//                                                                      ==============

    @Execute
    public ActionResponse index() {
        if (fessLoginAssist.getSavedUserBean().isPresent()) {
            return redirect(RootAction.class);
        }
        final SsoManager ssoManager = ComponentUtil.getSsoManager();
        final LoginCredential loginCredential = ssoManager.getLoginCredential();
        if (loginCredential == null) {

        'r8_proguard.md': 'features/r8_proguard.md'
        # Redirect all Security pages to security/*
        'security.md': 'security/security.md'
        'security_providers.md': 'security/security_providers.md'
        'tls_configuration_history.md': 'security/tls_configuration_history.md'
        # Redirect all changelog pages to changelog/*
        'changelog.md': 'changelogs/changelog.md'

		"kubevirtInterfaces":   {kubevirtInterfacesKey, defaultKubevirtInterfaces, alwaysValidFunc},
		"excludeInterfaces":    {excludeInterfacesKey, defaultExcludeInterfaces, alwaysValidFunc},
	}
)

// Redirect -- the istio-cni redirect object
type Redirect struct {
	targetPort           string
	redirectMode         string
	noRedirectUID        string
	noRedirectGID        string
	includeIPCidrs       string
	excludeIPCidrs       string

var ErrNotImplemented = errors.New("not implemented")

// Program defines a method which programs iptables based on the parameters
// provided in Redirect.
func (ipt *iptables) Program(podName, netns string, rdrct *Redirect) error {
	return ErrNotImplemented

<tr align="left">
<td align="left" width="15" style="width:15px;padding:0;margin:0;line-height:1px;font-size:1px;"></td>

* 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 15020 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15021 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15090 -j RETURN

        if (user.hasRoles(fessConfig.getAuthenticationAdminRolesAsArray())) {
            return redirect(AdminDashboardAction.class);
        }
        final Class<? extends FessAdminAction> actionClass = AdminAction.getAdminActionClass(user);
        if (actionClass != null) {
            return redirect(actionClass);
        }
        return redirectToRoot();
    }

* 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 15020 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15021 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15090 -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 22 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15020 -j RETURN
-A ISTIO_INBOUND -p tcp --dport 15021 -j RETURN

	}

	// Return an error if ODirect is not supported. Single disk will have
	// oDirect off.
	if globalIsErasureSD || !disk.ODirectPlatform {
		s.oDirect = false
	} else if err := s.checkODirectDiskSupport(info.FSType); err == nil {
		s.oDirect = true
	} else {
		return s, err
	}

	// Initialize DiskInfo cache