diff --git a/tests/test_socket.py b/tests/test_socket.py
index f0015b8..08de1e7 100644
--- a/tests/test_socket.py
+++ b/tests/test_socket.py
@@ -106,6 +106,29 @@ def test_client_socket_close():
     server_socket.close()
 
 
+def test_client_socket_closed():
+    server_socket = TServerSocket(host="localhost", port=12345)
+    server_socket.listen()
+
+    client_socket = TSocket(host="localhost", port=12345)
+    client_socket.open()
+
+    conn = server_socket.accept()
+    client_socket.close()
+    assert not client_socket.is_open()
+
+    with pytest.raises(TTransportException) as e:
+        client_socket.read(1024)
+    assert "Could not read from closed socket" in e.value.message
+
+    with pytest.raises(TTransportException) as e:
+        client_socket.write(b"world")
+    assert "Could not write into closed socket" in e.value.message
+
+    conn.close()
+    server_socket.close()
+
+
 def test_server_socket_close():
     server_socket = TServerSocket(host="localhost", port=12345)
     server_socket.listen()
@@ -124,6 +147,17 @@ def test_server_socket_close():
     server_socket.close()
 
 
+def test_server_socket_closed():
+    server_socket = TServerSocket(host="localhost", port=12345)
+    server_socket.listen()
+
+    server_socket.close()
+
+    with pytest.raises(TTransportException) as e:
+        server_socket.accept()
+    assert "Could not accept on closed socket" in e.value.message
+
+
 def test_client_socket_set_timeout():
     server_socket = TServerSocket(host="localhost", port=12345,
                                   client_timeout=100)
diff --git a/tests/test_sslsocket.py b/tests/test_sslsocket.py
index 4948a12..5742bdd 100644
--- a/tests/test_sslsocket.py
+++ b/tests/test_sslsocket.py
@@ -96,3 +96,17 @@ def test_persist_ssl_context():
                                ssl_context=client_ssl_context)
 
     _test_socket(server_socket, client_socket)
+
+
+def test_server_socket_closed():
+    server_ssl_context = create_thriftpy_context(server_side=True)
+    server_ssl_context.load_cert_chain(certfile="ssl/server.pem")
+    server_socket = TSSLServerSocket(host="localhost", port=12345,
+                                     ssl_context=server_ssl_context)
+    server_socket.listen()
+
+    server_socket.close()
+
+    with pytest.raises(TTransportException) as e:
+        server_socket.accept()
+    assert "Could not accept on closed socket" in e.value.message
diff --git a/thriftpy/transport/socket.py b/thriftpy/transport/socket.py
index 51a5283..63eabb0 100644
--- a/thriftpy/transport/socket.py
+++ b/thriftpy/transport/socket.py
@@ -104,6 +104,11 @@ def open(self):
                 message="Could not connect to %s" % str(addr))
 
     def read(self, sz):
+        if self.sock is None:
+            raise TTransportException(
+                type=TTransportException.NOT_OPEN,
+                message="Could not read from closed socket")
+
         try:
             buff = self.sock.recv(sz)
         except socket.error as e:
@@ -126,6 +131,11 @@ def read(self, sz):
         return buff
 
     def write(self, buff):
+        if self.sock is None:
+            raise TTransportException(
+                type=TTransportException.NOT_OPEN,
+                message="Could not write into closed socket")
+
         self.sock.sendall(buff)
 
     def flush(self):
@@ -209,6 +219,11 @@ def listen(self):
         self.sock.listen(self.backlog)
 
     def accept(self):
+        if self.sock is None:
+            raise TTransportException(
+                type=TTransportException.NOT_OPEN,
+                message="Could not accept on closed socket")
+
         client, _ = self.sock.accept()
         if self.client_timeout:
             client.settimeout(self.client_timeout)
@@ -221,5 +236,6 @@ def close(self):
         try:
             self.sock.shutdown(socket.SHUT_RDWR)
             self.sock.close()
+            self.sock = None
         except (socket.error, OSError):
             pass
diff --git a/thriftpy/transport/sslsocket.py b/thriftpy/transport/sslsocket.py
index 3972e34..0f52cd4 100644
--- a/thriftpy/transport/sslsocket.py
+++ b/thriftpy/transport/sslsocket.py
@@ -7,6 +7,7 @@
 import ssl
 import struct
 
+from . import TTransportException
 from ._ssl import (
     create_thriftpy_context,
     RESTRICTED_SERVER_CIPHERS,
@@ -109,6 +110,11 @@ def __init__(self, host, port, socket_family=socket.AF_INET,
             self.ssl_context.load_cert_chain(certfile=certfile)
 
     def accept(self):
+        if self.sock is None:
+            raise TTransportException(
+                type=TTransportException.NOT_OPEN,
+                message="Could not accept on closed socket")
+
         sock, _ = self.sock.accept()
         try:
             ssl_sock = self.ssl_context.wrap_socket(sock, server_side=True)