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56 lines
1.4 KiB
Markdown
56 lines
1.4 KiB
Markdown
---
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title: 'Traefik InFlightConn Middleware - TCP'
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description: "Limiting the number of simultaneous connections."
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---
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To proactively prevent Services from being overwhelmed with high load, the number of allowed simultaneous connections by IP can be limited with the `inFlightConn` TCP middleware.
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## Configuration Examples
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```yaml tab="Structured (YAML)"
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# Limiting to 10 simultaneous connections
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tcp:
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middlewares:
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test-inflightconn:
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inFlightConn:
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amount: 10
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```
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```toml tab="Structured (TOML)"
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# Limiting to 10 simultaneous connections
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[tcp.middlewares]
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[tcp.middlewares.test-inflightconn.inFlightConn]
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amount = 10
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```
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```yaml tab="Labels"
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labels:
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- "traefik.tcp.middlewares.test-inflightconn.inflightconn.amount=10"
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```
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```json tab="Tags"
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// Limiting to 10 simultaneous connections
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{
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//..
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"Tags" : [
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"traefik.tcp.middlewares.test-inflightconn.inflightconn.amount=10"
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]
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}
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```
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```yaml tab="Kubernetes"
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apiVersion: traefik.io/v1alpha1
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kind: MiddlewareTCP
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metadata:
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name: test-inflightconn
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spec:
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inFlightConn:
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amount: 10
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```
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## Configuration Options
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| Field | Description | Default | Required |
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|:------|:------------|------------------|-------|
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| `amount` | The `amount` option defines the maximum amount of allowed simultaneous connections. <br /> The middleware closes the connection if there are already `amount` connections opened. | "" | Yes |
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