## Ports {#ports}

### Darwin {#darwin}

<!-- go.dev/issue/64207 -->
As [announced](go1.22#darwin) in the Go 1.22 release notes,
Go 1.23 requires macOS 11 Big Sur or later;
support for previous versions has been discontinued.

### Wasm {#wasm}

<!-- go.dev/issue/63718 -->
The `go_wasip1_wasm_exec` script in `GOROOT/misc/wasm` has dropped support

## Ports {#ports}...

* nat
-N ISTIO_INBOUND
-N ISTIO_REDIRECT
-N ISTIO_IN_REDIRECT
-N ISTIO_OUTPUT
-A ISTIO_INBOUND -p tcp --dport 15008 -j RETURN
-A ISTIO_REDIRECT -p tcp -j REDIRECT --to-ports 15001
-A ISTIO_IN_REDIRECT -p tcp -j REDIRECT --to-ports 15006
-A PREROUTING -p tcp -j ISTIO_INBOUND
-A ISTIO_INBOUND -p tcp --dport 22 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15020 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15021 -j RETURN

* nat
-N ISTIO_INBOUND
-N ISTIO_REDIRECT
-N ISTIO_IN_REDIRECT
-N ISTIO_OUTPUT
-A ISTIO_INBOUND -p tcp --dport 15008 -j RETURN
-A ISTIO_REDIRECT -p tcp -j REDIRECT --to-ports 15001
-A ISTIO_IN_REDIRECT -p tcp -j REDIRECT --to-ports 15006
-A PREROUTING -p tcp -j ISTIO_INBOUND
-A ISTIO_INBOUND -p tcp --dport 1111 -j ISTIO_IN_REDIRECT
-A ISTIO_INBOUND -p tcp --dport 2222 -j ISTIO_IN_REDIRECT
-A OUTPUT -p tcp -j ISTIO_OUTPUT

    autoscaleEnabled: false
    ports:
    ## You can add custom gateway ports in user values overrides, but it must include those ports since helm replaces.
    # Note that AWS ELB will by default perform health checks on the first port
    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021

}

func validatePortList(ports string) error {
	if _, err := parsePorts(ports); err != nil {
		return fmt.Errorf("portList %q invalid: %v", ports, err)
	}
	return nil
}

func validatePortListWithWildcard(ports string) error {
	if ports != "*" {
		return validatePortList(ports)
	}
	return nil
}

// validateCIDRListWithWildcard validates the includeIPRanges parameter

  // +listType=atomic
  repeated Endpoint endpoints = 2;

  // ports specifies the list of network ports exposed by each endpoint in
  // this slice. Each port must have a unique name. When ports is empty, it
  // indicates that there are no defined ports. When a port is defined with a
  // nil port value, it indicates "all ports". Each slice may include a
  // maximum of 100 ports.
  // +optional
  // +listType=atomic

    autoscaleEnabled: false
    ports:
    ## You can add custom gateway ports in user values overrides, but it must include those ports since helm replaces.
    # Note that AWS ELB will by default perform health checks on the first port
    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021

    autoscaleEnabled: false
    ports:
    ## You can add custom gateway ports in user values overrides, but it must include those ports since helm replaces.
    # Note that AWS ELB will by default perform health checks on the first port
    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021

    autoscaleEnabled: false
    ports:
    ## You can add custom gateway ports in user values overrides, but it must include those ports since helm replaces.
    # Note that AWS ELB will by default perform health checks on the first port
    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021