iptables -t mangle -A ISTIO_PRERT -p tcp -m tcp --dport 15008 -m mark ! --mark 0x539/0xfff -j TPROXY --on-port 15008 --tproxy-mark 0x111/0xfff
iptables -t mangle -A ISTIO_PRERT -p tcp -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
iptables -t mangle -A ISTIO_PRERT ! -d 127.0.0.1/32 -p tcp -m mark ! --mark 0x539/0xfff -j TPROXY --on-port 15006 --tproxy-mark 0x111/0xfff

LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    - If excluded, ignore the pod and return prevResult
1. Setup redirect rules for the pods:
    - Get the port list from pods definition, as well as annotations.
    - Setup iptables with required port list: `nsenter --net=<k8s pod netns> /opt/cni/bin/istio-iptables ...`. Following conditions will prevent the redirect rules to be setup in the pods:

# help works by looking over all Makefile includes matching `target: ## comment` regex and outputting them
help: ## Show this help
	@egrep -h '^[a-zA-Z_\.-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort  | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'

      risks associated with Your exercise of permissions under this License.

   8. Limitation of Liability. In no event and under no legal theory,
      whether in tort (including negligence), contract, or otherwise,
      unless required by applicable law (such as deliberate and grossly
      negligent acts) or agreed to in writing, shall any Contributor be

// IngressPortStatus represents the error condition of a service port
message IngressPortStatus {
  // port is the port number of the ingress port.
  optional int32 port = 1;

  // protocol is the protocol of the ingress port.
  // The supported values are: "TCP", "UDP", "SCTP"
  optional string protocol = 2;

  // error is to record the problem with the service port
  // The format of the error shall comply with the following rules:

  // protocol represents the IP protocol for this port.
  // Must be UDP, TCP, or SCTP.
  // Default is TCP.
  optional string protocol = 2;

  // port represents the port number of the endpoint.
  // If this is not specified, ports are not restricted and must be
  // interpreted in the context of the specific consumer.
  optional int32 port = 3;

  * It is critical that this path preserves the Service IP, if the traffic was to a Service.
* All traffic *ingressing* a pod on port 15008 in the mesh is assumed to be HBONE, and should be redirected to the node-local ztunnel on port 15008 (more on this later).

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

  // this service.
  // +optional
  optional string path = 3;

  // If specified, the port on the service that hosting webhook.
  // Default to 443 for backward compatibility.
  // `port` should be a valid port number (1-65535, inclusive).
  // +optional
  optional int32 port = 4;
}

// ValidatingWebhook describes an admission webhook and the resources and operations it applies to.