security considerations. * Perform Basic Hardening Put an IT security policy in place so that you have a concrete set of standards against which to measure. * Implement Firewalls Use netfilter to perform firewall logic and see how SmoothWall can turn a PC into a dedicated firewall appliance that is completely configurable. * Use Nmap Learn how Nmap has more features and options than any other free scanner. * Take Inventory See how taking an inventory of the devices on your network must be repeated regularly to ensure that the inventory remains accurate. In addition, learn handy techniques for network troubleshooting and protecting the perimeter. Learn how to test and audit your systems using products like Snort and Wireshark and some of the add-ons available for both. It is the perfect introduction to managing an infrastructure with freely available, and powerful, Open Source tools. With millions of downloads and approximately 400,000 registered users, Snort has become the industry. Snort is the most extensively used IDS/IPS solution in the world, combining the advantages of signature, protocol, and anomaly-based inspection. Book description The Perfect Reference for the Multitasked SysAdmin This is the perfect guide if network security tools is not your specialty. Snort is an open-source intrusion prevention system that can analyze and log packets in real-time.
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