What is
Firewall?
Firewall is a security system consisting of hardware or software to
prevent unauthorized access of a computer or a network. The main purpose
of firewall to manage the incoming and outgoing traffic between
different networks. In other word firewall provide controlled traffic
path if different trust levels. The software firewall is generally less
expensive, easy to configure than hardware firewall. Firewall is very
important for those users who are using cable Internet and DSL
connection.
Firewall protects your computer or networks from unauthorized remote
login, Backdoors applications, Operating system bugs, E-mail attack,
Viruses, Spam and Source routing. You can customize your firewall
according to your need and security level. You can filters different
sources for example your IP addresses, Ports, domain name and protocols.
Now days many Operating system supports built-in firewall for
example windows XP, window 2003 but you can use any third party
firewall software or hardware for this purpose.
COMPUTER TIPS