diff --git a/modules/saml/lib/Auth/Source/SP.php b/modules/saml/lib/Auth/Source/SP.php
index 5aa7505695588a11eb0ad8934630b3863c466268..ddc57c760e516033656d390b84491060fb387457 100644
--- a/modules/saml/lib/Auth/Source/SP.php
+++ b/modules/saml/lib/Auth/Source/SP.php
@@ -209,6 +209,8 @@ class sspmod_saml_Auth_Source_SP extends SimpleSAML_Auth_Source {
 		$id = SimpleSAML_Auth_State::saveState($state, 'saml:sp:sso', TRUE);
 		$ar->setId($id);
 
+		SimpleSAML_Logger::debug('Sending SAML 2 AuthnRequest to ' . var_export($idpMetadata->getString('entityid'), TRUE));
+
 		$b = new SAML2_HTTPRedirect();
 		$b->setDestination(sspmod_SAML2_Message::getDebugDestination());
 		$b->send($ar);
diff --git a/modules/saml/www/sp/saml1-acs.php b/modules/saml/www/sp/saml1-acs.php
index 11bbd1b327a46824eb3868eab6067a2b7b739e4a..80505483dd8238c017492cca83aba12c053f16e3 100644
--- a/modules/saml/www/sp/saml1-acs.php
+++ b/modules/saml/www/sp/saml1-acs.php
@@ -17,6 +17,8 @@ $sourceId = substr($sourceId, 1, $end - 1);
 
 $source = SimpleSAML_Auth_Source::getById($sourceId, 'sspmod_saml_Auth_Source_SP');
 
+SimpleSAML_Logger::debug('Received SAML1 response');
+
 
 $state = SimpleSAML_Auth_State::loadState($_REQUEST['TARGET'], 'saml:sp:sso');
 
diff --git a/modules/saml/www/sp/saml2-acs.php b/modules/saml/www/sp/saml2-acs.php
index 1cd68509c94d244494ef2b18bb1052e7bc1f2c4d..0de7f2fb3571b9fede87643c3d5c395d0c1230d8 100644
--- a/modules/saml/www/sp/saml2-acs.php
+++ b/modules/saml/www/sp/saml2-acs.php
@@ -38,6 +38,8 @@ if ($idp === NULL) {
 	throw new Exception('Missing <saml:Issuer> in message delivered to AssertionConsumerService.');
 }
 
+SimpleSAML_Logger::debug('Received SAML2 Response from ' . var_export($idp, TRUE) . '.');
+
 $metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
 $idpMetadata = $source->getIdPmetadata($idp);
 $spMetadata = $source->getMetadata();