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traefik/docs/content/middlewares/tcp/inflightconn.md
Tom Moulard 93de7cf0c0
feat: add in flight connection middleware
2021-11-29 17:12:06 +01:00

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InFlightConn

Limiting the Number of Simultaneous connections. {: .subtitle }

To proactively prevent services from being overwhelmed with high load, the number of allowed simultaneous connections by IP can be limited.

Configuration Examples

labels:
  - "traefik.tcp.middlewares.test-inflightconn.inflightconn.amount=10"

apiVersion: traefik.containo.us/v1alpha1
kind: Middleware
metadata:
  name: test-inflightconn
spec:
  inFlightConn:
    amount: 10

# Limiting to 10 simultaneous connections
- "traefik.tcp.middlewares.test-inflightconn.inflightconn.amount=10"

"labels": {
  "traefik.tcp.middlewares.test-inflightconn.inflightconn.amount": "10"
}

# Limiting to 10 simultaneous connections.
labels:
  - "traefik.tcp.middlewares.test-inflightconn.inflightconn.amount=10"

# Limiting to 10 simultaneous connections.
tcp:
  middlewares:
    test-inflightconn:
      inFlightConn:
        amount: 10

# Limiting to 10 simultaneous connections
[tcp.middlewares]
  [tcp.middlewares.test-inflightconn.inFlightConn]
    amount = 10

Configuration Options

amount

The amount option defines the maximum amount of allowed simultaneous connections. The middleware closes the connection if there are already amount connections opened.