Can't Ping my Amazon EC2 Server
A few months ago, when I was installing arch linux, I needed to check my internet connection. Pinging was an easy way to go. I ping-ed google. Good. Then i tried to ping my own server. Nothing.
I left it since it wasn’t important, but it sort of bothered me.
Fast forward to Sunday. I am studying SOLR for searches on my site. The tutorial suggests using ping to my server to check if solr is working or not. Then I remember that I can’t!!
A Few Hours Later
After mucking about with Ubuntu iptables and ubuntu’s firewall ufw, I finally stumble on a reference in a site the pretty much sent me in the right directions, but not quite 100%.
The Solution
The solution was to go to the AWS Management Console.
- Go to the EC2Dashboard, and bring up your security groups.
- Choose the correct group for your server.
- Click the INbound tab.
- Click the Edit button.
- Click ‘add rule’, and choose ‘Custom ICMP Rule’.
- Set the protocol to ‘echo reply’, and appropriate ip source.
- repeat 6 and 5 but this time protocol is ‘echo request’
- done!
Now you should be able to ping your server nicely.
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