Computer network communication works using software ports. Ports are application specific end points 65,535 ports of which 1024 are pre-defined also known as well-known ports. You can learn more about computer ports through this Wiki article. Viruses and hackers use open ports in the Operating System to have illegal access to the system. The simplest … Read more
Firewall is an important tool which helps in securing our computers from outside threats. At the beginning, the only purpose of firewall was to protect a PC from outside attacks. But now as the Internet has advanced, the responsibilities of a firewall have also grown at large. Now Firewalls are responsible for handling outside … Read more
Windows comes with a good firewall which can be useful for blocking a lot of basic hacking attacks. The built-in Windows Firewall was first introduced with Windows XP and then improved its way to Windows 7. Windows 7 Firewall is an advanced version of Windows Firewall. By default, Windows Firewall will block all the unknown … Read more
