Verifying the configuration, N in, Figure 185 – H3C Technologies H3C MSR 50 User Manual

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Figure 185 Configuring intrusion detection

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Select interface Ethernet0/2.

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Select Enable Attack Defense Policy.

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Select Enable Land Attack Detection, Enable Smurf Attack Detection, Enable Scanning Attack
Detection, and Add Source IP Address to the Blacklist. Clear all other options.

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Click Apply.

Verifying the configuration

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Select Security Setup > Attack Defend > Blacklist. Host D and Host C are in the blacklist.

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Router drops all packets from Host D unless you remove Host D from the blacklist.

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Router drops packets from Host C within 50 minutes. Then, Router forwards packets from Host C
correctly.

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Upon detecting the scanning attack on Ethernet 0/2, Router outputs an alarm log and adds the IP
address of the attacker to the blacklist. You can view the added blacklist entry by selecting Security

Setup > Attack Defend > Blacklist.

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Upon detecting the Land or Smurf attack on Ethernet 0/2, Router outputs an alarm log and drops
the attack packet.

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