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“ping” is ICMP ECHO_REQUEST and ICMP ECHO_RESPONSE. Traceroute uses ICMP TIME_EXCEEDED. So blocking only “ping” will not affect traceroute. And if you block
by teddyh 2y ago
“ping” is ICMP ECHO_REQUEST and ICMP ECHO_RESPONSE. Traceroute uses ICMP TIME_EXCEEDED. So blocking only “ping” will not affect traceroute. And if you block all ICMP, you break your own internet: <http://shouldiblockicmp.com/ http://shouldiblockicmp.com/>
- newman314 2y agoThe number of companies that I've encountered that wholesale block ICMP because "security" is painfully high.