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| title | date | draft | summary | author | series | tags | |
|---|---|---|---|---|---|---|---|
| Running ROS2 with localhost only. | 2024-05-22T21:36:00+03:00 | false | Ever had ROS2 DoS your router accidentally? Want to learn how to stop that from happening? Well, here you are. | Rusted Skull |
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Recently I had the requirement to run ROS2 with a specific automotive stack on a PC that's connected to my home network. Following the 3rd reinstall due to my evolving need to use a GPU, everything was roughly up and running. I started the stack, and to my surprise, everything worked.
That is, until I stopped paying attention, forgot what my PC was doing, and noticed that my phone was having trouble staying on WiFi. The router was seemingly losing its uplink connection, and the ISP saw a similar effect on their end. Following some cable replacements and router reboots, I was headed towards a full router reset per the advice of the ISP tech. I didn't get quite that far, however: everything started working after I unplugged my computer from the router. I revive the computer, and see the ROS2 stack still running there. Welp, couplrit found. Now, what do we do about it?