[GH-ISSUE #2981] ssh with frpc could not handle text with special char "°"

gitea-mirror commented

2026-05-05 13:31:49 -06:00

Owner

Originally created by @blacksheepaul on GitHub (Jun 15, 2022).
Original GitHub issue: https://github.com/fatedier/frp/issues/2981

Bug Description

I have tried 2 frpc server(ssh with frpc) and 2 normal server, all of frpc server goes wrong and none of normal server goes wrong.

See the video below to know what happend, the only thing I do is moving cursor and write a double quote (").

the code

<?php
printf("c0: [%d.%d °C]\n" . $t0/1000, $t0%1000/100);
$a = '[°]';
$b = '(°)';
$c = '{°}';
$d = 'abc°°°°°°°°°°°°°°°°def';
echo $a . $b . $c . $d . PHP_EOL;

frpc Version

0.42.0

frps Version

0.42.0

System Architecture

frpc: Linux n 5.4.0-117-generic #132-Ubuntu SMP Thu Jun 2 00:39:06 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
frps: Linux VM-20-10-ubuntu 5.4.0-77-generic #86-Ubuntu SMP Thu Jun 17 02:35:03 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Configurations

frpc:

[common]
server_addr = xxxxxxxx
server_port = xxxxxxxx
token = xxxxxxxxxxxxxx

[ssh]
type = tcp
local_ip = 127.0.0.1
local_port = 22
remote_port = xxxxxxx
use_encryption = true
use_compression = true
[web]
type = http
local_port = xxxxxxxxx
custom_domains = xxxxx

frps:

[common]
bind_port = xxxxx
token = xxxxxxxxx
vhost_http_port = xxxx

Logs

No response

Steps to reproduce

See video

Affected area

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

Originally created by @blacksheepaul on GitHub (Jun 15, 2022). Original GitHub issue: https://github.com/fatedier/frp/issues/2981 ### Bug Description I have tried 2 frpc server(ssh with frpc) and 2 normal server, all of frpc server goes wrong and none of normal server goes wrong. See the video below to know what happend, the only thing I do is `moving cursor` and `write a double quote (")`. ![issue](https://user-images.githubusercontent.com/26378591/173792727-5073a920-e38a-4ccb-91de-b190e63a8e20.gif) the code ```php <?php printf("c0: [%d.%d °C]\n" . $t0/1000, $t0%1000/100); $a = '[°]'; $b = '(°)'; $c = '{°}'; $d = 'abc°°°°°°°°°°°°°°°°def'; echo $a . $b . $c . $d . PHP_EOL; ``` ### frpc Version 0.42.0 ### frps Version 0.42.0 ### System Architecture frpc: Linux n 5.4.0-117-generic #132-Ubuntu SMP Thu Jun 2 00:39:06 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux frps: Linux VM-20-10-ubuntu 5.4.0-77-generic #86-Ubuntu SMP Thu Jun 17 02:35:03 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux ### Configurations frpc: ``` [common] server_addr = xxxxxxxx server_port = xxxxxxxx token = xxxxxxxxxxxxxx [ssh] type = tcp local_ip = 127.0.0.1 local_port = 22 remote_port = xxxxxxx use_encryption = true use_compression = true [web] type = http local_port = xxxxxxxxx custom_domains = xxxxx ``` frps: ``` [common] bind_port = xxxxx token = xxxxxxxxx vhost_http_port = xxxx ``` ### Logs _No response_ ### Steps to reproduce See video ### Affected area - [ ] Docs - [ ] Installation - [ ] Performance and Scalability - [ ] Security - [x] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [ ] Client Plugin - [ ] Server Plugin - [ ] Extensions - [ ] Others