To filter access (in and out) to network only to a legitimate user.
Common attribute used to filter on a firewall :
1. IP number
2. MAC address
3. DNS
And so you don't have access to any websites that contain:
games
proxies
porn
downloads
chat sites (facebook, ebuddy, MSN INBOX, messenger)
Firewall is a security solution which can be a software of hardware device mainly designed to filter unwanted access to the system.
Firewall is very essential since it protects the system from intruders or hackers who plan to take access over the system. The network entering the system must pass through the firewall, only then the network is considered to be safe. Firewall is programmed with the set of rules, based on which filtering takes place. Generally firewall filters incoming and outgoing traffic, source and destination of the networks, any many more.
Reference: personalfirewall.comodo.com
The purpose of the Sonicwall firewall is to provide security for the network and to monitor the traffic entering and exiting a network. This prevents malware and intrusions.
Firewall protect our computer through internet viruses etc.
The purpose behind an email firewall is to protect your account from malicious attacks. Firewalls help keep your information safe and private as well.
A firewall is always great to keep your computer and information completely safe from being broken into.
Business firewall software may different from home firewall software in offering more advanced protection. But basically it serves the same purpose which is to protect your computer from hackers and viruses.
Firewall appliances are stand-alone, self contained combinations of computing hardware and software. A commercial grade firewall system consists of application software that is configured for the firewall application and run on a general-purpose computer.
Firewall appliances are stand-alone, self contained combinations of computing hardware and software. A commercial grade firewall system consists of application software that is configured for the firewall application and run on a general-purpose computer.
An application firewall protects an application for being penetrated by unwanted software. This unwanted software could be malicious and could do damage to one's computer.
The purpose of ClamWin AntiVirus is to protect you computer against virus attacts. ClamWin also has an integrated firewall to protect hackers from entering your computer.
The purpose of the sXe Injected download is to protect games from having cheating programs downloaded into the game. The software works by acting like a firewall.
Change the settings so that either the site is allowed (recommended way) or so that any site can be accessed (bad idea, negates the firewall's purpose entirely).
No Firewall