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Originally created by @googlehim on GitHub (Mar 1, 2023).
Original GitHub issue: https://github.com/fatedier/frp/issues/3339

Bug Description

systemctl status frps.service
http: Accept error: accept tcp [::]:7500: accept4: too many open files; retrying in 1s

lsof -p 431
.....
frps 431 noboty 1023u sock 0,8 0t0 47837121 protocol: TCPv6

frpc Version

0.42.0

frps Version

0.31.1

System Architecture

linux/amd64

Configurations

[common] is integral section

[common]

A literal address or host name for IPv6 must be enclosed

in square brackets, as in "[::1]:80", "[ipv6-host]:http" or "[ipv6-host%zone]:80"

bind_addr = 0.0.0.0
bind_port = 7000

udp port to help make udp hole to penetrate nat

bind_udp_port = 7001

udp port used for kcp protocol, it can be same with 'bind_port'

if not set, kcp is disabled in frps

kcp_bind_port = 7000

specify which address proxy will listen for, default value is same with bind_addr

proxy_bind_addr = 127.0.0.1

if you want to support virtual host, you must set the http port for listening (optional)

Note: http port and https port can be same with bind_port

vhost_http_port = 7000
vhost_https_port = 7000

response header timeout(seconds) for vhost http server, default is 60s

vhost_http_timeout = 60

set dashboard_addr and dashboard_port to view dashboard of frps

dashboard_addr's default value is same with bind_addr

dashboard is available only if dashboard_port is set

dashboard_addr = 0.0.0.0
dashboard_port = 7500

Logs

No response

Steps to reproduce

...

Affected area

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

Originally created by @googlehim on GitHub (Mar 1, 2023). Original GitHub issue: https://github.com/fatedier/frp/issues/3339 ### Bug Description systemctl status frps.service http: Accept error: accept tcp [::]:7500: accept4: too many open files; retrying in 1s lsof -p 431 ..... frps 431 noboty 1023u sock 0,8 0t0 47837121 protocol: TCPv6 ### frpc Version 0.42.0 ### frps Version 0.31.1 ### System Architecture linux/amd64 ### Configurations # [common] is integral section [common] # A literal address or host name for IPv6 must be enclosed # in square brackets, as in "[::1]:80", "[ipv6-host]:http" or "[ipv6-host%zone]:80" bind_addr = 0.0.0.0 bind_port = 7000 # udp port to help make udp hole to penetrate nat bind_udp_port = 7001 # udp port used for kcp protocol, it can be same with 'bind_port' # if not set, kcp is disabled in frps kcp_bind_port = 7000 # specify which address proxy will listen for, default value is same with bind_addr # proxy_bind_addr = 127.0.0.1 # if you want to support virtual host, you must set the http port for listening (optional) # Note: http port and https port can be same with bind_port vhost_http_port = 7000 vhost_https_port = 7000 # response header timeout(seconds) for vhost http server, default is 60s # vhost_http_timeout = 60 # set dashboard_addr and dashboard_port to view dashboard of frps # dashboard_addr's default value is same with bind_addr # dashboard is available only if dashboard_port is set dashboard_addr = 0.0.0.0 dashboard_port = 7500 ### Logs _No response_ ### Steps to reproduce 1. 2. 3. ... ### Affected area - [ ] Docs - [ ] Installation - [X] Performance and Scalability - [ ] Security - [ ] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [ ] Client Plugin - [ ] Server Plugin - [ ] Extensions - [ ] Others

gitea-mirror closed this issue

2026-05-05 13:43:25 -06:00

gitea-mirror commented

2026-05-05 13:43:27 -06:00

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@xqzr commented on GitHub (Mar 2, 2023):

2cfba84e47

@xqzr commented on GitHub (Mar 2, 2023): https://github.com/fatedier/frp/commit/2cfba84e472c1de3e556049081fb24b5ffcc45a4

gitea-mirror commented

2026-05-05 13:43:27 -06:00

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@googlehim commented on GitHub (Mar 2, 2023):

2cfba84

this is a solution, i wand why and how to reduce it.

@googlehim commented on GitHub (Mar 2, 2023): > [2cfba84](https://github.com/fatedier/frp/commit/2cfba84e472c1de3e556049081fb24b5ffcc45a4) this is a solution, i wand why and how to reduce it.

gitea-mirror referenced this issue

2026-05-05 14:45:17 -06:00

[PR #2672] [MERGED] remove authentication for healthz api #4608

gitea-mirror referenced this issue

2026-05-05 14:45:33 -06:00

[PR #2782] [MERGED] bump version #4622

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