Harden perimeter routers with Cisco firewall functionality and features to ensure network security Detect and prevent denial of service (DoS) attacks with TCP Intercept, Context-Based Access Control (CBAC), and the rate-limiting techniques Use Network-Based Application Recognition (NBAR) to detect and filter out unwanted traffic and malicious Use router authentication to prevent spoofing and routing attacks Activate basic Cisco IOS filtering features like standard, extended ACL, timed, lock-and-key, and reflexive to block various types of security threats and attacks such as spoofing, DoS, Trojan horses, and worms Use black hole routing, policy routing, and Reverse Path Forwarding (RPF) to protect against spoofing attacks Apply stateful filtering of traffic with CBAC, including dynamic port mapping Use Authentication Proxy (AP) for user authentication Perform address translation with NAT, PAT, load distribution, and other methods Implement stateful NAT (SNAT) for redundancy Use Intrusion Detection System (IDS) to protect against basic types of attacks Get how-to instructions on basic logging and learn to easily interpret results Apply IPSec to provide secure connectivity for sites for - and remote access connections Read about many, many more features of the IOS firewall for mastery of router security Cisco IOS Firewall offers a feature-rich functionality that you've come to expect from a firewall best-of-breed: address translation, authentication, encryption, stateful filtering, failover, URL content filtering, ACLs, NBAR, and many others. A detailed case study is included at the end of the book, which illustrates best practices and specific information about how to implement Cisco router security features. Do you want to learn about firewall security or seeking how-to techniques for improving security in your Cisco router, Cisco Router Firewall Security is a complete reference for securing your network perimeter. This book is part of the Networking Technology Series from Cisco Press, which offers networking professionals valuable information to build efficient networks, understanding new technologies, and build a successful career.