Tag Archives: User Agent

Yamaha R-N500 Network Receiver Packet Capture

Last but not least I was interested which “home-calling” connections my Yamaha R-N500 Network Receiver initiates. In my previous post I already analyzed the open ports within the network, while I showed a complete Apple AirPlay capture here. This time I was only interested in outgoing TCP/UDP connections to the Internet as well as how the Yamaha App “NP Controller” communicates with the receiver.

It turned out that it was not easy for me to fully analyze such a packet trace even though only a couple of connections were made. It consists of many protocols that I am not familiar with such as UPnP, MDNS, SSDP, and RTP. Anyway, ere we go:

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Small “What-is-my-IP” script at ip.webernetz.net

Several years ago I built a little script to show my IP address, just as many other sites implement it. The difference to my script is that it doesn’t display any kind of commercial or other annoying stuff. Just the IP address and a few other information. The script is accessible under http://ip.webernetz.net.

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