diff --git a/files/qa-databases.conf b/files/qa-databases.conf
index 0cf602a2..485f14d7 100644
--- a/files/qa-databases.conf
+++ b/files/qa-databases.conf
@@ -7,20 +7,6 @@
 employee.fdb = $(dir_sampleDb)/employee.fdb
 employee = $(dir_sampleDb)/employee.fdb
 
-# Master security database specific setup.
-#
-security.db = $(dir_secDb)/security5.fdb
-{
-	# NOTE. We have to ALLOW RemoteAccess for some tests:
-	#   bugs/core_4821_test.py
-	#   bugs/gh_6860_test.py
-	#   bugs/test_user_management.py
-    #   functional/session/test_ext_conn_pool_01.py
-    #
-	RemoteAccess = true
-	DefaultDbCachePages = 256
-}
-
 # Hereafter we specify data for tests which require special settings for database.
 # NOTE: each alias must EXACTLY match to value specified in the test!
 #
@@ -71,3 +57,33 @@ tmp_core_6208_alias = $(dir_sampleDb)/qa/tmp_core_6208.fdb
 {
     SecurityDatabase = tmp_core_6208_alias
 }
+
+
+
+# Test issue: https://github.com/FirebirdSQL/firebird/issues/6650
+# ex. core-6412
+tmp_core_6412_alias = $(dir_sampleDb)/qa/tmp_core_6412.fdb
+{
+    AuthClient = Srp256, Srp
+    UserManager = Srp
+    SecurityDatabase = tmp_core_6412_alias
+}
+
+
+# Test issue: https://github.com/FirebirdSQL/firebird/issues/2367
+# ex. core-6441
+tmp_core_6441_alias = $(dir_sampleDb)/qa/tmp_core_6441.fdb
+{
+    AuthClient = Srp256, Srp
+    UserManager = Srp
+    SecurityDatabase = tmp_core_6441_alias
+}
+
+
+# Test issue: https://github.com/FirebirdSQL/firebird/issues/1665
+# ex. core-1241
+tmp_gh_1665_alias = $(dir_sampleDb)/qa/tmp_gh_1665.fdb
+{
+    # NB: this is *per-database* parameter rather than TempDirectories.
+    TempTableDirectory = |DEFINITELY|INACCESSIBLE|
+}