Traefik internal network. Docker example # Accepts request from defined IP .
Traefik internal network One of the critical challenges is ensuring that containers have Dec 24, 2024 · Hello dear participants! I need to restrict access to applications: some should only be accessible from the local network, while others should be accessible both locally and from the internet. Apr 13, 2024 · Securing Docker Deployments: Network Isolation and Traefik Routing Block unwanted outbound connections Docker has become synonymous with containerization, offering unparalleled flexibility and scalability for deploying applications. services. So I used this tutorials: Once I tested it, it perfectly works for services in side docker connected to the same docker network as traefik. Problem: when I define an internal network, traefik loses communication with my service. http. Below is a practical, production-grade approach using: Docker Compose Traefik I'm trying to setup a simple Nextcloud Stack with docker-compose and Traefik. To make sure the web-based GUI itself is not accessible from outside, I have put the container running the application and the Traefik container in a Docker network which is internal. server. Here is my docker-compose. Thus, service Alpha c… Apr 15, 2022 · Hi, I'd like to setup traefik as reverse proxy for my network. I’ve seen a lot of tutorials online but they all demonstrate setting up traefik and accessing internal services over the internet. The three URLs were accessible both internally (within the LAN) as externally (from the Internet) until I made use of IP Whitelist. traefik runs in a Docker as container, but I want to use it as well to forward request to external services outside of docker. Unfortunately for me, pretty much all the tutorials online expect you to be exposing traefik to the web and have all sorts of stuff about TLS and letsencrypt that don’t matter to me, and don’t really explain how to do the routing if you only want it to work on your internal network. Bind9 is Traefik_Proxy: 192. There Jan 25, 2024 · Hello, I have installed traefik, portainer and a media server in docker containers running in Debian 12 on a Raspberry Pi. In other words, I need to selectively allow access to applications from the internet. But now we want to also host some external (public internet) facing apps on the same swarm. I found out, also the default gateway from the traefik container changes to the bridge (macvlan) network, what would be exactly what i want. 17. 0/24 (Network Traefik sits on) Based on the docs, it seems this would work if I want to limit access to some subdomains to local IPs only: Jul 3, 2025 · I am trying to control internet access in my containers and that I am doing with internal: true set for my traefik network. But when calling an external service, I get a 502 -bad gateway My network is served through an OPNSense firewall, which is basically pfsense. port that is set in the label. So if you want the service to be exposed internally, you can give the CIDR range of your VPC which will include all possible internal IP addresses. Oct 6, 2024 · Therefore, I have placed Traefik in front of it. Jul 5, 2025 · In modern homelab and production environments, it’s often necessary to separate internal (private) and external (public) ingress traffic for security, compliance, and operational clarity. loadbalancer. However, I noticed that port detection fails to work with the introduction of the internal config. 7' services: nextcloud-database: image: mariadb container_name: Aug 8, 2023 · The secondary Traefik instance handles internal services, providing a comprehensive SSL certificate management system and efficient forwarding of requests within your internal network. Still the three should not be externally accessible by default. Aug 10, 2022 · I believe what you are looking for is IPWhiteList middleware which you can attach to your service, so it will intercept every request to that service and allow/deny based on the client IP address. 0/16 and one traefik_default with 172. 168. That host has two networks, one Docker default 172. We would Introduction Traefik is a modern, cloud-native reverse proxy and load balancer that makes developing and deploying multi-service applications easier. <name>. 18. With Docker, Traefik, and VLANs, you can achieve this cleanly—without exposing sensitive services to the wrong network. Apr 26, 2024 · Hi everyone, I'm new to Traefik and inherited a Docker host used a s reverse proxy setup for exposed HTTPS vs. Docker example # Accepts request from defined IP If it cannot find such a binding, Traefik falls back on the internal network IP of the container, but still uses the traefik. yml version: '3. Mar 11, 2024 · I've been experimenting with ways to try and get better isolation between stacks in my Docker Swarm Currently every service that needs Traefik to route traffic to it has to live on the same network. All I’d like to do is add SSL to Plex, portainer, TrueNAS and Oversearr, is Traefik the solution for this if so would someone be able to share a guide they followed to enable SSL certs for internal services and only accessing them internally? Also open to other Jan 9, 2021 · I looked into both nginx and traefik and settled on traefik. While the logs looked OK . New containers were added to the Docker default network by default and Traefik reverse proxy-stuff didn't work for those at all. Prerequisites Docker Desktop Node. Dec 28, 2020 · I want to use both internal and an external traefik network in my container. However, as Docker adoption continues to soar, so do concerns surrounding container security. Does anyone have a an example or a tutorial for how to configure traefik v2 to enable both scenarios? I see lots of guides for just internal or just external, but none for both and very little to handle local-network name routing. 90. 0. It is currently hosting a bunch of web applications that are just meant to be accessible from our internal network - not exposed to the public internet. I’m not sure how this should be implemented properly. 0/16. As Traefik is part of an external network, it allows me to access the application over https. Access to applications should be done via domain names. Traefik is managing the creation of certificates via Let's Encrypt. Examples of usebindportip in different situations. Everything works fine. Sep 26, 2023 · In an short test i started the traefik container with the internal network and used the docker command "docker network connect macvlan traefik" to connect the container to the bridge (macvlan) network. Nov 5, 2022 · Hello, We have a docker swarm running on multiple nodes, using Traefik for service discovery and SSL termination. js and yarn Using Traefik with Docker When using the Docker provider, Traefik gets its configuration from other running containers using labels. internal test web apps. wizmzcmubgnvglqswvueayzqdfnuxmsevnbjnpofarmtnmgerstyjieuavbhcwxeqrwpyqlqq