|  | 16 |  | 
          
            |  | 17 | {{{ | 
          
            |  | 18 | # h2c connect https://<IP>:449;while true;do sleep 1;h2c ping;done | 
          
            |  | 19 | [2024-02-14 15:35:13] -> SETTINGS(0) | 
          
            |  | 20 | [2024-02-14 15:35:13] <- SETTINGS(0) | 
          
            |  | 21 | [2024-02-14 15:35:13] <- WINDOW_UPDATE(0) | 
          
            |  | 22 | [2024-02-14 15:35:13] -> SETTINGS(0) | 
          
            |  | 23 | [2024-02-14 15:35:13] <- SETTINGS(0) | 
          
            |  | 24 | [2024-02-14 15:35:14] -> PING(0) | 
          
            |  | 25 | [2024-02-14 15:35:14] <- PING(0) | 
          
            |  | 26 | [2024-02-14 15:35:15] -> PING(0) | 
          
            |  | 27 | [2024-02-14 15:35:15] <- PING(0) | 
          
            |  | 28 | [2024-02-14 15:35:16] -> PING(0) | 
          
            |  | 29 | [2024-02-14 15:35:16] <- PING(0) | 
          
            |  | 30 | [2024-02-14 15:35:17] -> PING(0) | 
          
            |  | 31 | [2024-02-14 15:35:17] <- PING(0) | 
          
            |  | 32 | [2024-02-14 15:35:18] -> PING(0) | 
          
            |  | 33 | [2024-02-14 15:35:18] <- PING(0) | 
          
            |  | 34 | [2024-02-14 15:35:19] -> PING(0) | 
          
            |  | 35 | [2024-02-14 15:35:19] <- PING(0) | 
          
            |  | 36 | [2024-02-14 15:35:20] -> PING(0) | 
          
            |  | 37 | [2024-02-14 15:35:20] <- PING(0) | 
          
            |  | 38 | [2024-02-14 15:35:21] -> PING(0) | 
          
            |  | 39 | [2024-02-14 15:35:21] <- PING(0) | 
          
            |  | 40 | [2024-02-14 15:35:22] -> PING(0) | 
          
            |  | 41 | [2024-02-14 15:35:22] <- PING(0) | 
          
            |  | 42 | [2024-02-14 15:35:23] -> PING(0) | 
          
            |  | 43 | [2024-02-14 15:35:23] <- PING(0) | 
          
            |  | 44 | [2024-02-14 15:35:24] -> PING(0) | 
          
            |  | 45 | [2024-02-14 15:35:24] <- PING(0) | 
          
            |  | 46 | [2024-02-14 15:35:25] -> PING(0) | 
          
            |  | 47 | [2024-02-14 15:35:25] <- PING(0) | 
          
            |  | 48 | [2024-02-14 15:35:26] -> PING(0) | 
          
            |  | 49 | [2024-02-14 15:35:26] <- PING(0) | 
          
            |  | 50 | [2024-02-14 15:35:27] -> PING(0) | 
          
            |  | 51 | [2024-02-14 15:35:27] <- PING(0) | 
          
            |  | 52 | [2024-02-14 15:35:28] -> PING(0) | 
          
            |  | 53 | [2024-02-14 15:35:28] <- PING(0) | 
          
            |  | 54 | [2024-02-14 15:35:29] -> PING(0) | 
          
            |  | 55 | [2024-02-14 15:35:29] <- PING(0) | 
          
            |  | 56 | [2024-02-14 15:35:30] -> PING(0) | 
          
            |  | 57 | [2024-02-14 15:35:30] <- PING(0) | 
          
            |  | 58 | [2024-02-14 15:35:31] -> PING(0) | 
          
            |  | 59 | [2024-02-14 15:35:31] <- PING(0) | 
          
            |  | 60 | [2024-02-14 15:35:32] -> PING(0) | 
          
            |  | 61 | [2024-02-14 15:35:32] <- PING(0) | 
          
            |  | 62 | [2024-02-14 15:35:33] -> PING(0) | 
          
            |  | 63 | [2024-02-14 15:35:33] <- PING(0) | 
          
            |  | 64 | [2024-02-14 15:35:34] -> PING(0) | 
          
            |  | 65 | [2024-02-14 15:35:34] <- PING(0) | 
          
            |  | 66 | Error while reading next frame: EOF | 
          
            |  | 67 | [2024-02-14 15:35:35] <- GOAWAY(0) << exactly 22s | 
          
            |  | 68 |  | 
          
            |  | 69 |  | 
          
            |  | 70 |  | 
          
            |  | 71 | The issue is observed in both nginx 1.24 & nginx 1.22 , | 
          
            |  | 72 |  | 
          
            |  | 73 |  | 
          
            |  | 74 |  | 
          
            |  | 75 |  | 
          
            |  | 76 |  | 
          
            |  | 77 | TEST 2 (with nginx 1.18) | 
          
            |  | 78 |  | 
          
            |  | 79 | $ /usr/sbin/nginx -v | 
          
            |  | 80 | nginx version: nginx/1.18.0 (1.18.0-1.el8) | 
          
            |  | 81 | grep client_header_timeout /etc/nginx/nginx.conf | 
          
            |  | 82 | client_header_timeout           60s; | 
          
            |  | 83 | h2c connect https://<IP>:8447;while true;do sleep 60;h2c ping;done /* sending ping every 60s */ | 
          
            |  | 84 | [2024-02-14 15:46:18] -> SETTINGS(0) | 
          
            |  | 85 | [2024-02-14 15:46:18] <- SETTINGS(0) | 
          
            |  | 86 | [2024-02-14 15:46:18] <- WINDOW_UPDATE(0) | 
          
            |  | 87 | [2024-02-14 15:46:18] -> SETTINGS(0) | 
          
            |  | 88 | [2024-02-14 15:46:18] <- SETTINGS(0) | 
          
            |  | 89 | [2024-02-14 15:47:18] -> PING(0) | 
          
            |  | 90 | [2024-02-14 15:47:18] <- PING(0) | 
          
            |  | 91 | [2024-02-14 15:48:18] -> PING(0) | 
          
            |  | 92 | [2024-02-14 15:48:18] <- PING(0) | 
          
            |  | 93 | [2024-02-14 15:49:18] -> PING(0) | 
          
            |  | 94 | [2024-02-14 15:49:18] <- PING(0) | 
          
            |  | 95 | [2024-02-14 15:50:19] -> PING(0) | 
          
            |  | 96 | [2024-02-14 15:50:19] <- PING(0) | 
          
            |  | 97 | [2024-02-14 15:51:19] -> PING(0) | 
          
            |  | 98 | [2024-02-14 15:51:19] <- PING(0) | 
          
            |  | 99 | [2024-02-14 15:52:19] -> PING(0) | 
          
            |  | 100 | [2024-02-14 15:52:19] <- PING(0) | 
          
            |  | 101 |  | 
          
            |  | 102 | In nginx-1.18 Atfer 60s ,the connction is not broke. | 
          
            |  | 103 | }}} | 
          
            |  | 104 |  | 
          
            |  | 105 |  |