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Session 2 Security Monitoring Identify Device Status Traffic Analysis Routing Protocol Status Configuration & Log Classification
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Identifying an Attack
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Identification Tools
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Network Benchmark Parameter
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Device Status CPU Memory Temperature
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CPU Load
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Abnormal CPU Load
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Identifying an Attack through CPU Load
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Temperature
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Traffic Analysis Technology (Netflow & Sniffer) Layer 3 or 4 based Application based
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Netflow Detect & Affirm
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Use Netflow
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Detect DoS
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Example
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Layer 3 or 4 TOP N IP address based Protocol based Port based Packet Size based AS based
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Index
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overview Normalin/Normalout Spoofin/Spoofout Bandwidth 、 PPS and Packet Size
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Traffic Statistics Picture According to bandwidth bandwidth 、 packet size and PPS According to direction normalin/normalout spoofin/spoofout According to time 4 hours , 2 days , 1 week , 2 months max , min , average , now
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Traffic Statistics Picture (overview)
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Traffic Statistics
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IP TOP 20 Order by source/destination address Order by source destination peer Order by bandwidth and PPS
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Traffic Analyse (TOP20)
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Packet size TOP20 Order by bandwidth 、 PPS
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Port Distribution TOP20 Order by sour/dest port summary Order by sour/dest port direction Order by bandwidth and pps
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Port distribution TOP20
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Protocol statistic TOP20 According to protocol normalin 、 normalout 、 spoofin and spoofout Order by bandwidth and pps
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Protocol Statistic TOP20
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Protocol Picture According to bandwidth and pps According to type TCP UDP ICMP According to time 4hours , 2day , 1week , 2month Max, min, average, now
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Protocol (TCP UDP ICMP) Statistics Overview
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Protocol (TCP UDP ICMP) Statistics
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AS Statistic TOP20 According to direction normalin 、 normalout 、 spoofin and spoofout According to bandwidth and pps
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AS Statistic TOP20
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Abnormal Traffic Query System
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Routing Protocol Status Route Entries Routing Protocol Stability
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Route Monitoring
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Routing (BGP summary)
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Routing Monitoring
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BGP Statistics
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BGP Monitoring (TEIN2-NORTH)
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BGP Monitoring (TEIN2-SOUTH)
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BGP Monitoring (TEIN2-JP)
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AS Path Entries
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Community Entries
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IPv4 Prefix
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IPv6 Prefix
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Route Flapping Top 20 No.PREFIXASOscillation 1195.251.96.0/2454083400 2156.148.0.0/161372829 3195.251.98.0/2354082714 4195.251.0.0/2354082301 5193.194.64.0/1932081952 6195.251.104.0/2454081895 7194.177.196.0/2433231528 884.205.64.0/24126541417 984.205.65.0/24126541266 1084.205.77.0/24126541250 1184.205.67.0/24126541147 1284.205.76.0/24126541134 1384.205.78.0/24126541074 1484.205.75.0/24126541025 1584.205.69.0/24126541008 1684.205.74.0/2412654998 17195.60.236.0/2239154941 1884.205.71.0/2412654940 19193.124.160.0/215402922 20193.124.208.0/203335874 No.ASOscillation 168046486 278638707 3540836036 4201831828 513721231 6462117600 7110317268 855917071 91265413666 10220013621 11538712209 12261410461 13165910013 147669504 152377633 166687213 1755016840 185536190 1925616062 2024226026
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IPv6 Route Flapping Top 10 No.PREFIXAS Oscillat ion 12001:4c00::/3234695673 22001:1a70::/3212046529 32001:1410::/3225538508 42001:4b58::/326802443 52001:1b20::/328665441 62001:a98::/328517439 72001:720::/32766431 82001:4170::/3213092407 92001:778::/322847392 102001:1a18::/323268391 No.ASOscillation 1195716 234695673 3559610 412046529 525538508 66802443 78665441 88517439 9766431 1013092407
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AAA & Log Audit Account SYSLOG Log audit tools
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Configuring Syslog on a router
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Configuration change notification and logging
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Log skill
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SNMP Authentication Failure via SYSLOG
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Classification Objectives
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Classification ACLs
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Classification and Traceback ACLs
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Classification ACLs - Hints
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Netflow Classification Technique
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show ip cache flow
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show ip cache verbose flow
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Sink Hole – How to Classify?
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