"Personal Firewalls" are mostly snake-oil
A firewall is a box with an Ethernet port that protects a computer on which it has been installed. A 'personal firewall listens on all the ports on the system. It prompts the user every time a connection is attempted and acclimatizes security policies accordingly hence functions as a control for traffic in the network. Personal firewalls also offer some level of interruption detection, facilitating the software to block or terminate connection where it supposes an invasion is being attempted.
It is important for the end users to promote their ' firewall for the reason that if they don’t, they may not ...