connect to local service[127.0.0.1:22] error: dial tcp 127.0.0.1:22 i/o timeout

[jiangzhaowei]

Bug Description

frps start , frpc start, they establish connection success. then a connection to connect the frps fixed port，frps can receive the connection，and print the connection information on backend，but the frpc print connect to local service [127.0.0.1:22] error: dial tcp 127.0.0.1:22: i/o timeout

frpc Version

0.61.1

frps Version

0.61.1

System Architecture

linux/amd64,linux arm64

Configurations

frps

bindPort = 7000
auth.token = "Frp20250224"

frpc

serverAddr = "57.201.23.107"
serverPort =7000
auth.token = "Frp20250224"

[[proxies]]
name = "test-tcp"
type = "tcp"
localIP = "127.0.0.1"
localPort = 22
remotePort = 4567

Logs

No response

Steps to reproduce

1. start frps and frpc
   1.1start frps
   

1.2 start frpc

2. they establish connection
   

3 connect the server 4567 port

4 frps receive the tcp

5 frpc report i/o timeout （ps: frps and frpc device time not same）

6. use command on frpc device (ss -ltunp | grep 22) indicate the port 22 is opened
   

7. so, i guess the frpc device because of not install the ssh，cause the i/o error ? the frpc device use the dropbear tool replace the ssh

Affected area

• Docs
• Installation
• Performance and Scalability
• Security
• User Experience
• Test and Release
• Developer Infrastructure
• Client Plugin
• Server Plugin
• Extensions
• Others

[jiangzhaowei]

frpc device not install ssh tool ,use dropbear replace。I use the MobaXterm_Personal_23.0 tool can connect the frpc device on port 22