![]() ![]() To do this, you would issue the command shown (with the accompanying output) in Listing 1. Suppose you want to send two TCP packets to a system named james, and you want those packets to hit port 80 on james. ![]() Scanning HostsĪfter installing hping, you are ready to get started. Red Hat or CentOS packages are also available online. You don't need to enable any additional repositories. To install hping, enter the following command: sudo apt-get install hping3. If you're using an Ubuntu or Debian system, you can use either Synaptic Package Manager or apt-get for the installation. Hping3 is available from the project website as a source tarball. In this article, I will explain how to start generating test packets with hping. Hping provides a single, universal solution that helps prevent many problems of the previous generation. A less obvious advantage of hping3 is that Salvatore Sanfilippo, the creator of all things hping, rewrote much of the underlying code. Hping3 lets you create fairly sophisticated scripts that will help you simulate traffic for your firewalls and intrusion detection systems. If you use the command without any arguments, hping3 places you into a session, much like the old nslookup command. The original hping and hping2 applications operate as one-time commands – they don't launch an interactive shell. ![]() Hping3 comes with a new TCL scripting engine and is, therefore, quite bit more powerful than a simple command-line tool. I use hping3 as a stand-alone application, but I still have hping2 in case I need it for third-party applications, such as scapy (another packet manipulation tool) and idswakeup (an application for auditing intrusion detection systems). I install both versions, and I recommend that you do the same. Several applications depend upon hping2, which has been around quite a bit longer than hping3. Hping3 is the latest version of hping, and hping2 is the most significant predecessor application. ![]()
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