CT Network management 2015.ppt

Find access points to this data secure access points

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Find access points to this data Secure access points Maintain security at access points Builds on, and co-operates with, operating system security
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Network Management 9 Security Methods of Securing Access Points Use a combination of: Encryption Packet filtering Host authentication User authentication Key authentication Cost, implementation load, human resources, etc. determine what is used
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Network Management 10 Security - Maintaining Security In co-operation with configuration management: Maintain secure access points Monitor (and react to!) intrusions Identify new access points Re-verify old access points which have changed Use software to probe access points, check accounts, check passwords, etc.
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Network Management 11 Performance Management Measure performance of network hardware, software and media Example measures: Error rate, Response time, Throughput rate Correlate to predict where performance may suffer Collect data on current utilisation Set thresholds Often values determined by trial and error Analyse and report data Simulate network
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Network Management 12 Accounting Management Track each individual and group’s usage of network resources to ensure sufficient resources are provided Example: Identifying heavy users of a resource e.g. file system who may require a more local version of that resource
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