If the DNS SRV record is at an entirely different place, say `_ldapsrv._tcpish.myldapserver.com`, then set `srv_record_name` to the special value `on` and set `server_addr=_ldapsrv._tcpish.myldapserver.com`.

	if l == nil {
		return Config{}
	}
	cfg := Config{
		LDAP:              l.LDAP.Clone(),
		stsExpiryDuration: l.stsExpiryDuration,
	}
	return cfg
}

// LDAP keys and envs.
const (
	ServerAddr         = "server_addr"
	SRVRecordName      = "srv_record_name"
	LookupBindDN       = "lookup_bind_dn"
	LookupBindPassword = "lookup_bind_password"
	UserDNSearchBaseDN = "user_dn_search_base_dn"

	MINIO_CI_CD=1 ./minio.${OLD_VERSION} server /tmp/data/{1...4} &
	sleep 5

	set -x
	mc alias set old-minio http://localhost:9000 minioadmin minioadmin
	mc idp ldap add old-minio \
		server_addr=localhost:1389 \
		server_insecure=on \
		lookup_bind_dn=cn=admin,dc=min,dc=io \
		lookup_bind_password=admin \
		user_dn_search_base_dn=dc=min,dc=io \
		user_dn_search_filter="(uid=%s)" \

export MINIO_ROOT_PASSWORD="minio123"
export MINIO_KMS_AUTO_ENCRYPTION=off
export MINIO_PROMETHEUS_AUTH_TYPE=public
export MINIO_KMS_SECRET_KEY=my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw=
export MINIO_IDENTITY_LDAP_SERVER_ADDR="localhost:389"
export MINIO_IDENTITY_LDAP_SERVER_INSECURE="on"
export MINIO_IDENTITY_LDAP_LOOKUP_BIND_DN="cn=admin,dc=min,dc=io"
export MINIO_IDENTITY_LDAP_LOOKUP_BIND_PASSWORD="admin"

// container and canned data from https://github.com/minio/minio-ldap-testing
func (s *TestSuiteIAM) SetUpLDAP(c *check, serverAddr string) {
	ctx, cancel := context.WithTimeout(context.Background(), testDefaultTimeout)
	defer cancel()

	configCmds := []string{
		"identity_ldap",
		fmt.Sprintf("server_addr=%s", serverAddr),
		"server_insecure=on",
		"lookup_bind_dn=cn=admin,dc=min,dc=io",
		"lookup_bind_password=admin",

					continue nextTest
				}
				t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
			}
		}

		for _, serverAddr := range listener.Addrs() {
			conn, err := net.Dial("tcp", serverAddr.String())
			if err != nil {
				t.Fatalf("Test %d: error: expected = <nil>, got = %v", i+1, err)
			}
			conn.Close()
		}

		listener.Close()
	}
}

func newHTTPListener(ctx context.Context, serverAddrs []string, opts TCPOptions) (listener *httpListener, listenErrs []error) {
	tcpListeners := make([]*net.TCPListener, 0, len(serverAddrs))
	listenErrs = make([]error, len(serverAddrs))

	// Unix listener with special TCP options.
	listenCfg := net.ListenConfig{
		Control: setTCPParametersFn(opts),
	}

	for i, serverAddr := range serverAddrs {
		var (
			l net.Listener

)

// LegacyConfig contains AD/LDAP server connectivity information from old config
// V33.
type LegacyConfig struct {
	Enabled bool `json:"enabled"`

	// E.g. "ldap.minio.io:636"
	ServerAddr string `json:"serverAddr"`

	// User DN search parameters
	UserDNSearchBaseDistName  string   `json:"userDNSearchBaseDN"`
	UserDNSearchBaseDistNames []string `json:"-"` // Generated field

		return config.DefaultHelpPostfix(DefaultKVS, key)
	}

	Help = config.HelpKVS{
		config.HelpKV{
			Key:         ServerAddr,
			Description: `AD/LDAP server address e.g. "myldap.com" or "myldapserver.com:636"` + defaultHelpPostfix(ServerAddr),
			Type:        "address",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         SRVRecordName,

func TestBuffConnReadTimeout(t *testing.T) {
	l, err := net.Listen("tcp", "localhost:0")
	if err != nil {
		t.Fatalf("unable to create listener. %v", err)
	}
	defer l.Close()
	serverAddr := l.Addr().String()

	tcpListener, ok := l.(*net.TCPListener)
	if !ok {
		t.Fatalf("failed to assert to net.TCPListener")
	}

	var wg sync.WaitGroup
	wg.Add(1)
	go func() {
		defer wg.Done()