diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## Version 2.6.3.3
+
+ * Adds a function to show the defaultHints without reading their undefined fields
+   [#291](https://github.com/haskell/network/pull/292)
+ * Improve exception error messages for getAddrInfo and getNameInfo
+   [#289](https://github.com/haskell/network/pull/289)
+ * Deprecating SockAddrCan.
+
 ## Version 2.6.3.2
 
  * Zero memory of `sockaddr_un` if abstract socket
diff --git a/Network/Socket.hsc b/Network/Socket.hsc
--- a/Network/Socket.hsc
+++ b/Network/Socket.hsc
@@ -1,4 +1,4 @@
-{-# LANGUAGE CPP, ScopedTypeVariables #-}
+{-# LANGUAGE CPP, ScopedTypeVariables, RecordWildCards #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 -----------------------------------------------------------------------------
 -- |
@@ -1408,6 +1408,25 @@
                          addrCanonName = undefined
                         }
 
+-- | Shows the fields of 'defaultHints', without inspecting the by-default undefined fields 'addrAddress' and 'addrCanonName'.
+showDefaultHints :: AddrInfo -> String
+showDefaultHints AddrInfo{..} = concat
+    [ "AddrInfo {"
+    , "addrFlags = "
+    , show addrFlags
+    , ", addrFamily = "
+    , show addrFamily
+    , ", addrSocketType = "
+    , show addrSocketType
+    , ", addrProtocol = "
+    , show addrProtocol
+    , ", addrAddress = "
+    , "<assumed to be undefined>"
+    , ", addrCanonName = "
+    , "<assumed to be undefined>"
+    , "}"
+    ]
+
 -- | Resolve a host or service name to one or more addresses.
 -- The 'AddrInfo' values that this function returns contain 'SockAddr'
 -- values that you can pass directly to 'connect' or
@@ -1465,8 +1484,17 @@
                     c_freeaddrinfo ptr_addrs
                     return ais
             _ -> do err <- gai_strerror ret
+                    let message = concat
+                            [ "Network.Socket.getAddrInfo (called with preferred socket type/protocol: "
+                            , maybe (show hints) showDefaultHints hints
+                            , ", host name: "
+                            , show node
+                            , ", service name: "
+                            , show service
+                            , ")"
+                            ]
                     ioError (ioeSetErrorString
-                             (mkIOError NoSuchThing "Network.Socket.getAddrInfo" Nothing
+                             (mkIOError NoSuchThing message Nothing
                               Nothing) err)
     -- Leaving out the service and using AI_NUMERICSERV causes a
     -- segfault on OS X 10.8.2. This code removes AI_NUMERICSERV
@@ -1545,8 +1573,19 @@
             serv <- peekIf doService c_serv
             return (host, serv)
           _ -> do err <- gai_strerror ret
+                  let message = concat
+                        [ "Network.Socket.getNameInfo (called with flags: "
+                        , show flags
+                        , ", hostname lookup: "
+                        , show doHost
+                        , ", service name lookup: "
+                        , show doService
+                        , ", socket address: "
+                        , show addr
+                        , ")"
+                        ]
                   ioError (ioeSetErrorString
-                           (mkIOError NoSuchThing "Network.Socket.getNameInfo" Nothing
+                           (mkIOError NoSuchThing message Nothing
                             Nothing) err)
 
 foreign import ccall safe "hsnet_getnameinfo"
diff --git a/Network/Socket/Types.hsc b/Network/Socket/Types.hsc
--- a/Network/Socket/Types.hsc
+++ b/Network/Socket/Types.hsc
@@ -854,6 +854,10 @@
   _ -> False
 #endif
 
+#if defined(CAN_SOCKET_SUPPORT)
+{-# DEPRECATED SockAddrCan "This will be removed in 2.7" #-}
+#endif
+
 #if defined(WITH_WINSOCK)
 type CSaFamily = (#type unsigned short)
 #elif defined(darwin_HOST_OS)
diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([Haskell network package], [2.6.3.1], [libraries@haskell.org], [network])
+AC_INIT([Haskell network package], [2.6.3.3], [libraries@haskell.org], [network])
 
 ac_includes_default="$ac_includes_default
 #ifdef HAVE_SYS_SOCKET_H
diff --git a/network.cabal b/network.cabal
--- a/network.cabal
+++ b/network.cabal
@@ -1,5 +1,5 @@
 name:           network
-version:        2.6.3.2
+version:        2.6.3.3
 license:        BSD3
 license-file:   LICENSE
 maintainer:     Kazu Yamamoto, Evan Borden