diff --git a/src/common/xmpp/auth_nb.py b/src/common/xmpp/auth_nb.py
index 2b982d091..596dc98fe 100644
--- a/src/common/xmpp/auth_nb.py
+++ b/src/common/xmpp/auth_nb.py
@@ -187,7 +187,7 @@ class SASL(PlugIn):
         """
         if not feats.getTag('mechanisms', namespace=NS_SASL):
             self.startsasl='not-supported'
-            log.error('SASL not supported by server')
+            log.info('SASL not supported by server')
             return
         self.mecs = []
         for mec in feats.getTag('mechanisms', namespace=NS_SASL).getTags(
@@ -245,7 +245,7 @@ class SASL(PlugIn):
             self.startsasl = SASL_IN_PROCESS
             raise NodeProcessed
         self.startsasl = SASL_FAILURE
-        log.error('I can only use EXTERNAL, DIGEST-MD5, GSSAPI and PLAIN '
+        log.info('I can only use EXTERNAL, DIGEST-MD5, GSSAPI and PLAIN '
                 'mecanisms.')
         if self.on_sasl:
             self.on_sasl()
@@ -264,7 +264,7 @@ class SASL(PlugIn):
                 reason = challenge.getChildren()[0]
             except Exception:
                 reason = challenge
-            log.error('Failed SASL authentification: %s' % reason)
+            log.info('Failed SASL authentification: %s' % reason)
             if len(self.mecs) > 0:
                 # There are other mechanisms to test
                 self.MechanismHandler()
@@ -340,7 +340,7 @@ class SASL(PlugIn):
             self._owner.send(str(Node('response', attrs={'xmlns':NS_SASL})))
         else:
             self.startsasl = SASL_FAILURE
-            log.error('Failed SASL authentification: unknown challenge')
+            log.info('Failed SASL authentification: unknown challenge')
         if self.on_sasl:
             self.on_sasl()
         raise NodeProcessed
@@ -419,7 +419,7 @@ class NonBlockingNonSASL(PlugIn):
 
     def _on_username(self, resp):
         if not isResultNode(resp):
-            log.error('No result node arrived! Aborting...')
+            log.info('No result node arrived! Aborting...')
             return self.on_auth(None)
 
         iq=Iq(typ='set', node=resp)
@@ -450,7 +450,7 @@ class NonBlockingNonSASL(PlugIn):
             query.setTagData('hash', hash_)
             self._method='0k'
         else:
-            log.warn("Sequre methods unsupported, performing plain text \
+            log.warn("Secure methods unsupported, performing plain text \
                     authentication")
             query.setTagData('password', self.password)
             self._method = 'plain'
@@ -464,7 +464,7 @@ class NonBlockingNonSASL(PlugIn):
             self.owner._registered_name = self.owner.User+'@'+self.owner.Server+\
                     '/'+self.owner.Resource
             return self.on_auth(self._method)
-        log.error('Authentication failed!')
+        log.info('Authentication failed!')
         return self.on_auth(None)
 
 
@@ -496,7 +496,7 @@ class NonBlockingBind(PlugIn):
         attributes accordingly
         """
         if not feats.getTag('bind', namespace=NS_BIND):
-            log.error('Server does not requested binding.')
+            log.info('Server does not requested binding.')
             # we try to bind resource anyway
             #self.bound='failure'
             self.bound = []
@@ -548,10 +548,10 @@ class NonBlockingBind(PlugIn):
                             func=self._on_session)
                 return
         if resp:
-            log.error('Binding failed: %s.' % resp.getTag('error'))
+            log.info('Binding failed: %s.' % resp.getTag('error'))
             self.on_bound(None)
         else:
-            log.error('Binding failed: timeout expired.')
+            log.info('Binding failed: timeout expired.')
             self.on_bound(None)
 
     def _on_session(self, resp):
diff --git a/src/common/xmpp/client_nb.py b/src/common/xmpp/client_nb.py
index ea0e43fb1..f6c3846e6 100644
--- a/src/common/xmpp/client_nb.py
+++ b/src/common/xmpp/client_nb.py
@@ -372,7 +372,7 @@ class NonBlockingClient:
                 # try to negotiate TLS
                 if self.incoming_stream_version() != '1.0':
                     # if stream version is less than 1.0, we can't do more
-                    log.warn('While connecting with type = "tls": stream version ' +
+                    log.info('While connecting with type = "tls": stream version ' +
                             'is less than 1.0')
                     self._on_connect()
                     return
@@ -382,7 +382,7 @@ class NonBlockingClient:
                     log.info('TLS supported by remote server. Requesting TLS start.')
                     self._tls_negotiation_handler()
                 else:
-                    log.warn('While connecting with type = "tls": TLS unsupported ' +
+                    log.info('While connecting with type = "tls": TLS unsupported ' +
                             'by remote server')
                     self._on_connect()
 
diff --git a/src/common/xmpp/transports_nb.py b/src/common/xmpp/transports_nb.py
index 8d0368abc..11a43b687 100644
--- a/src/common/xmpp/transports_nb.py
+++ b/src/common/xmpp/transports_nb.py
@@ -223,7 +223,7 @@ class NonBlockingTransport(PlugIn):
             if hasattr(self, '_owner') and hasattr(self._owner, 'Dispatcher'):
                 self.on_receive = self._owner.Dispatcher.ProcessNonBlocking
             else:
-                log.warning('No Dispatcher plugged. Received data will not be processed')
+                log.warn('No Dispatcher plugged. Received data will not be processed')
                 self.on_receive = None
             return
         self.on_receive = recv_handler
@@ -453,7 +453,7 @@ class NonBlockingTCP(NonBlockingTransport, IdleObject):
             self._sock.shutdown(socket.SHUT_RDWR)
             self._sock.close()
         except socket.error, (errnum, errstr):
-            log.error('Error while disconnecting socket: %s' % errstr)
+            log.info('Error while disconnecting socket: %s' % errstr)
         self.fd = -1
         NonBlockingTransport.disconnect(self, do_callback)