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QUIC connections are pushed manually into a dedicated listener queue when they are ready to be accepted. This happens after handshake finalization or on 0-RTT packet reception. Listener is then woken up to dequeue them with listener_accept(). This patch comptabilizes the number of connections currently stored in the accept queue. If reaching a certain limit, INITIAL packets are dropped on reception to prevent further QUIC connections allocation. This should help to preserve system resources. This limit is automatically derived from the listener backlog. Half of its value is reserved for handshakes and the other half for accept queues. By default, backlog is equal to maxconn which guarantee that there can't be no more than maxconn connections in handshake or waiting to be accepted. |
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| .. | ||
| design-thoughts | ||
| internals | ||
| lua-api | ||
| 51Degrees-device-detection.txt | ||
| acl.fig | ||
| architecture.txt | ||
| coding-style.txt | ||
| configuration.txt | ||
| cookie-options.txt | ||
| DeviceAtlas-device-detection.txt | ||
| gpl.txt | ||
| haproxy.1 | ||
| intro.txt | ||
| lgpl.txt | ||
| linux-syn-cookies.txt | ||
| lua.txt | ||
| management.txt | ||
| netscaler-client-ip-insertion-protocol.txt | ||
| network-namespaces.txt | ||
| peers-v2.0.txt | ||
| peers.txt | ||
| proxy-protocol.txt | ||
| queuing.fig | ||
| regression-testing.txt | ||
| seamless_reload.txt | ||
| SOCKS4.protocol.txt | ||
| SPOE.txt | ||
| WURFL-device-detection.txt | ||