sslSocket.enabledProtocols.intersect(tlsVersionsAsString, naturalOrder())
      } else {
        sslSocket.enabledProtocols
      }

    // In accordance with https://tools.ietf.org/html/draft-ietf-tls-downgrade-scsv-00 the SCSV
    // cipher is added to signal that a protocol fallback has taken place.
    val supportedCipherSuites = sslSocket.supportedCipherSuites
    val indexOfFallbackScsv =
      supportedCipherSuites.indexOf(

* Fix GCE etcd scripts to pass in all required parameters for the etcd migration utility to correctly perform HA upgrades and downgrades ([#61957](https://github.com/kubernetes/kubernetes/pull/61957), [@jpbetz](https://github.com/jpbetz))

        }

        @ParameterizedTest(name = "from {0} to {1}")
        @MethodSource("provideInvalidPathUpgradeVersions")
        @DisplayName("should reject downgrade")
        void shouldRejectDowngrade(String from, String to) {
            assertFalse(ModelVersionUtils.canUpgrade(from, to));
        }

        private static Stream<Arguments> provideInvalidPathUpgradeVersions() {

		case madmin.AdminAPIVersion:
			desc = fmt.Sprintf("This 'admin' API is not supported by server in '%s'", getMinioMode())
		default:
			desc = fmt.Sprintf("Unexpected client 'admin' API version found '%s', expected '%s', please downgrade the client to older releases", version, madmin.AdminAPIVersion)
		}
		writeErrorResponseJSON(r.Context(), w, APIError{
			Code:           "XMinioAdminVersionMismatch",
			Description:    desc,

    /**
     * Enforce secure negotiation
     *
     * Property {@code jcifs.smb.client.requireSecureNegotiate} (boolean, default true)
     *
     * This does not provide any actual downgrade protection if SMB1 is allowed.
     *
     * It will also break connections with SMB2 servers that do not properly sign error responses.
     *
     * @return whether to enforce the use of secure negotiation.
     */

				if !ok {
					ckvs.Set(kv.Key, kv.Value)
				}
			}
			if _, ok := cp[subSys]; !ok {
				rnSubSys, ok := renamedSubsys[subSys]
				if !ok {
					// A config subsystem was removed or server was downgraded.
					continue
				}
				// Copy over settings from previous sub-system
				// to newly renamed sub-system
				for _, kv := range cp[rnSubSys][Default] {
					_, ok := c[subSys][tgt].Lookup(kv.Key)

    private ReferrerPolicyValues() {}

    public static final String NO_REFERRER = "no-referrer";
    public static final String NO_REFFERER_WHEN_DOWNGRADE = "no-referrer-when-downgrade";
    public static final String SAME_ORIGIN = "same-origin";
    public static final String ORIGIN = "origin";
    public static final String STRICT_ORIGIN = "strict-origin";

            }
        } catch (final UnknownHostException uhe) {}

        w = new WriterThread();
        w.setDaemon(true);
        w.start();

        /* Downgrade one transport to the lower of the negotiated buffer sizes
         * so we can just send whatever is received.
         */

        final SmbTransport t1 = tree.session.transport;

          <name>preserveModelVersion</name>
          <version>4.1.0+</version>
          <description>
            Indicates if the build POM for this project should be preserved or downgraded to the lowest
            compatible version.
            @since Maven 4.0.0
          </description>
          <type>boolean</type>
          <defaultValue>false</defaultValue>
        </field>

  This feature will not be fully enabled until a future Kubernetes release (likely to be v1.29), but is added in v1.28 to enable
  safe rollback on downgrade. ([#118339](https://github.com/kubernetes/kubernetes/pull/118339), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery, Auth, Cloud Provider and Testing]