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Hardware & Software Firewalls
firewall typically set up a barrier between a trusted network and an untrusted network. An Internet firewall is a device or software which is designed to protect your computer from data and viruses that you do not want.
1. Software Firewall:
A software firewall is a special type of computer software that runs on a computer/server. Its main purpose is to protect your computer/server from outside attempts to control or gain access and depending on your choice of a software firewall. A software firewall can also be configured for checking any suspicious outgoing requests. Few well known software firewalls are Pfsense , Norton , Kaspersky & Zone Alarm.
2. Hardware Firewall
hardware firewall can be a computer or a dedicated piece of equipment which serve as a firewall. Hardware firewall are incorporated into the router that is situated between the computer and the internet gateway. Few well known Hardware based firewalls are Cisco , Fortinet , SonicWALL , F5 etc.