Friday , 15 November 2019

MIKROTIK PORT FORWARD IN BANGLA

MIKROTIK PORT FORWARD IN BANGLA

MIKROTIK PORT FORWARD, আজকে আমরা মাইক্রোটিকের Port Forward শিখবো। Port Forward টা, এটা কিভাবে কাজ করে, এটা আমরা কানও করবো ?

চলুন জেনে নেই MikroTik Port Forward সম্পর্কে। পোর্ট ফরওয়ার্ড খুব সিম্পল একটা টপিক। এখানে একটু লজিক আছে, লজিকটাও সিম্পল। লজিকটা হচ্ছে আমার একটা পাবলিক আইপি আছে রাউটারে বসানো। যেটা আমাকে আমার ইন্টারনেট সার্ভিস প্রোভাইডার দিয়েছে। কিন্তু আমার প্রাইভেট আইপিতে একটা সার্ভার আছে। আর আমার সেই সার্ভার যদি বাইরে থেকে এক্সেস করার বা কাউকে দিতে চাই তাহলে কি করবো? আমার তো সার্ভার কনফিগার করা আছে প্রাইভেট আইপি দিয়ে। আর আমাদের এই সার্ভার বাইরে থেকে পাওয়ার জন্য যা করা হয় সেটাকে পোর্ট ফরওয়ার্ড বলা হয়।

তারমানে হচ্ছে কোনো প্রাইভেট আইপিকে যদি আমরা বাইরে থেকে পেতে চাই তাহলে আমাদের পোর্ট ফরওয়ার্ড করতে হয়।

আশা করি পোর্ট ফরওয়ার্ড কি , কিভাবে কাজ করে বুজতে পেরেছেন। এখন চলুন দেখি কিভাবে মাইক্রোটিক দিয়ে পোর্ট ফরওয়ার্ড কনফিগার করবো ?
এজন্য আপনাকে মাইক্রোটিক সম্পর্কে জানা একটু জেনে নিতে হবে। মাইক্রোটিকে লগইন করতে হবে।

Mikrotik Port Forward কে দুইটি ভাগে ভাগ করতে পারি আমরা। খুব সহজে বুঝার জন্য । আমাদের রাউটারের পাবলিক আইপিটা হচ্ছে 27.131.14.58 এবং dst port 500 .

পার্ট ১ঃ Public IP অংশ ।

পার্ট ২ঃ Private IP অংশ ।


পার্ট ১ঃ Public IP অংশ ।

  • IP>Firewall>NAT – এখানে যেতে হবে।
  • “+” বাটনে ক্লিক করে
  • Chain=dstnat
  • Protocol=tcp
  • Dst. Port=Destination port address

এখানে আপনাকে আইপি ফায়ারওয়াল এ যেতে হবে। তারপর nat সিলেক্ট করতে হবে।
এখন “+” বাটনে ক্লিক করে chain এ dstnat দিতে হবে। protocol দিতে হবে tcp, Dst. Port দিতে হবে আপনি পাবলিক আইপি এবং যেই পোর্ট দিয়ে হিট করতে চান।

mikrotik port forward 1

পার্ট ২ঃ Private IP অংশ ।


আমাদের এই পার্টে তেমন কোন কাজ নেই। শুধু মাত্র

  • Action=dst-nat
  • To Address=Local IP
  • To Ports=Local Server Port Address
  • Then Click “OK”

এই অ্যাকশান অংশে শুধু আপনাকে Action=এখনে dst-nat করে দিতে হবে । To Addresses এ সার্ভারের লোকাল আইপিটা দিতে হবে। To Ports এ লোকাল সার্ভারের পোর্ট এড্রেসটা দিতে হবে । তারপর ওকে দিতে হবে ।

mikrotik port forward 4

আমাদের পাবলিক আইপির সাথে ডেস্টিনেশন পোর্ট দিয়ে হিট করতে হবে। নিচের ইমেজটা আমাদের একটা FTP Server . কিন্তু সার্ভারটা কনফিগার করা আছে প্রাইভেট আইপি দিয়ে ।

mikrotik port forward 3

এখন আমরা Browser এ আমাদের পাবলিক আইপি এবং পোর্ট দিয়ে হিট করলে আমাদের কাঙ্ক্ষিত সার্ভারটি পেয়ে যাব ।

mikrotik port forward 5

 

আশা করি সবাই বুজতে পেরেছেন Mikrotik Port Forward কিভাবে কনফিগার করতে হয় ? যদি কোন প্রশ্ন থাকে তাহলে কমেন্ট বা মেইল করতে পারেন : pollybd.com@gmail.com

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