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SUBSCRIBE TO CHANNELWhat is a Firewall?
In the digital world, security is everything. A Firewall acts as a protective barrier between your computer (or private network) and the vast, often dangerous internet. It is your first line of defense against hackers and malicious software.
How Does a Firewall Work?
Think of a firewall as a security gate at a housing complex. It inspects every "packet" of data that tries to enter or leave your network. Based on a set of rules, it decides whether to let the data through or block it.
- Inbound Rules: Protects you from threats coming from the outside.
- Outbound Rules: Prevents your device from sending sensitive data to malicious sites.
Why You Need One
Without a firewall, your computer is essentially "open" to anyone on the internet. A firewall helps:
- Prevent unauthorized remote access.
- Block malicious traffic and malware.
- Monitor network activity for suspicious patterns.
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