[fatedier/frp]成功建立连接后每隔一段时间断开报 i/o deadline reached

frps位于香港阿里云公网环境，frpc位于境内电信内网环境。每次启动frps/c并成功建立连接10-30分钟后就以每5-10分钟一次的间隔断开连接并报告 i/o deadline reached错误，frps的dashboard显示连接离线。每次错误持续约两分钟后重新连接成功，10-30分钟后以此反复。 查阅Issues与CSDN的相同问题提出的解决方案，包括tls加密、改用TCP协议等方式，均无法解决该问题。 运行frpc的服务器存在两套frpc，一个指向位于香港的frps，即存在本问题的frp；另一个指向位于境内公网服务器的另一frps，从未出现过类似问题，两套frps均使用相同版本。

0.46.1

0.46.1

frps: linux/amd64，frpc: windows/amd64

frps: [common] bind_addr = [域名] bind_port = [端口] tls_only = true

token = [token]

authentication_timeout = 0

dashboard_port = [port] dashboard_user = [user] dashboard_pwd = [pwd]

tcp_keepalive = -1

log_file = ./frps.log

log_level = info

log_max_days = 7

frpc: [common] server_addr = [域名] server_port = [端口]

tls_enable = true

token = [token]

protocol = tcp

dial_server_keepalive = -1

[survival] type = tcp local_ip = [ip] local_port = [port] remote_port = [port]

在每次重启frps与frpc后，都能成功建立连接： 2023/03/16 01:48:43 [I] [service.go:298] [7671129ad72b2d73] login to server success, get run id [7671129ad72b2d73], server udp port [0] 2023/03/16 01:48:43 [I] [proxy_manager.go:142] [7671129ad72b2d73] proxy added: [survival] 2023/03/16 01:48:43 [I] [control.go:172] [7671129ad72b2d73] [survival] start proxy success 过一段时间后，便开始反复出现该问题： 2023/03/16 02:13:32 [I] [control.go:242] [7671129ad72b2d73] control writer is closing 2023/03/16 02:13:32 [I] [visitor_manager.go:60] [7671129ad72b2d73] gracefully shutdown visitor manager 2023/03/16 02:13:32 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:13:42 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 1s for another retry 2023/03/16 02:13:43 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:13:43 [I] [service.go:298] [7671129ad72b2d73] login to server success, get run id [7671129ad72b2d73], server udp port [0] 2023/03/16 02:13:43 [I] [proxy_manager.go:142] [7671129ad72b2d73] proxy added: [survival] 2023/03/16 02:13:43 [I] [control.go:172] [7671129ad72b2d73] [survival] start proxy success 2023/03/16 02:22:54 [I] [control.go:242] [7671129ad72b2d73] control writer is closing 2023/03/16 02:22:54 [I] [visitor_manager.go:60] [7671129ad72b2d73] gracefully shutdown visitor manager 2023/03/16 02:22:54 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:23:04 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 1s for another retry 2023/03/16 02:23:05 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:23:15 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 2s for another retry 2023/03/16 02:23:17 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:23:27 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 4s for another retry 2023/03/16 02:23:31 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:23:42 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 8s for another retry 2023/03/16 02:23:50 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:24:00 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 16s for another retry 2023/03/16 02:24:16 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:24:26 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 20s for another retry 2023/03/16 02:24:45 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:24:50 [I] [service.go:298] [7671129ad72b2d73] login to server success, get run id [7671129ad72b2d73], server udp port [0] 2023/03/16 02:24:50 [I] [proxy_manager.go:142] [7671129ad72b2d73] proxy added: [survival] 2023/03/16 02:24:50 [I] [control.go:172] [7671129ad72b2d73] [survival] start proxy success 2023/03/16 02:32:39 [I] [control.go:242] [7671129ad72b2d73] control writer is closing 2023/03/16 02:32:39 [I] [visitor_manager.go:60] [7671129ad72b2d73] gracefully shutdown visitor manager 2023/03/16 02:32:39 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:32:49 [I] [service.go:298] [7671129ad72b2d73] login to server success, get run id [7671129ad72b2d73], server udp port [0] 2023/03/16 02:32:49 [I] [proxy_manager.go:142] [7671129ad72b2d73] proxy added: [survival] 2023/03/16 02:33:08 [I] [control.go:242] [7671129ad72b2d73] control writer is closing 2023/03/16 02:33:08 [I] [visitor_manager.go:60] [7671129ad72b2d73] gracefully shutdown visitor manager 2023/03/16 02:33:09 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:33:19 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 1s for another retry 2023/03/16 02:33:20 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:33:30 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 2s for another retry 2023/03/16 02:33:32 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:33:42 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 4s for another retry 2023/03/16 02:33:46 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:33:49 [I] [service.go:298] [7671129ad72b2d73] login to server success, get run id [7671129ad72b2d73], server udp port [0] 2023/03/16 02:33:49 [I] [proxy_manager.go:142] [7671129ad72b2d73] proxy added: [survival] 2023/03/16 02:34:09 [I] [control.go:242] [7671129ad72b2d73] control writer is closing 2023/03/16 02:34:09 [I] [visitor_manager.go:60] [7671129ad72b2d73] gracefully shutdown visitor manager 2023/03/16 02:34:09 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:34:19 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 1s for another retry 2023/03/16 02:34:20 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:34:30 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 2s for another retry 2023/03/16 02:34:32 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:34:42 [I] [service.go:298] [7671129ad72b2d73] login to server success, get run id [7671129ad72b2d73], server udp port [0] 2023/03/16 02:34:42 [I] [proxy_manager.go:142] [7671129ad72b2d73] proxy added: [survival] 2023/03/16 02:34:42 [I] [control.go:172] [7671129ad72b2d73] [survival] start proxy success 2023/03/16 02:37:42 [I] [control.go:242] [7671129ad72b2d73] control writer is closing 2023/03/16 02:37:42 [I] [visitor_manager.go:60] [7671129ad72b2d73] gracefully shutdown visitor manager 2023/03/16 02:37:43 [I] [service.go:210] [7671129ad72b2d73] try to reconnect to server... 2023/03/16 02:37:53 [W] [service.go:213] [7671129ad72b2d73] reconnect to server error: i/o deadline reached, wait 1s for another retry