A firewall is a system designed to prevent unauthorized access to or from a private network. You can implement a firewall in either hardware or software form, or a combination of both. Firewalls prevent unauthorized internet users from accessing private networks connected to the internet, especially intranets. Generally the firewall has two network interfaces: one for the external side of the network, one for the internal side. Its purpose is to control what traffic is allowed to traverse from one side to the other. As the most basic level, firewalls can block traffic intended for particular IP addresses or server ports. Do we need firewall if we have antivirus? Yes. A firewall will not protect you from viruses and other malware. ... If you want to truly protect your computer from potential threats, we suggesting having both a firewall and antivirus program installed on your computer. Or, at a minimum, we recommend that firewall functionality be enabled on your router. What are the features of firewall? The main characteristics of the firewall protection include the following: • • • • • • Different protection levels based on the location of the computer. ... Protection of wireless networks (Wi-Fi) ... Access to the network and the Internet. ... Protection against intruders. ... Blocks. ... Definition of rules. Is an antivirus a firewall? A properly configured firewall can minimize damage caused by spyware by blocking unauthorized access, while antivirus is a software application used for the prevention, detection, and removal of malicious software, including computer viruses, trojan horses, spyware, and adware Right now, we are using the CYBEROAM firewall to protect our network from unauthorised users, Malwares and hacking. But the device’s subscription is expired two years ago and still its running just to group the users alone. Need to subscribe the present firewall system, otherwise, we have to go for other brands such as CISCO. The price will be around Rs.40,000.
