Ever wondered how a firewall protects your network?

Ever wondered how a firewall protects your network?

Firewalls are the frontline defenders of your digital environment, acting as vigilant gatekeepers. They monitor and control traffic flow, ensuring your network stays safe from malicious activities while allowing legitimate communications.
Here’s a simplified breakdown of how a firewall works:
1️⃣ Client Request: A user sends a request to access a resource (e.g., a website or database).
2️⃣ Network Traversal: The request moves through the network toward its destination.
3️⃣ Firewall Checkpoint: The firewall intercepts the request, scrutinizing it against pre-defined security policies.
4️⃣ Filtering Rules:
Unauthorized or suspicious packets? Dropped!
Legitimate traffic? ✅ Passed through!
5️⃣ Server Communication: Approved requests reach the server, where the resource is processed.
6️⃣ Response Delivery: The server’s response also passes through the firewall for another round of checks before reaching the client.
Firewalls utilize a mix of packet filtering, stateful inspection, and application-layer filtering to evaluate and validate traffic effectively.
Why Firewalls Matter:
Protect sensitive data.
Block unauthorized access.
Enhance compliance with security standards.
Mitigate cyber threats like malware, phishing, and DDoS attacks.
Stay vigilant. Stay secure. A robust firewall is your first step toward an impenetrable cybersecurity strategy.

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Source : LinkedIn

Credits: Mr. Wasim A.