[cs615asa] HW1

[hchen29]

> aws ec2 authorize-security-group-ingress --group-name
> SecurityGroupName --protocol tcp --port 22 --cidr 155.246.0.0/16
> 
> Shouldn’t this work?

Maybe this is because you allow to much IPs to get access to your 
instance console. Users should be allowed to use the resources from 
server not to control the server by ssh command. It is better to fix it 
to a certain IP. Do not leave any space for attackers. This is only my 
point of view.

best,
Hanxiong Chen