Portforwarding on your ISPs router or use./ngrok tcp>port:4444. Hi i was thinking how i can hack some one outside of my network. If we did not have an agreed upon way to communicate, people would be using many languages, grammar, and rules and none of us would understand each other. For instance, we here on Null Byte have agreed upon the English language with all its rules and grammar as our way to communicate. What Are Protocols? Protocols are simply an agreed upon way to communicate. Otherwise, you will be simply wasting your time. When trying to create a new hacking tool or investigate a network attack, understanding these protocols and their fields is essential. From my experience, many professionals in these fields do not understand the basics of TCP/IP, which means that you will definitely have an advantage over them if you do understand TCP/IP. Image via To become a proficient hacker, or simply be a good network engineer, you should understand the structure and anatomy of these protocols.
