I have an EC2 instance running in AWS. When I try to ping from my local box it is not available.

How can I make the instance pingable?

terraform specific instructions for a security group because the -1 was not obvious to me.

resource "aws_security_group" "Ping" {
  vpc_id = "${aws_vpc.MyVPC.id}"
  ingress {
    from_port   = -1
    to_port     = -1
    protocol    = "icmp"
    cidr_blocks = ["0.0.0.0/0"]
    ipv6_cidr_blocks = ["::/0"]
  }
}

A few years late but hopefully this will help someone else...

1) First make sure the EC2 instance has a public IP. If has a Public DNS or Public IP address (circled below) then you should be good. This will be the address you ping. 

2) Next make sure the Amazon network rules allow Echo Requests. Go to the Security Group for the EC2.

• right click, select inbound rules
• A: select Add Rule
• B: Select Custom ICMP Rule - IPv4
• C: Select Echo Request
• D: Select either Anywhere or My IP
• E: Select Save

3) Next, Windows firewall blocks inbound Echo requests by default. Allow Echo requests by creating a windows firewall exception...

• Go to Start and type Windows Firewall with Advanced Security
• Select inbound rules

4) Done! Hopefully you should now be able to ping your server.

1.Go to EC2 Dashboard and click "Running Instances" on "Security Groups", select the group of your instance which you need to add security.
2.click on the "Inbound" tab
3.Click "Edit" Button (It will open an popup window)
4.click "Add Rule"
5.Select the "Custom ICMP rule - IPv4" as Type
6.Select "Echo Request" and "Echo Response" as the Protocol (Port Range by default show as "N/A)
7.Enter the "0.0.0.0/0" as Source
8.Click "Save"