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Cisco IOS Firewall
The Cisco IOS Firewall feature set provides integrated firewall functionality for every perimeter of the network. Available for a wide range of Cisco IOS-based routers, the Cisco IOS Firewall offers sophisticated security and policy enforcement for connections within an organization (intranet) and between partner networks (extranets), as well as for securing Internet connectivity for remote and branch offices. This security-specific, value-add option to Cisco IOS software, the Cisco IOS Firewall enhances existing Cisco IOS security capabilities, such as authentication, encryption and failover with state-of-the-art security features, such as stateful, per-application filtering (context-based access control), defense against network attacks, Java blocking and real-time alerts. The Cisco IOS Firewall provides a complete VPN solution based on Cisco IOS IPSec and other Cisco IOS-based technologies including L2TP tunneling and Quality of Service (QOS).