Aws ec2 instance I built, the entry rules in the 80 port, port 443 has also opened up, the firewall I directly closed, I still can't ping I ec2 instances of IP, is this why?

CodePudding user response:

Pro 80 443 are TCP protocol, want to ping, need to open the ICMP,

CodePudding user response:

CodePudding user response:

Wrong,
Vbaspdelphi said is right the ICMP
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/security-group-rules-reference.html? ShortFooter=true# sg - rules - ping