There
are two types of firewalls: hardware firewall and software firewall. The router
functions as a hardware firewall, while Windows contains a software firewall.
You can also install other third-party firewalls.
In
August 2003, a Windows XP system connected to the Internet without a firewall,
the worm blaster could be caught in minutes, making the most of the malicious
services revealed by the network on the Internet.
In
addition to demonstrating the importance of installing security patches, it
also demonstrates the importance of using a firewall, which prevents cached
network traffic. to access your computer. But if your computer is behind a
router, do you need to have a software firewall installed?
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