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2configs.nixcon-quiz: drop per-IP limits, the venue shares one address
author
lassulus
date
(Sep 26, 2026, 9:44 AM CEST)
commit
8476fd64
8476fd64554f0fc08648d930aba09d97ca51d5e9
parent
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3838972d4c7ff32354f70a36cd6fbe0492021cd1
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2configs/nixcon-quiz.nix
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2configs/nixcon-quiz.nix
···
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questionSeconds = 30;
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};
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# One address may hold a few tabs (players and a spectator screen) and
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# reload at a human pace; each tab keeps one event stream open.
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services.nginx.appendHttpConfig = ''
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limit_conn_zone $binary_remote_addr zone=nixcon_quiz_conns:10m;
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limit_req_zone $binary_remote_addr zone=nixcon_quiz_joins:10m rate=5r/s;
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'';
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services.nginx.virtualHosts.${domain}.locations."/api/events".extraConfig = ''
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limit_conn nixcon_quiz_conns 16;
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limit_req zone=nixcon_quiz_joins burst=30 nodelay;
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limit_conn_status 429;
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limit_req_status 429;
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'';
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# No per-address limits on the event streams: the venue Wi-Fi puts every
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# phone at NixCon behind one public address, so a per-IP cap cuts off
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# everyone past the first few players. The quiz caps players itself.
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# The quiz's first home; old links and QR codes land on the new name.
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services.nginx.virtualHosts."quiz.lassul.us" = {