Learn more about technologyandthefuture with this collection
How to build trust in a virtual environment
How to manage remote teams effectively
How to assess candidates remotely
The Firewall
A firewall is an online security measure to protect your computer from viruses and other malicious attacks.
You can use the internet to communicate with around 4.9 billion people worldwide.
The downside is that everybody also has access to you. This includes hackers and viruses that want to steal your data, take control of your computer or even destroy it.
To stop this from happening, a firewall controls the data flowing between your computer and the internet. A firewall inspects data to make sure it has the right permissions. If it does, it can pass through.
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Data Packets: The Atoms Of The Internet
A video file isn't sent from YouTube to your computer as a single file. Instead, it's broken down into smaller pieces called data packets, which reassemble once you receive them, according to the website security company Cloudflare. Packet-filtering firewalls will check each data packet to make s...
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A Virtual Toll Gate
A firewall works at your computer's ports. When we're talking about computer networking, a port isn't the same as a jack or socket you plug your monitor into. Rather it's a virtual entry point where your computer exchanges information with other networks.
Every computer has lots of ports, ...
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How The Technology Works
When a firewall checks if data can enter your network, it'll read a message that comes with it called metadata. This will list a string of numbers indicating where the data has come from (known as the source address), where it's going (the 'destination address' aka your PC) and over which port.
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The Flow State
Flow state is a very powerful state of mind where you are extremely productive and also feel great.
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An example is a ...
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