Sign in to AWS Console>
After successful login you will land in Dashboard. From there choose EC2. Click on Navigation bar and there you can select a region. Region need not be the location you belong to. You can choose any region irrespective of your location. But one thing to remember is that a key pair is specific to a region. That is to say, to launch an instance in the Ohio Region, your key pair must be created in same region.
After you select the region. In Navigation pane go to NETWORK & SECURITY. There you will find Key Pairs. Click on it. And then click on Create Key Pair.
Security groups control the traffic coming into and going out of an Amazon EC2 instance. You can call then as firewalls within EC2. In EC2 each instance must be connected to a Security Group.
Security groups are region specific. Security group of one region is not accessible from another region.
Go to Amazon EC2 console. From navigation bar go select a region as done before in this article while creating a key pair.
In left navigation pane select Security Groups. Thenclick on Create Security Group.
Give a name to the Security group and a description. Choose a name which is easy for you to remember.
When you select a security group you can see 4 tabs.
Description, Inbound, Outbound, Tags