Wiki Article · Cinematic

Firewall

Firewall ek network security system hai — hardware-based, software-based, ya dono ka combination —…

Overview

Firewall — Quick Facts

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Property: Detail

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Concept Name: Firewall

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Category: Network Security

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Type: Hardware / Software / Cloud-based

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Infobox

📚 | Property | Detail | |---|---| | Concept Name | Firewall | | Category | Network Security…

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1. Parichay (Introduction)

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Unauthorized access block karta…

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Malicious traffic filter karta hai…

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Network segmentation provide karta…

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Policy enforcement karta hai…

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2. Types of Firewalls

🎯 | # | Type | OSI Layer | How It Works | Pros | Cons | |---|---|---|---|---|---| | 1 |…

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3. Kaise Kaam Karta Hai

⭐ Firewall ka basic working mechanism: `mermaid graph TD A[Incoming Network Traffic] -->…

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4. Firewall Rules aur Policies

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Source: Traffic kahan se aa raha…

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Destination: Traffic kahan ja raha…

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Port: Kaunsa port use ho raha hai…

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Protocol: TCP, UDP, ICMP, etc.

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5. Network Firewall vs Host-Based Firewall

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Network ke perimeter par deploy…

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Poore network ki traffic filter…

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Hardware appliance ya virtual…

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Examples: Cisco ASA, Palo Alto PA…

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6. Web Application Firewall (WAF)

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SQL Injection: Malicious SQL…

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Cross-Site Scripting (XSS):…

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Cross-Site Request Forgery (CSRF):…

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File Inclusion: Unauthorized file…

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7. Next-Generation Firewall (NGFW)

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Traditional Firewall: Packet…

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Intrusion Prevention System (IPS):…

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Deep Packet Inspection (DPI):…

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Application Awareness: Application…

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8. Cloud Firewalls

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Security Groups: Instance-level…

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Network ACLs: Subnet-level access…

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Cloud WAF: Managed WAF services…

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Cloud NGFW: Managed next-gen…

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9. Common Firewall Architectures

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Simplest — ek firewall internet…

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Small networks ke liye suitable

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Single point of failure

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Firewall ke 2 network interfaces —…

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10. Firewall Generations ka Evolution

🎯 | Generation | Era | Key Feature | Technology | |---|---|---|---| | 1st Generation | Late…

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11. Itihaas (History)

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1988: First firewall concept —…

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1989-1990: AT&T Bell Labs ne first…

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1991: Digital Equipment…

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1993: Check Point Software ne…

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12. Fayde aur Challenges

🔑 Fayde (Benefits) | # | Benefit | Description | |---|---|---| | 1 | Unauthorized Access…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Firewall ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Firewall ka 'Concept Name' kya hai?

Complete! 🎉

Firewall Complete!

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Firewall Complete

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