The functions of network devices are structured around three planes: management, control, and data. This document provides administrators and engineers guidance on securing Cisco firewall appliances, which increases the overall security of an end-to end architecture. Limiting the CPU Impact of Data Plane Traffic Using Authentication, Authorization, and Accounting.įortifying the Simple Network Management Protocolĭisable Logging to Monitor Sessions and the Consoleįiltering Transit Traffic with Transit ACLsĮnable Inspection for Nondefault ApplicationsĪCLs to Block Private and Bogon Addresses Leverage Authentication, Authorization, and Accounting.Ĭontrol Management Sessions for Security Services Modules Monitor Cisco Security Advisories and Responses
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