// now, and record the time that they become stale in staleChains so they can be
	// deleted later.
	existingChains, err := proxier.nftables.List(context.TODO(), "chains")
	if err == nil {
		for _, chain := range existingChains {
			if isServiceChainName(chain) {
				if !activeChains.Has(chain) {
					tx.Flush(&knftables.Chain{
						Name: chain,
					})

		}
		if !fullWildcardFound {
			chain.sniHosts = append([]string{}, chain.sniHosts...)
			sort.Stable(sort.StringSlice(chain.sniHosts))
			match.ServerNames = chain.sniHosts
		}
	}
	if len(chain.destinationCIDRs) > 0 {
		chain.destinationCIDRs = append([]string{}, chain.destinationCIDRs...)
		sort.Stable(sort.StringSlice(chain.destinationCIDRs))
		for _, d := range chain.destinationCIDRs {

)

const (
	// the services chain
	kubeServicesChain utiliptables.Chain = "KUBE-SERVICES"

	// the external services chain
	kubeExternalServicesChain utiliptables.Chain = "KUBE-EXTERNAL-SERVICES"

	// the nodeports chain
	kubeNodePortsChain utiliptables.Chain = "KUBE-NODEPORTS"

	// the kubernetes postrouting chain
	kubePostroutingChain utiliptables.Chain = "KUBE-POSTROUTING"

.build.gradle
----
include::{snippetsPath}/native-binaries/tool-chains/groovy/build.gradle[tag=buildable]
----


[[native_binaries:tool_chain]]
== Tool chains

				}
				var chains []string
				for _, fc := range listeners[0].FilterChains {
					for _, cidr := range fc.FilterChainMatch.PrefixRanges {
						chains = append(chains, cidr.AddressPrefix)
					}
				}
				// There should not be multiple filter chains with same CIDR match
				if !reflect.DeepEqual(chains, tt.expectedChains) {
					t.Fatalf("expected filter chains %v, found %v", tt.expectedChains, chains)

	kubePostroutingChain utiliptables.Chain = "KUBE-POSTROUTING"

	// kubeMarkMasqChain is the mark-for-masquerade chain
	kubeMarkMasqChain utiliptables.Chain = "KUBE-MARK-MASQ"

	// kubeNodePortChain is the kubernetes node port chain
	kubeNodePortChain utiliptables.Chain = "KUBE-NODE-PORT"

	// kubeForwardChain is the kubernetes forward chain
	kubeForwardChain utiliptables.Chain = "KUBE-FORWARD"

			},
			Disabled: simulation.Result{
				// Should go through the TCP chains
				ListenerMatched:    "virtualInbound",
				FilterChainMatched: "0.0.0.0_81",
				ClusterMatched:     "inbound|81||",
				StrictMatch:        true,
			},
			Permissive: simulation.Result{
				// Should go through the TCP chains
				ListenerMatched:    "virtualInbound",
				FilterChainMatched: "0.0.0.0_81",

              // this has 2 benefits
              // 1. for long chains of futures strung together with setFuture we consume less stack
              // 2. we avoid allocating Cancellation objects at every level of the cancellation
              //    chain
              // We can only do this for TrustedFuture, because TrustedFuture.cancel is final and

              // this has 2 benefits
              // 1. for long chains of futures strung together with setFuture we consume less stack
              // 2. we avoid allocating Cancellation objects at every level of the cancellation
              //    chain
              // We can only do this for TrustedFuture, because TrustedFuture.cancel is final and

		x509Cert := c.Leaf
		// Parse the certificate if this isn't the leaf node, or if
		// chain.Leaf was nil.
		if j != 0 || x509Cert == nil {
			var err error
			if x509Cert, err = x509.ParseCertificate(cert); err != nil {
				return fmt.Errorf("failed to parse certificate #%d in the chain: %w", j, err)
			}
		}

		for _, ca := range cri.AcceptableCAs {