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Traefik InFlightConn Middleware - TCP

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.

Configuration Examples

# 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
labels:
  - "traefik.tcp.middlewares.test-inflightconn.inflightconn.amount=10"
// Limiting to 10 simultaneous connections
{
  //..
  "Tags" : [
    "traefik.tcp.middlewares.test-inflightconn.inflightconn.amount=10"
  ]
}
apiVersion: traefik.io/v1alpha1
kind: MiddlewareTCP
metadata:
  name: test-inflightconn
spec:
  inFlightConn:
    amount: 10

Configuration Options

Field Description Default Required
amount The amount option defines the maximum amount of allowed simultaneous connections.
The middleware closes the connection if there are already amount connections opened.
0 Yes