Firewall

Computers are the brain of our new generation companies. Because it contains the details of all transactions and other activities.In a larger firm there will be many computers and they are interconnected using there on network other than the internet . This facilities are used by many universities and police,railway and other many departments and private institutions also.In order to keep their secrets and highly confidential matters from others and public they should keep it from internet access.For this a new and safe technology is used.They are the Firewalls. This type of protected private networks are known as Intranet, which facilitates to keep their datas in that institution without leaking.