It is a common perception of human beings that the barriers are harmful stuffs for a human body. The statement is quite true in most of the cases. But the human being is known for its unpredictable and exceptional discoveries & inventions. The services are arranged now-a-days, which have changed the perceptions of people. Now, the barrier is used to give protection of data, contents, commands and other sensitive documents. Firewall protection is one of such barriers. The protection is used by most of the organisations and individual personalities to protect sensitive commercial and personal information respectively.

How come the name firewall?

The term firewall mainly refers to a wall, which is intended to confine a fire within a building. The firewall technology comes in software industries in the late 1980s. Later, many important improvisations were done to get the best results. The various generations of firewall technologies are following:-

● First generation: packet filters

This type of filter looks at the network addresses and ports of the packets. Then, it is determined that the packets should be blocked or allowed. Packet filtering mainly works on the three layers of the OSI reference model.
● Second generation: stateful filters

This filter performs on the work of first-generation predecessors. It operates up to layer 4 of the OSI model. Stateful packet inspection is done to provide the protection.

● Third generation: application layer

It detects the unwanted protocol, which tries to bypass the firewall on an allowed port.

The services of Oracle, giving a full proof protection

Oracle offers a comprehensive and fully integrated stack of engineered systems, cloud applications and platform services. It works in more than 145 countries. Oracle firewall accurately detects the unauthorised database activity. The databases include both Oracle and non-Oracle databases. Consolidation of data and logs generated by databases, directories, operating systems, file systems and customs sources is done in a secure medium. The firewall protection provided by the Oracle Corporation is suitable for the level of security needed in each business field. The software appliances are made such that the early indication of the threats is given to the developers automatically. The immediate actions are performed as well by the anti threat appliances. A pleasant experience is ensured by the firewall protection of Oracle.