Open AWS Management -> Network & Security -> Security Groups -> Create security group
Step 2
Security group name - it is up to you
VPC - Select the appropriate VPC (if you are using VPC peering, you can later update the rules for your VPC security groups to reference security groups in the peered VPC. In case you are using a Transit Gateway, note that spoke Amazon VPCs cannot reference security groups in other spokes connected to the same AWS Transit Gateway)
Add an inbound rule with the following information
Type - All traffic
Protocol - All
Port range - All
Source - Custom -Enter the IP of your GoodAccess Gateway
Create :)
Step 3
Attach resources to the security group
Return to the EC2 dashboard
Select the Instances tab within the Instances section
Select the instance you would like to apply the Security Group to (select Actions /Networking /Change Security Groups)
Select the newly created security group, then select Assign security group