A database firewall is designed to prevent particular kinds of traffic from passing through the external Internet network to the internal network. This facilitates the database administrators to manage what penetrates in the local network and keep unwanted data out. Besides filtering, this prevents internal users from transferring various forms of data, or transferring data to specified locations.
Application-layer firewalls can recognize the traffic passing through them and permit or refuse traffic based on the data content. Host-based firewalls intended to block unwanted content on the Web that is derived from keywords covered in the Web pages are a type …...Read More