Most of the functioning of any business rely on its database. What if its database is vulnerable? What to do if your information is insecure and easily hacked by cyber criminals? The answer to such questions is Firewall.
What is Firewall?
A firewall is a software or hardware for controlling the exposure of the services to the network, i.e., managing the access to each port except those requiring public access.
When we talk about a typical server, several services run by default. These services can be divided into the following groups:
- Public services: These services are accessible by all on