What is Windows Firewall?

Windows Firewall is a personal firewall which comessoftware from going out of the system followed by
bundled with Microsoft's Windows XP, Windowsgiving prompt to clean it. Computer viruses and
Server 2003, Windows Vista operating systems. Ithackers use open ports of a computer whose
filters data before it enters your system. Not onlyfirewall security system is disabled. It leads to spread
does Windows Firewall check incoming information; itof virus in whole PC. Therefore, a firewall is essential
takes care of outgoing information as well. A firewallsecurity software on a computer.
that works with a router program probes everyWindows Firewall was first released onto Windows
network packet to decide whether to forward itXP SP2. All kind of network connection including
toward its address.wired, wireless, VPN, or even FireWire, has the
Windows Firewall protects the valuable data storedfirewall enabled by default. However, there can be
on your PC in following ways:some built in exceptions allowing connections from
• Denying Remote Login.machine on the local network.
• Preventing SMTP session hijacking.Windows Vista has an improved version of the
• Scanning E-mail bombs that carry virusesfirewall which boasts of addressing concerns around
and other malware.the flexibility of Windows Firewall in a corporate
• Not allowing suspicious Macros to run onenvironment.
PC.Installing firewall security system offers an ultimate
• Keeping track of Virus, Spams andprotection to network against outside intruders.
Trojans.Improper architecture or poor set up of firewall can
• Deleting / blocking risk ware.affect data, thereby hampering your productivity.
Windows Firewall ensures an effective security ofThis encourages a need for to avail firewall support
Microsoft Windows. It also prevents the maliciousspecifically focused on firewall protection.