The ping command is a type of ICMP traffic — if you are unable to ping your instance, ensure that your
inbound security group rules allow ICMP traffic for the Echo Request message from all sources, or from
the computer or instance from which you are issuing the command.
If you are unable to issue a ping command from your instance, ensure that your outbound security group rules allow ICMP traffic for the Echo Request message to all destinations, or to the host that you are attempting to ping.
C:\Users\raj>ping 52.207.212.227
Pinging 52.207.212.227 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 52.207.212.227:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
In the above case ping fail from our local PC to our EC2 server because ICMP port are not open
Now if we open ICMP port in Security group.
Now we are able to ping
If you are unable to issue a ping command from your instance, ensure that your outbound security group rules allow ICMP traffic for the Echo Request message to all destinations, or to the host that you are attempting to ping.
C:\Users\raj>ping 52.207.212.227
Pinging 52.207.212.227 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 52.207.212.227:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
In the above case ping fail from our local PC to our EC2 server because ICMP port are not open
Now if we open ICMP port in Security group.
Now we are able to ping
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