How do you check firewall for allow application server or web server

1. Check IP, It can access from internet, intranet or network
- In Network, It can not access from internet to this network. It can access in this network only. (ex. 10.1.1.1)
- In Intranet, It is IP of organization. It use to access in organization.
- In Internet, It can access everywhere.
2. In case Application Server and Web Server, it following
- If your server access outside, you must allow firewall --> Application Server Side.
- If everyone must access your server, You must allow firewall --> Web Server Side.
3. In case Cluster, You must allow firewall --> All server in Cluster.
4. In case Load Balance, You must allow firewall --> at load balance.