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

-A PREROUTING -p tcp -m mark --mark 1337 -j CONNMARK --save-mark
-A OUTPUT -p tcp -o lo -m mark --mark 1337 -j RETURN
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --uid-owner 1337 -j MARK --set-mark 1338
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --gid-owner 1337 -j MARK --set-mark 1338
-A OUTPUT -p tcp -m connmark --mark 1337 -j CONNMARK --restore-mark
-I ISTIO_INBOUND 1 -p tcp -m mark --mark 1337 -j RETURN

-A PREROUTING -p tcp -m mark --mark 1337 -j CONNMARK --save-mark
-A OUTPUT -p tcp -o lo -m mark --mark 1337 -j RETURN
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --uid-owner 1000670000 -j MARK --set-mark 1338
-A OUTPUT ! -d 127.0.0.1/32 -p tcp -o lo -m owner --gid-owner 1000670001 -j MARK --set-mark 1338
-A OUTPUT -p tcp -m connmark --mark 1337 -j CONNMARK --restore-mark
-I ISTIO_INBOUND 1 -p tcp -m mark --mark 1337 -j RETURN

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
iptables -t mangle -A ISTIO_OUTPUT -m connmark --mark 0x111/0xfff -j CONNMARK --restore-mark --nfmask 0xffffffff --ctmask 0xffffffff
iptables -t nat -A ISTIO_OUTPUT ! -o lo -p udp -m udp --dport 53 -j REDIRECT --to-port 15053
iptables -t nat -A ISTIO_OUTPUT -p tcp -m mark --mark 0x111/0xfff -j ACCEPT

		// A very similar mechanism is used for sidecar TPROXY.
		//
		// TODO largely identical/copied from tools/istio-iptables/pkg/capture/run_linux.go
		inpodMarkRule := netlink.NewRule()
		inpodMarkRule.Family = family
		inpodMarkRule.Table = RouteTableInbound
		inpodMarkRule.Mark = InpodTProxyMark
		inpodMarkRule.Mask = InpodTProxyMask
		inpodMarkRule.Priority = 32764

	// CLI: -A ISTIO_PRERT -m mark --mark 0x539/0xfff -j CONNMARK --set-xmark 0x111/0xfff
	//
	// DESC: If we have a packet mark, set a connmark.
	iptablesBuilder.AppendRule(iptableslog.UndefinedCommand, ChainInpodPrerouting, iptablesconstants.MANGLE, "-m", "mark",
		"--mark", inpodMark,
		"-j", "CONNMARK",
		"--set-xmark", inpodTproxyMark)

// See the License for the specific language governing permissions and
// limitations under the License.

package constants

const (
	// In the below, we add the fwmask to ensure only that mark can match

	DNSCapturePort              = 15053
	ZtunnelInboundPort          = 15008
	ZtunnelOutboundPort         = 15001
	ZtunnelInboundPlaintextPort = 15006
	ProbeIPSet                  = "istio-inpod-probes"

  // +optional
  optional int64 terminationGracePeriodSeconds = 4;

  // Optional duration in seconds the carp may be active on the node relative to
  // StartTime before the system will actively try to mark it failed and kill associated containers.
  // Value must be a positive integer.
  // +optional
  optional int64 activeDeadlineSeconds = 5;

                format: int32
                maximum: 254
                minimum: 1
                type: integer
              passiveMode:
                description: 'Mark session as passive: a passive session will not
                  attempt to start the connection and will wait for control packets
                  from peer before it begins replying.'
                type: boolean

      with Licensor regarding such Contributions.

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      except as required for reasonable and customary use in describing the
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