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Published byWillis Wheeler Modified over 9 years ago
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IT:Network:Apps
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Need to keep track of many things ◦ Traffic (packets) ◦ Network load ◦ Server load ◦ Disk space ◦ Log files ◦ Availability of Servers/Services
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Protocol Analyzer ◦ Wireshark ◦ Sniffer ◦ Network Monitor Need to see all packets ◦ Promiscuous Mode ◦ Management port on switch
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Could use Wireshark again (Stats>Summary) Administrative Tools > Performance ◦ IPv4 – Datagrams (sent/received) / sec ◦ Network Interface – Bytes (sent/received/total) / sec
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Performance again ◦ Processor - % Processor Time ◦ Processor - % Idle Time ◦ Memory – Pages/sec
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Disk Space – does it have enough space ◦ Performance Monitor ◦ Logical Disk - Free megabytes; % Free Space Disk Performance – is it fast enough ◦ Performance Monitor ◦ Logical Disk – Avg Disk Read|Write Queue Length
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System keeps log files with important info ◦ System; Application; Security; Others Look at them!!! EventRover EventAlarm
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Security Policy (Local, Domain, DC) ◦ Local Policies – Audit Policy What to watch ◦ Account Logon Events – domain user auth by DC ◦ Account Mgmt – ◦ Logon Events – user auth by local machine ◦ Object access – file system/reg key/ printer (ntfs security – Adv – audit) ◦ Policy Change ◦ Privilege use ◦ Process Tracking ◦ System Events
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It Depends ◦ Security – watch for what “shouldn’t” happen ◦ Tracking – watch for what “is” happening Do we need to know Mary successfully logged in? Do we need to know the server restarted? ◦ Why did it restart? Do we need to know a user was created? ◦ who created it and why? Watch Log File
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NetProbe Performance Could be as simple as ping Could check for specific service (www, smtp) Could check Performance Monitor settings
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Windows Software Update Services ◦ Patch management software Microsoft Security Baseline Analyzer ◦ MBSA, probes local and remote systems for security issues Missing updates, hotfixes etc for most Microsoft Software
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