You could also set up your security group such that incoming 22 is denied by default, and open it up to individual IPs on-demand using a script like this: MY

You could also set up your security group such that incoming 22 is denied by default, and open it up to individual IPs on-demand using a script like this: MYIP=`curl http://automation.whatismyip.com/n09230945.asp` ec2-authorize $SECGROUP -P tcp -p 22 -s $MYIP/32