diff --git a/src/net_processing.cpp b/src/net_processing.cpp
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -3399,11 +3399,15 @@
     if (memcmp(hash.begin(), hdr.pchChecksum, CMessageHeader::CHECKSUM_SIZE) !=
         0) {
         LogPrint(
-            BCLog::NET, "%s(%s, %u bytes): CHECKSUM ERROR expected %s was %s\n",
+            BCLog::NET,
+            "%s(%s, %u bytes): CHECKSUM ERROR expected %s was %s from "
+            "peer=%d\n",
             __func__, SanitizeString(strCommand), nMessageSize,
             HexStr(hash.begin(), hash.begin() + CMessageHeader::CHECKSUM_SIZE),
             HexStr(hdr.pchChecksum,
-                   hdr.pchChecksum + CMessageHeader::CHECKSUM_SIZE));
+                   hdr.pchChecksum + CMessageHeader::CHECKSUM_SIZE),
+            pfrom->GetId());
+        connman->Ban(pfrom->addr, BanReasonNodeMisbehaving);
         return fMoreWork;
     }
 
diff --git a/test/functional/abc-invalid-message.py b/test/functional/abc-invalid-message.py
new file mode 100755
--- /dev/null
+++ b/test/functional/abc-invalid-message.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python3
+# Copyright (c) 2019 The Bitcoin developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""ABC Invalid Message Test
+
+Test that invalid messages get rejected and/or ban the sender as expected for
+each case.
+"""
+
+import struct
+from test_framework.mininode import (
+    P2PInterface,
+    msg_ping,
+    mininode_lock,
+    MAGIC_BYTES,
+    network_thread_start,
+)
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.messages import NODE_NETWORK, msg_version
+from test_framework.util import wait_until
+
+
+def msg_bad_checksum(connection, original_message):
+    message_data = bytearray(connection.format_message(original_message))
+
+    data = original_message.serialize()
+    i = 0
+    i += len(MAGIC_BYTES[connection.network])
+    i += 12
+    i += len(struct.pack("<I", len(data)))
+
+    # Make the checksum invalid
+    message_data[i] = message_data[i] ^ 0xAA
+    return message_data
+
+
+class BadVersionP2PInterface(P2PInterface):
+    def peer_connect(self, *args, services=NODE_NETWORK, send_version=False, **kwargs):
+        super().peer_connect(*args, send_version=send_version, **kwargs)
+
+        # Send version message with invalid checksum
+        vt = msg_version()
+        vt.nServices = services
+        vt.addrTo.ip = self.dstaddr
+        vt.addrTo.port = self.dstport
+        vt.addrFrom.ip = "0.0.0.0"
+        vt.addrFrom.port = 0
+        invalid_vt = msg_bad_checksum(self, vt)
+        self.send_raw_message(invalid_vt, True)
+
+
+class InvalidMessageTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.setup_clean_chain = False
+        self.num_nodes = 2
+
+    def run_test(self):
+        # Try to connect to a node using an invalid checksum on version message
+        bad_interface = BadVersionP2PInterface()
+        self.nodes[0].add_p2p_connection(bad_interface)
+
+        # Also connect to a node with a valid version message
+        interface = P2PInterface()
+        connection = self.nodes[1].add_p2p_connection(interface)
+
+        network_thread_start()
+
+        # The invalid version message should cause a disconnect on the first
+        # connection because we are now banned
+        bad_interface.wait_for_disconnect()
+
+        # Node with valid version message should connect successfully
+        connection.wait_for_verack()
+
+        # Create a valid message
+        valid_message = msg_ping(interface.ping_counter)
+
+        def wait_for_ping():
+            def check_ping():
+                if not interface.last_message.get("pong"):
+                    return False
+                return interface.last_message["pong"].nonce == interface.ping_counter
+            wait_until(check_ping, lock=mininode_lock)
+            interface.ping_counter += 1
+
+        # The valid message is accepted
+        connection.send_message(valid_message)
+        wait_for_ping()
+
+        # Make an invalid copy of the valid message with an invalid checksum
+        invalid_message = msg_bad_checksum(connection, valid_message)
+
+        # The invalid message should cause a disconnect because we are now
+        # banned
+        connection.send_raw_message(invalid_message)
+        interface.wait_for_disconnect()
+
+
+if __name__ == '__main__':
+    InvalidMessageTest().main()
diff --git a/test/functional/test_framework/mininode.py b/test/functional/test_framework/mininode.py
--- a/test/functional/test_framework/mininode.py
+++ b/test/functional/test_framework/mininode.py
@@ -212,14 +212,7 @@
                 return
             self.sendbuf = self.sendbuf[sent:]
 
-    def send_message(self, message, pushbuf=False):
-        """Send a P2P message over the socket.
-
-        This method takes a P2P payload, builds the P2P header and adds
-        the message to the send buffer to be sent over the socket."""
-        if self.state != "connected" and not pushbuf:
-            raise IOError('Not connected, no pushbuf')
-        self._log_message("send", message)
+    def format_message(self, message):
         command = message.command
         data = message.serialize()
         tmsg = MAGIC_BYTES[self.network]
@@ -230,6 +223,26 @@
         h = sha256(th)
         tmsg += h[:4]
         tmsg += data
+        return tmsg
+
+    def send_message(self, message, pushbuf=False):
+        """Send a P2P message over the socket.
+
+        This method takes a P2P payload, builds the P2P header and adds
+        the message to the send buffer to be sent over the socket."""
+        if self.state != "connected" and not pushbuf:
+            raise IOError('Not connected, no pushbuf')
+        self._log_message("send", message)
+        tmsg = self.format_message(message)
+        self.send_raw_message(tmsg, pushbuf)
+
+    def send_raw_message(self, tmsg, pushbuf=False):
+        """Send any raw message over the socket.
+
+        This method adds a raw message to the send buffer to be sent over the
+        socket."""
+        if self.state != "connected" and not pushbuf:
+            raise IOError('Not connected, no pushbuf')
         with mininode_lock:
             if (len(self.sendbuf) == 0 and not pushbuf):
                 try: