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Deutsche Bahn blocks Linux users (heise.de)
44 points by cuechan 29 days ago
1 comments

Someone vibe coded an attempt at improving security, and their LLM recommended limiting the User Agent string to some number of the top 10 agents. Voila - no Linux.
To be fair there are about 2 Linux in the top 10 :)
My guess is that they tried to block bot activity and some bots had Linux as UA.