accesscache events
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icmp.ping events
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icmp.ping.throttle
- Severity
-
NOTICE
- Description
-
This message occurs when the system receives a burst of ICMP ping packet within a one-second interval. The packets are dropped by the system because these packets could be due to an ICMP attack.
- Corrective Action
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If the condition persists, determine the network source of the ICMP ping traffic and then block it by using a firewall rule. For assistance in determining the source, contact your network administrator.
- Syslog Message
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icmp_input: The system dropped %d ping packets after limiting the packets to %d per second.
- Parameters
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pingDropped (INT): ICMP_ECHO packets dropped due to throttling since the last time this message was generated.
icmpLimit (INT): Maximum number of ICMP packets per second.
