[GH-ISSUE #2331] 127.0.0.1本地测试connect refused #1851

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opened 2026-05-05 13:11:46 -06:00 by gitea-mirror · 3 comments

gitea-mirror commented

2026-05-05 13:11:46 -06:00

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Originally created by @ufoozhenghao on GitHub (Mar 25, 2021).
Original GitHub issue: https://github.com/fatedier/frp/issues/2331

[REQUIRED] hat version of frp are you using

Version:0.36.2

[REQUIRED] What operating system and processor architecture are you using
OS:ubuntu 16.04 server
CPU architecture:intel E3

[REQUIRED] description of errors
使用127.0.0.1本地ssh远程端口提示connect refused
confile

frps.ini
[common]
bind_port = 7000

frpc.ini
[common]
server_addr = 127.0.0.1
server_port = 7000

[ssh]
type = tcp
local_ip = 127.0.0.1
local_port = 22
remote_port = 6000

log file

Steps to reproduce the issue
下载frp_0.36.2_linux_amd64.tar.gz

在ubuntu上执行 ./frps -c ./frps.ini与./frpc -c ./frpc.ini后都提示proxy success
本地终端执行 ssh -oPort=6000 dell@127.0.0.1提示connect refused
ufw disable后错误仍然存在
启用ufw后ufw allow 6000无法连接
ufw status 显示 6000 anywhere
lsof -i:6000 无返回，端口没有被占用
nelnet 127.0.0.1 6000无响应

Supplementary information

Can you guess what caused this issue

Checklist:

[] I included all information required in the sections above
[] I made sure there are no duplicates of this report (Use Search)

Originally created by @ufoozhenghao on GitHub (Mar 25, 2021). Original GitHub issue: https://github.com/fatedier/frp/issues/2331     **[REQUIRED] hat version of frp are you using**  Version:0.36.2 **[REQUIRED] What operating system and processor architecture are you using** OS:ubuntu 16.04 server CPU architecture:intel E3 **[REQUIRED] description of errors** 使用127.0.0.1本地ssh远程端口提示connect refused **confile**  frps.ini [common] bind_port = 7000 frpc.ini [common] server_addr = 127.0.0.1 server_port = 7000 [ssh] type = tcp local_ip = 127.0.0.1 local_port = 22 remote_port = 6000 **log file**  **Steps to reproduce the issue** 下载frp_0.36.2_linux_amd64.tar.gz 1. 在ubuntu上执行 `./frps -c ./frps.ini`与`./frpc -c ./frpc.ini`后都提示proxy success 2. 本地终端执行 `ssh -oPort=6000 dell@127.0.0.1`提示connect refused 3. ufw disable后错误仍然存在 4. 启用ufw后`ufw allow 6000`无法连接 5. ufw status 显示 6000 anywhere 6. lsof -i:6000 无返回，端口没有被占用 6. nelnet 127.0.0.1 6000无响应 **Supplementary information** **Can you guess what caused this issue** **Checklist**:  - [] I included all information required in the sections above - [] I made sure there are no duplicates of this report [(Use Search)](https://github.com/fatedier/frp/issues?q=is%3Aissue)

gitea-mirror

2026-05-05 13:11:46 -06:00

closed this issue
added the
WaitingForInfo
label

gitea-mirror commented

2026-05-05 13:11:49 -06:00

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Owner

@blizard863 commented on GitHub (Mar 26, 2021):

换个机器，用同样的配置试一下？
ss -alpn|grep frp 一下？

@blizard863 commented on GitHub (Mar 26, 2021): 1. 换个机器，用同样的配置试一下？ 2. ss -alpn|grep frp 一下？

gitea-mirror commented

2026-05-05 13:11:50 -06:00

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Owner

@ufoozhenghao commented on GitHub (Mar 26, 2021):

换个机器，用同样的配置试一下？

ss -alpn|grep frp 一下？

感谢帮忙我在虚拟机中用同样的配置可以实现第二个步骤我明天去公司看看

127.0.0.1不通是啥问题啊？服务器是Dell PowerEdge R230 安装的是ubuntu 16.04 server

@ufoozhenghao commented on GitHub (Mar 26, 2021): > 1. 换个机器，用同样的配置试一下？ > 2. ss -alpn|grep frp 一下？感谢帮忙我在虚拟机中用同样的配置可以实现第二个步骤我明天去公司看看 127.0.0.1不通是啥问题啊？服务器是Dell PowerEdge R230 安装的是ubuntu 16.04 server

gitea-mirror commented

2026-05-05 13:11:52 -06:00

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Owner

@blizard863 commented on GitHub (Mar 27, 2021):

换个机器，用同样的配置试一下？

ss -alpn|grep frp 一下？

感谢帮忙我在虚拟机中用同样的配置可以实现第二个步骤我明天去公司看看

127.0.0.1不通是啥问题啊？服务器是Dell PowerEdge R230 安装的是ubuntu 16.04 server

问题原因可能是多方面的，当前无法判断，建议 tcpdump 抓个包看看。

@blizard863 commented on GitHub (Mar 27, 2021): > > 1. 换个机器，用同样的配置试一下？ > > 2. ss -alpn|grep frp 一下？ > > 感谢帮忙我在虚拟机中用同样的配置可以实现第二个步骤我明天去公司看看 > > 127.0.0.1不通是啥问题啊？服务器是Dell PowerEdge R230 安装的是ubuntu 16.04 server 问题原因可能是多方面的，当前无法判断，建议 tcpdump 抓个包看看。

gitea-mirror referenced this issue

2026-05-05 14:42:43 -06:00

[PR #1851] [CLOSED] fix grammar issue (#1850) #4469