Limiting icmp unreach response from 231 to 200 packets per second
Posted in Uncategorized on Oct 11th, 2010
What you’re seeing is the kernel limiting ICMP responses to 200/second. If there are more than 200 ICMP requests per second, and you have net.inet.icmp.icmplim set to 200 via sysctl (the default value), this occurs. This could be a ICMP flood attack. It could also be legimate traffic. For your network, what would you consider [...]
