I have the networking knowledge and expertise. I know what kind of traffic I need to verify the configuration. All I needed was a tool to generate that traffic ….
You may even have used them at work. If you have, do you get access to them at all times? Ostinato is Wireshark in reverse and the perfect companion tool to Wireshark.
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Other than the automation and scripting options that are available, there is also a hotkey function for one button operation. Packet Sender is useful as a malware analyzer because of the raw inputs that it works with when sniffing packets and data.
If you want to download it for yourself then you can find the links to the installation packages for all the most popular operating systems right here.
Pricing: As mentioned, the application is free and open source, but you can donate if you find the application useful. Nping is another open source application that allows users to create custom protocols and measure send and response times. This is very useful for response analysis and response time investigations for network engineers. Nping will allow you to generate custom packets so that you can test most protocols. Protocol headers are also configurable with Nping, so you can fine tune your testing until you find the results that you are after.
Nping is useful on several levels. As a basic ping utility it is very good, while more advanced features such as raw packet generation, ARP poisoning, DOS attacks, tracert and more lie just below the surface. Echo mode will give you a unique look at how your packets change during their journey to the destination, helping you understand what the conditions are for the data as it traverses the network. Nping is a command line tool, so if you are not into Linux, Windows or Mac OS CLI commands then you might struggle with this application a little in the beginning.
Luckily it is very easy for CLI users to get into. There are many good reasons why you would want to use a CLI application like this. You can include multiple target hosts, as well as target ports, so you can build custom scans that will help you to identify weaknesses and lapses in security on your network.
This is a very handy application to have in your toolbox, especially if you do a lot of network diagnostics. This is a free and open source application that will help you to get to the bottom of many network specific issues that you face on a daily basis as an IT professional, so downloading it and testing it is a good idea. You can find a download package here , as it is a part of the Nmap application.
TRex is yet another open source project but it is not free. It is a low cost stateful and stateless traffic generator that runs off of DPDK.
It is able to generate L traffic, which is primarily based on the pre-processing and playback of real traffic templates.
All aspects of your packet data can be changed and manipulated, so you are able to customize the variables around your network tests whenever you need to. Stateful features are also available. Network Latency and jitter is also measurable, while flow ordering checks, NAT and PAT dynamic translation learning features are also available.
Stateless features allow you to create your own traffic streams, with customizable characteristics, while the large scale gives you support for up to 20 million packets per second. It allows multiple streams and the ability to change fields inside of each packet of data. Contact information can be found here for pricing enquiries.
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