traefik/docs/content/middlewares/tcp/overview.md

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2021-06-11 13:30:05 +00:00
# TCP Middlewares
Controlling connections
{: .subtitle }
![Overview](../../assets/img/middleware/overview.png)
## Configuration Example
```yaml tab="Docker"
# As a Docker Label
whoami:
# A container that exposes an API to show its IP address
image: traefik/whoami
labels:
# Create a middleware named `foo-ip-whitelist`
- "traefik.tcp.middlewares.foo-ip-whitelist.ipwhitelist.sourcerange=127.0.0.1/32, 192.168.1.7"
# Apply the middleware named `foo-ip-whitelist` to the router named `router1`
- "traefik.tcp.routers.router1.middlewares=foo-ip-whitelist@docker"
```
```yaml tab="Kubernetes IngressRoute"
# As a Kubernetes Traefik IngressRoute
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
name: middlewaretcps.traefik.containo.us
spec:
group: traefik.containo.us
version: v1alpha1
names:
kind: MiddlewareTCP
plural: middlewaretcps
singular: middlewaretcp
scope: Namespaced
---
apiVersion: traefik.containo.us/v1alpha1
kind: Middleware
metadata:
name: foo-ip-whitelist
spec:
ipWhiteList:
sourcerange:
- 127.0.0.1/32
- 192.168.1.7
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
name: ingressroute
spec:
# more fields...
routes:
# more fields...
middlewares:
- name: foo-ip-whitelist
```
```yaml tab="Consul Catalog"
# Create a middleware named `foo-ip-whitelist`
- "traefik.tcp.middlewares.foo-ip-whitelist.ipwhitelist.sourcerange=127.0.0.1/32, 192.168.1.7"
# Apply the middleware named `foo-ip-whitelist` to the router named `router1`
- "traefik.tcp.routers.router1.middlewares=foo-ip-whitelist@consulcatalog"
```
```json tab="Marathon"
"labels": {
"traefik.tcp.middlewares.foo-ip-whitelist.ipwhitelist.sourcerange=127.0.0.1/32, 192.168.1.7",
"traefik.tcp.routers.router1.middlewares=foo-ip-whitelist@marathon"
}
```
```yaml tab="Rancher"
# As a Rancher Label
labels:
# Create a middleware named `foo-ip-whitelist`
- "traefik.tcp.middlewares.foo-ip-whitelist.ipwhitelist.sourcerange=127.0.0.1/32, 192.168.1.7"
# Apply the middleware named `foo-ip-whitelist` to the router named `router1`
- "traefik.tcp.routers.router1.middlewares=foo-ip-whitelist@rancher"
```
```toml tab="File (TOML)"
# As TOML Configuration File
[tcp.routers]
[tcp.routers.router1]
service = "myService"
middlewares = ["foo-ip-whitelist"]
rule = "Host(`example.com`)"
[tcp.middlewares]
[tcp.middlewares.foo-ip-whitelist.ipWhiteList]
sourceRange = ["127.0.0.1/32", "192.168.1.7"]
[tcp.services]
[tcp.services.service1]
[tcp.services.service1.loadBalancer]
[[tcp.services.service1.loadBalancer.servers]]
address = "10.0.0.10:4000"
[[tcp.services.service1.loadBalancer.servers]]
address = "10.0.0.11:4000"
```
```yaml tab="File (YAML)"
# As YAML Configuration File
tcp:
routers:
router1:
service: myService
middlewares:
- "foo-ip-whitelist"
rule: "Host(`example.com`)"
middlewares:
foo-ip-whitelist:
ipWhiteList:
sourceRange:
- "127.0.0.1/32"
- "192.168.1.7"
services:
service1:
loadBalancer:
servers:
- address: "10.0.0.10:4000"
- address: "10.0.0.11:4000"
```
## Available TCP Middlewares
| Middleware | Purpose | Area |
|-------------------------------------------|---------------------------------------------------|-----------------------------|
| [IPWhiteList](ipwhitelist.md) | Limit the allowed client IPs | Security, Request lifecycle |