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I am using Relay to connect to nginx server which supports http3 connections for which I get quic_stream_send_create [C1.1.1.1:5] [24e7c30b6b4eb7ba-0000000000001002e2c0e6cb5099cd86ef1f0f7c] unable to create DATAGRAM flow since the peer did not provide max_datagram_frame_size in transport parameters [C1.1.1.1:3] Unable to send 1200 early bytes quic_stream_send_create [C1.1.1.1:5] [24e7c30b6b4eb7ba-0000000000001002e2c0e6cb5099cd86ef1f0f7c] unable to create DATAGRAM flow since the peer did not provide max_datagram_frame_size in transport parameters This is something very simple I have written : ` let relayURL = URL(string: "https://192.168.64.2:8443")! let relayEndpoint = NWEndpoint.url(relayURL) if #available(iOS 17.0, *) { var tlsOptions = NWProtocolTLS.Options() let relayServer = ProxyConfiguration.RelayHop(http3RelayEndpoint: relayEndpoint, tlsOptions: NWProtocolTLS.Options = .init()) let relayConfig = ProxyConfiguration(relayHops: [relayServer]) let config = URLSessionConfiguration.default` config.connectionProxyDictionary = [kCFNetworkProxiesHTTPEnable as AnyHashable: true, kCFNetworkProxiesHTTPProxy as AnyHashable: "192.168.64.2", kCFNetworkProxiesHTTPPort as AnyHashable: 8443, kCFStreamPropertySSLSettings as AnyHashable: sslSettings] config.proxyConfigurations = [relayConfig] // Call addCert to add the certificate to the trust store //addCert(cert: "cert") // Example usage of the custom session let session = makeInsecureURLSession(config: config) let url = URL(string: "https://google.com")! // Example URL let task = session.dataTask(with: url) { data, response, error in // Handle response print("response is \(response)") if let httpResponse = response as? HTTPURLResponse { let protocolUsed = httpResponse.url?.scheme ?? "Unknown" print("Protocol used: \(protocolUsed)") } else { print("Response is not an HTTPURLResponse") } } task.resume()

What is exactly the relay endpoint in relay server let relayEndpoint = NWEndpoint.url(URL(string: "https://relay.example.com")!) Is it the server that is already serving the requests ?