[erlang-questions] Cowboy header parsing termination?

Roberto Ostinelli <>
Mon Feb 22 11:21:51 CET 2016


Dear list,
I keep on seeing the following in the logs:

Ranch listener nucleo_listener terminated with reason: no case clause
matching 123 in cowboy_protocol:parse_hd_name_ws/8 line 276

(code is here:
https://github.com/ninenines/cowboy/blob/1.0.4/src/cowboy_protocol.erl#L276)

Anyone using cowboy sees the same thing? I'm wondering if this is some kind
of targeted attack on cowboy parsing.

Thanks,
r.
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