![]() ![]() ![]() TCP will reassemble those packets when they arrive at the target system. One feature that ensures this robustness is its ability to deal with packets that have been fragmented or broken into multiple pieces. TCP was designed to be a robust protocol that would continue to communicate even in unfavorable or difficult circumstances. This will scan each port starting at 1, and then increment by one to port 2, then 3, and so on. We'll look at some of the basic functions that are applicable to hackers here, but investing a little time to learn additional features will be time well invested. Hping3 is a powerful tool with numerous features and functions. So, let's fire up our BackTrack and take a look at hping3. Like nearly all of the tools I demonstrate here in Null Byte, hping3 is built into BackTrack. There are so many things we can do with hping3, but I'll limit myself to just a few in this tutorial. In addition, we can test various IDS and firewall evasion techniques such a fragmenting packets, slow scans, etc. This can be very helpful in doing recon, as different packets will illicit different responses from the operating system TCP/IP stack, giving us clues to the underlying OS, ports, and services. ![]() Due to its versatility, hping3 is often referred as a "packet crafting tool," which means that it can create just about any type of packet you can imagine. ![]()
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