![]() ![]() ![]() It also prevents a whole class of malicious software – malware – including rootkits, Trojans and computer viruses from accessing the Internet through your computer. The Firewall is intended to prevent unauthorized connections being established with your network address from specific ports telnet, FTP, POP mailboxes and others. If you don’t have a firewall, or your firewall isn’t up to it, you risk losing the personal data on your computer, or even the very use of it, if it is hijacked as a resource for someone else. The Internet is a marvellous thing, the eight wonder of the world, but just as it opens up the world to you, the world can use this two-way portal to gain unauthorized access to your computer. Yes, I am retreading every cliché and pejorative generalisation of the last five years. Your Internet connection puts you within reach of every Hacker, Script Kiddie, Bot-net, Nigerian scammer, Albanian Mafioso and Chinese spy operative on the planet. ![]()
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