diff --git a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/BufferUtils.java b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/BufferUtils.java
index 3f965a35b2ea..c7f7fb99afe8 100644
--- a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/BufferUtils.java
+++ b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/BufferUtils.java
@@ -53,7 +53,7 @@ public static ByteBuffer slice(final ByteBuffer buffer, final int size) {
     }
 
     public static UnsignedLong uint(final ByteBuffer buffer, final int octets) {
-        Preconditions.checkArgument(octets > 0 && octets < 9);
+        Preconditions.checkArgument(0 <= octets && octets <= 8);
 
         long result = 0;
 
@@ -65,7 +65,7 @@ public static UnsignedLong uint(final ByteBuffer buffer, final int octets) {
     }
 
     public static Long sint(final ByteBuffer buffer, final int octets) {
-        Preconditions.checkArgument(octets > 0 && octets < 9);
+        Preconditions.checkArgument(0 <= octets && octets <= 8);
 
         long result = buffer.get() & 0xFFL;
         boolean s = (result & 0x80L) != 0;
diff --git a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/PacketHandler.java b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/PacketHandler.java
index d2d1e9e6326f..77e8a31c8887 100644
--- a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/PacketHandler.java
+++ b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/PacketHandler.java
@@ -49,6 +49,7 @@
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.IPv6AddressValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.ListValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.MacAddressValue;
+import org.opennms.netmgt.telemetry.listeners.flow.ie.values.NullValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.OctetArrayValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.SignedValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.StringValue;
@@ -143,6 +144,11 @@ private Flows.Entry.Builder buildEntry(final String name, final Optional<Semanti
             return builder;
         }
 
+        @Override
+        public void accept(final NullValue value) {
+            // Ignored
+        }
+
         @Override
         public void accept(final BooleanValue value) {
             this.buildEntry(value.getName(), value.getSemantics())
diff --git a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/InformationElementDatabase.java b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/InformationElementDatabase.java
index ddf8cf576c7f..e584c7b9a120 100644
--- a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/InformationElementDatabase.java
+++ b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/InformationElementDatabase.java
@@ -33,6 +33,7 @@
 import java.util.Optional;
 
 import org.opennms.netmgt.telemetry.listeners.flow.Protocol;
+import org.opennms.netmgt.telemetry.listeners.flow.ie.values.NullValue;
 
 import com.google.common.collect.ImmutableMap;
 
@@ -76,7 +77,7 @@ public interface Adder {
 
         default void add(final Protocol protocol,
                          final Optional<Long> enterpriseNumber,
-                         final Integer informationElementNumber,
+                         final int informationElementNumber,
                          final ValueParserFactory parserFactory,
                          final String name,
                          final Optional<Semantics> semantics) {
@@ -84,7 +85,7 @@ default void add(final Protocol protocol,
         }
 
         default void add(final Protocol protocol,
-                         final Integer informationElementNumber,
+                         final int informationElementNumber,
                          final ValueParserFactory parserFactory,
                          final String name,
                          final Optional<Semantics> semantics) {
@@ -92,7 +93,7 @@ default void add(final Protocol protocol,
         }
 
         default void add(final Protocol protocol,
-                         final Integer informationElementNumber,
+                         final int informationElementNumber,
                          final ValueParserFactory parserFactory,
                          final String name,
                          final Semantics semantics) {
@@ -112,6 +113,12 @@ public interface Provider {
 
     private InformationElementDatabase(final Provider... providers) {
         final AdderImpl adder = new AdderImpl();
+
+        // Add null element - this derives from the standard but is required by some exporters
+        adder.add(Protocol.NETFLOW9, 0, NullValue::parser, "null", Optional.empty());
+        adder.add(Protocol.IPFIX, 0, NullValue::parser, "null", Optional.empty());
+
+        // Load providers
         for (final Provider provider : providers) {
             provider.load(adder);
         }
diff --git a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/Value.java b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/Value.java
index d1df100fe098..32ff4af4732d 100644
--- a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/Value.java
+++ b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/Value.java
@@ -38,6 +38,7 @@
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.IPv6AddressValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.ListValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.MacAddressValue;
+import org.opennms.netmgt.telemetry.listeners.flow.ie.values.NullValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.OctetArrayValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.SignedValue;
 import org.opennms.netmgt.telemetry.listeners.flow.ie.values.StringValue;
@@ -47,6 +48,8 @@
 public abstract class Value<T> {
 
     public interface Visitor {
+        void accept(final NullValue value);
+
         void accept(final BooleanValue value);
 
         void accept(final DateTimeValue value);
diff --git a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/values/NullValue.java b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/values/NullValue.java
new file mode 100644
index 000000000000..ae7906809541
--- /dev/null
+++ b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ie/values/NullValue.java
@@ -0,0 +1,85 @@
+/*******************************************************************************
+ * This file is part of OpenNMS(R).
+ *
+ * Copyright (C) 2017 The OpenNMS Group, Inc.
+ * OpenNMS(R) is Copyright (C) 1999-2017 The OpenNMS Group, Inc.
+ *
+ * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
+ *
+ * OpenNMS(R) is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
+ *
+ * OpenNMS(R) is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with OpenNMS(R).  If not, see:
+ *      http://www.gnu.org/licenses/
+ *
+ * For more information contact:
+ *     OpenNMS(R) Licensing <license@opennms.org>
+ *     http://www.opennms.org/
+ *     http://www.opennms.com/
+ *******************************************************************************/
+
+package org.opennms.netmgt.telemetry.listeners.flow.ie.values;
+
+import java.nio.ByteBuffer;
+import java.util.Optional;
+
+import org.opennms.netmgt.telemetry.listeners.flow.InvalidPacketException;
+import org.opennms.netmgt.telemetry.listeners.flow.ie.InformationElement;
+import org.opennms.netmgt.telemetry.listeners.flow.ie.Semantics;
+import org.opennms.netmgt.telemetry.listeners.flow.ie.Value;
+import org.opennms.netmgt.telemetry.listeners.flow.session.TemplateManager;
+
+import com.google.common.base.MoreObjects;
+
+public class NullValue extends Value<Void> {
+    public NullValue(final String name,
+                     final Optional<Semantics> semantics) {
+        super(name, semantics);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("name", getName())
+                .add("value", "(null)")
+                .toString();
+    }
+
+    public static InformationElement parser(final String name, final Optional<Semantics> semantics) {
+        return new InformationElement() {
+            @Override
+            public Value<?> parse(final TemplateManager.TemplateResolver templateResolver,
+                                  final ByteBuffer buffer) throws InvalidPacketException {
+                return new NullValue(name, semantics);
+            }
+
+            @Override
+            public int getMaximumFieldLength() {
+                return 0;
+            }
+
+            @Override
+            public int getMinimumFieldLength() {
+                return 0;
+            }
+        };
+    }
+
+    @Override
+    public Void getValue() {
+        return null;
+    }
+
+    @Override
+    public void visit(final Visitor visitor) {
+        visitor.accept(this);
+    }
+}
diff --git a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ipfix/proto/FieldSpecifier.java b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ipfix/proto/FieldSpecifier.java
index 80bd34b45d8c..00c947a5e716 100644
--- a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ipfix/proto/FieldSpecifier.java
+++ b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/ipfix/proto/FieldSpecifier.java
@@ -89,10 +89,6 @@ public FieldSpecifier(final ByteBuffer buffer) throws InvalidPacketException {
 
             this.specifier = new EnterpriseField(this.fieldLength, this.informationElementId, enterpriseNumber);
         }
-
-        if (this.fieldLength < 1) {
-            throw new InvalidPacketException("Zero-sized field");
-        }
     }
 
     @Override
diff --git a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/netflow9/proto/FieldSpecifier.java b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/netflow9/proto/FieldSpecifier.java
index a7ccc90ffc5c..d8dcd96738b9 100644
--- a/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/netflow9/proto/FieldSpecifier.java
+++ b/features/telemetry/listeners/flow/src/main/java/org/opennms/netmgt/telemetry/listeners/flow/netflow9/proto/FieldSpecifier.java
@@ -73,10 +73,6 @@ public FieldSpecifier(final ByteBuffer buffer) throws InvalidPacketException {
         }
 
         this.specifier = new StandardField(this.fieldLength, informationElement);
-
-        if (this.fieldLength < 1) {
-            throw new InvalidPacketException("Zero-sized field");
-        }
     }
 
     @Override