Timeout on Linux Clients

Traefik Traefik v3 (latest)
1

Hello,

i've set up traefik with docker and portainer on an ubuntu host and i'm facing a rather uncommon connectivity problem.

When i try to access traefik, portainer or other containers on the host using my laptop running Ubuntu or my android smartphone i get a connection timeout (ERR_TIMED_OUT).

When i switch to my macbook and try to access the same services with the same browser (Brave) it works flawless.

I tried to dig a little deeper to find out if the request are actually arriving at the server and everything comes in, regardless of wich client i use.

Then i tried to access the services using the command line on my linux laptop what apparently worked perfectly. Being surprised of the result i then tried it again with my browser and it worked there to. But it only works for a couple of minutes or until i restart the traefik container. It seems like the request using wget in the linux terminal created some kind of "punch-the-hole" effect.

I can't find any clues in the traefik logs, since the failed request are not shown here.

I hope anybody has expereienced and solved this.

traefik.toml

defaultEntryPoints = ["http", "https"]

[global]
  checkNewVersion = true
  sendAnonymousUsage = false

[log]
  level = "DEBUG"

[accessLog]

[entryPoints]
  [entryPoints.web]
    address = ":80"
    [entryPoints.web.http.redirections.entryPoint]
      to = "websecure"
      scheme = "https"

  [entryPoints.websecure]
    address = ":443"
    [entryPoints.websecure.http.tls]
      certResolver = "lets-encrypt"

[api]
  dashboard = true

[certificatesResolvers.lets-encrypt.acme]
  email = "my@domain.com"
  storage = "acme.json"
  [certificatesResolvers.lets-encrypt.acme.httpChallenge]
    entryPoint = "web"

[serversTransport]
  insecureSkipVerify = true

[providers.docker]
  watch = true
  network = "proxy"
  exposedByDefault = false

[providers.file]
  filename = "traefik_dynamic.toml"

traefik_dynamic.toml

[http.middlewares.simpleAuth.basicAuth]
  users = [
    "basicauthdadada"
  ]

[http.routers.api]
  rule = "Host(`my.domain.com`)"
  entrypoints = ["websecure"]
  middlewares = ["simpleAuth"]
  service = "api@internal"
  [http.routers.api.tls]
    certResolver = "lets-encrypt"

docker-compose.yml

services:
  traefik:
    image: traefik:v3
    container_name: traefik
    restart: unless-stopped
    ports:
      - target: 80
        published: 80
        protocol: tcp
        mode: host
      - target: 443
        published: 443
        protocol: tcp
        mode: host
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - ./traefik.toml:/traefik.toml
      - ./traefik_dynamic.toml:/traefik_dynamic.toml
      - ./acme.json:/acme.json
    networks:
      - proxy

networks:
  proxy:
    external: true