Based on our record, Packet Sender seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
By googling around I found https://packetsender.com which is able to send-receive packets in various protocols - including UDP. It has desktop apps for Win, Mac and Linux (I used the Linux variant). In the desktop app, under the Tools menu, it has references to mobile apps for Android and iOS, but I had no luck locating them. Source: 12 months ago
I've slowly transitioned most of my company's projects over to this method for in house testing/calibration and it's made a world of difference. There is something to be said about being able to open putty or Packet Sender and get intimidate feedback on what is happening without having to bust out the debugger. Source: over 2 years ago
RADIUS uses UDP ports so you can't test it via telnet / test-netconnect (powershell), but there are 3rd party tools like Packet Sender: https://packetsender.com/. Source: almost 3 years ago
Network Fuzzing is used to send network packets to test network security. You could try one of those. Here's another utility you might want to try. Source: almost 3 years ago
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socat - socat is a relay for bidirectional data transfer between two independent data channels.
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netcat - Netcat is a featured networking utility which reads and writes data across network connections...
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
PortMapper - Do you need to map a specific TCP or UDP port on your machine to another port on another machine?