1 files changed, 24 insertions, 0 deletions
diff --git a/paramiko/ssh_exception.py b/paramiko/ssh_exception.py
index b525468a..2789be99 100644
--- a/paramiko/ssh_exception.py
+++ b/paramiko/ssh_exception.py
@@ -196,3 +196,27 @@ class NoValidConnectionsError(socket.error):
 
     def __reduce__(self):
         return (self.__class__, (self.errors,))
+
+
+class CouldNotCanonicalize(SSHException):
+    """
+    Raised when hostname canonicalization fails & fallback is disabled.
+
+    .. versionadded:: 2.7
+    """
+
+    pass
+
+
+class ConfigParseError(SSHException):
+    """
+    A fatal error was encountered trying to parse SSH config data.
+
+    Typically this means a config file violated the ``ssh_config``
+    specification in a manner that requires exiting immediately, such as not
+    matching ``key = value`` syntax or misusing certain ``Match`` keywords.
+
+    .. versionadded:: 2.7
+    """
+
+    pass