Firewall kya hota hai? Computer Ko Hack Se Kaise Bachata Hai (2025 Guide)
Firewall क्या होता है ? | Firewall Kaise Kaam Karta Hai | Types of Firewall | Best Firewall List 2025 🔹 Firewall क्या है ? Firewall ek network security device ya software hota hai jo aapke computer network ko unauthorized access se bachata hai. Simple words me samjhein to — firewall ek security guard ki tarah hota hai jo decide karta hai ki kaunsa data aapke system ke andar aayega aur kaunsa bahar jayega. Agar koi hacker ya malicious program aapke system me ghusne ki koshish kare, to firewall use block kar deta hai. Isse aapka network aur data safe aur secure rehta hai. Firewall 🔹 Firewall Kaise Kaam Karta Hai? Firewall incoming aur outgoing network traffic ko monitor karta hai. Ye har data packet ko check karta hai ki wo trusted source se aaya hai ya nahi. Agar packet suspicious ya unknown source se aata hai to firewall use block kar deta hai. Agar packet safe hota hai to use allow kar deta hai. Example: Jab aap internet par koi website open ...