diff --git a/lib/core/common.py b/lib/core/common.py
index 32e4b1591..912165463 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -517,10 +517,9 @@ class Backend:
     # Comparison methods
     @staticmethod
     def isDbms(dbms):
-        if Backend.getDbms() is not None:
-            return Backend.getDbms() == aliasToDbmsEnum(dbms)
-        else:
-            return Backend.getIdentifiedDbms() == aliasToDbmsEnum(dbms)
+        if not kb.get("testMode") and all((Backend.getDbms(), Backend.getIdentifiedDbms())) and Backend.getDbms() != Backend.getIdentifiedDbms():
+            singleTimeWarnMessage("identified ('%s') and fingerprinted ('%s') DBMSes differ. If you experience problems in enumeration phase please rerun with '--flush-session'" % (Backend.getIdentifiedDbms(), Backend.getDbms()))
+        return Backend.getIdentifiedDbms() == aliasToDbmsEnum(dbms)
 
     @staticmethod
     def isDbmsWithin(aliases):
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 4829b48c3..c7df7e875 100755
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.1.3.3"
+VERSION = "1.1.3.4"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/plugins/dbms/access/fingerprint.py b/plugins/dbms/access/fingerprint.py
index e60538671..a97ee4067 100644
--- a/plugins/dbms/access/fingerprint.py
+++ b/plugins/dbms/access/fingerprint.py
@@ -146,7 +146,7 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(ACCESS_ALIASES) or (conf.dbms or "").lower() in ACCESS_ALIASES):
+        if not conf.extensiveFp and Backend.isDbmsWithin(ACCESS_ALIASES):
             setDbms(DBMS.ACCESS)
 
             return True
diff --git a/plugins/dbms/db2/fingerprint.py b/plugins/dbms/db2/fingerprint.py
index b3be0735e..f8deb9a29 100644
--- a/plugins/dbms/db2/fingerprint.py
+++ b/plugins/dbms/db2/fingerprint.py
@@ -81,7 +81,7 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(DB2_ALIASES) or (conf.dbms or "").lower() in DB2_ALIASES):
+        if not conf.extensiveFp and Backend.isDbmsWithin(DB2_ALIASES):
             setDbms(DBMS.DB2)
 
             return True
diff --git a/plugins/dbms/firebird/fingerprint.py b/plugins/dbms/firebird/fingerprint.py
index 6ed7a3a63..b673d1c43 100644
--- a/plugins/dbms/firebird/fingerprint.py
+++ b/plugins/dbms/firebird/fingerprint.py
@@ -103,9 +103,7 @@ class Fingerprint(GenericFingerprint):
         return retVal
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(FIREBIRD_ALIASES) \
-           or (conf.dbms or "").lower() in FIREBIRD_ALIASES) and Backend.getVersion() and \
-           Backend.getVersion() != UNKNOWN_DBMS_VERSION:
+        if not conf.extensiveFp and Backend.isDbmsWithin(FIREBIRD_ALIASES):
             setDbms("%s %s" % (DBMS.FIREBIRD, Backend.getVersion()))
 
             self.getBanner()
diff --git a/plugins/dbms/hsqldb/fingerprint.py b/plugins/dbms/hsqldb/fingerprint.py
index fa6bb857c..3c657ee87 100644
--- a/plugins/dbms/hsqldb/fingerprint.py
+++ b/plugins/dbms/hsqldb/fingerprint.py
@@ -80,9 +80,7 @@ class Fingerprint(GenericFingerprint):
 
         """
 
-        if not conf.extensiveFp and (Backend.isDbmsWithin(HSQLDB_ALIASES) \
-           or (conf.dbms or "").lower() in HSQLDB_ALIASES) and Backend.getVersion() and \
-           Backend.getVersion() != UNKNOWN_DBMS_VERSION:
+        if not conf.extensiveFp and Backend.isDbmsWithin(HSQLDB_ALIASES):
             setDbms("%s %s" % (DBMS.HSQLDB, Backend.getVersion()))
 
             if Backend.isVersionGreaterOrEqualThan("1.7.2"):
diff --git a/plugins/dbms/informix/fingerprint.py b/plugins/dbms/informix/fingerprint.py
index 58938634f..062af85ba 100644
--- a/plugins/dbms/informix/fingerprint.py
+++ b/plugins/dbms/informix/fingerprint.py
@@ -56,7 +56,7 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(INFORMIX_ALIASES) or (conf.dbms or "").lower() in INFORMIX_ALIASES):
+        if not conf.extensiveFp and Backend.isDbmsWithin(INFORMIX_ALIASES):
             setDbms(DBMS.INFORMIX)
 
             self.getBanner()
diff --git a/plugins/dbms/maxdb/fingerprint.py b/plugins/dbms/maxdb/fingerprint.py
index 0d3cfdf57..6976be515 100644
--- a/plugins/dbms/maxdb/fingerprint.py
+++ b/plugins/dbms/maxdb/fingerprint.py
@@ -91,7 +91,7 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(MAXDB_ALIASES) or (conf.dbms or "").lower() in MAXDB_ALIASES):
+        if not conf.extensiveFp and Backend.isDbmsWithin(MAXDB_ALIASES):
             setDbms(DBMS.MAXDB)
 
             self.getBanner()
diff --git a/plugins/dbms/mssqlserver/fingerprint.py b/plugins/dbms/mssqlserver/fingerprint.py
index a28cee358..5ce6b10a8 100644
--- a/plugins/dbms/mssqlserver/fingerprint.py
+++ b/plugins/dbms/mssqlserver/fingerprint.py
@@ -65,9 +65,7 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(MSSQL_ALIASES) \
-           or (conf.dbms or "").lower() in MSSQL_ALIASES) and Backend.getVersion() and \
-           Backend.getVersion().isdigit():
+        if not conf.extensiveFp and Backend.isDbmsWithin(MSSQL_ALIASES):
             setDbms("%s %s" % (DBMS.MSSQL, Backend.getVersion()))
 
             self.getBanner()
diff --git a/plugins/dbms/mysql/fingerprint.py b/plugins/dbms/mysql/fingerprint.py
index 51ac45a86..2da4ff36d 100644
--- a/plugins/dbms/mysql/fingerprint.py
+++ b/plugins/dbms/mysql/fingerprint.py
@@ -150,9 +150,7 @@ class Fingerprint(GenericFingerprint):
         * http://dev.mysql.com/doc/refman/6.0/en/news-6-0-x.html (manual has been withdrawn)
         """
 
-        if not conf.extensiveFp and (Backend.isDbmsWithin(MYSQL_ALIASES) \
-           or (conf.dbms or "").lower() in MYSQL_ALIASES) and Backend.getVersion() and \
-           Backend.getVersion() != UNKNOWN_DBMS_VERSION:
+        if not conf.extensiveFp and Backend.isDbmsWithin(MYSQL_ALIASES):
             setDbms("%s %s" % (DBMS.MYSQL, Backend.getVersion()))
 
             if Backend.isVersionGreaterOrEqualThan("5"):
diff --git a/plugins/dbms/oracle/fingerprint.py b/plugins/dbms/oracle/fingerprint.py
index 0d6365329..fbcc7aae7 100644
--- a/plugins/dbms/oracle/fingerprint.py
+++ b/plugins/dbms/oracle/fingerprint.py
@@ -58,7 +58,7 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(ORACLE_ALIASES) or (conf.dbms or "").lower() in ORACLE_ALIASES):
+        if not conf.extensiveFp and Backend.isDbmsWithin(ORACLE_ALIASES):
             setDbms(DBMS.ORACLE)
 
             self.getBanner()
diff --git a/plugins/dbms/postgresql/fingerprint.py b/plugins/dbms/postgresql/fingerprint.py
index 0dd45aa16..c40ffbc0c 100644
--- a/plugins/dbms/postgresql/fingerprint.py
+++ b/plugins/dbms/postgresql/fingerprint.py
@@ -63,7 +63,7 @@ class Fingerprint(GenericFingerprint):
         * http://www.postgresql.org/docs/9.1/interactive/release.html (up to 9.1.3)
         """
 
-        if not conf.extensiveFp and (Backend.isDbmsWithin(PGSQL_ALIASES) or (conf.dbms or "").lower() in PGSQL_ALIASES):
+        if not conf.extensiveFp and Backend.isDbmsWithin(PGSQL_ALIASES):
             setDbms(DBMS.PGSQL)
 
             self.getBanner()
diff --git a/plugins/dbms/sqlite/fingerprint.py b/plugins/dbms/sqlite/fingerprint.py
index d262fbe21..35b8eeb76 100644
--- a/plugins/dbms/sqlite/fingerprint.py
+++ b/plugins/dbms/sqlite/fingerprint.py
@@ -64,7 +64,7 @@ class Fingerprint(GenericFingerprint):
         * http://www.sqlite.org/cvstrac/wiki?p=LoadableExtensions
         """
 
-        if not conf.extensiveFp and (Backend.isDbmsWithin(SQLITE_ALIASES) or (conf.dbms or "").lower() in SQLITE_ALIASES):
+        if not conf.extensiveFp and Backend.isDbmsWithin(SQLITE_ALIASES):
             setDbms(DBMS.SQLITE)
 
             self.getBanner()
diff --git a/plugins/dbms/sybase/fingerprint.py b/plugins/dbms/sybase/fingerprint.py
index cd9ff8cb7..919f64ce6 100644
--- a/plugins/dbms/sybase/fingerprint.py
+++ b/plugins/dbms/sybase/fingerprint.py
@@ -58,9 +58,7 @@ class Fingerprint(GenericFingerprint):
         return value
 
     def checkDbms(self):
-        if not conf.extensiveFp and (Backend.isDbmsWithin(SYBASE_ALIASES) \
-           or (conf.dbms or "").lower() in SYBASE_ALIASES) and Backend.getVersion() and \
-           Backend.getVersion().isdigit():
+        if not conf.extensiveFp and Backend.isDbmsWithin(SYBASE_ALIASES):
             setDbms("%s %s" % (DBMS.SYBASE, Backend.getVersion()))
 
             self.getBanner()
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index cd3699687..04f298242 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -26,7 +26,7 @@ dc386321e8813788f155dc557a78be8d  lib/controller/controller.py
 310efc965c862cfbd7b0da5150a5ad36  lib/controller/__init__.py
 19905ecb4437b94512cf21d5f1720091  lib/core/agent.py
 6cc95a117fbd34ef31b9aa25520f0e31  lib/core/bigarray.py
-7d9c202d105cc08d2c3785d0f2f45a20  lib/core/common.py
+623cac235089d94276a190882a277e90  lib/core/common.py
 5065a4242a8cccf72f91e22e1007ae63  lib/core/convert.py
 a8143dab9d3a27490f7d49b6b29ea530  lib/core/data.py
 7936d78b1a7f1f008ff92bf2f88574ba  lib/core/datatype.py
@@ -45,7 +45,7 @@ a8143dab9d3a27490f7d49b6b29ea530  lib/core/data.py
 d8e9250f3775119df07e9070eddccd16  lib/core/replication.py
 785f86e3f963fa3798f84286a4e83ff2  lib/core/revision.py
 40c80b28b3a5819b737a5a17d4565ae9  lib/core/session.py
-4e5e1afc5d5ec92b15f7b4ab1a408dd6  lib/core/settings.py
+4a0a70820c9820b620b719868d2ef06a  lib/core/settings.py
 d91291997d2bd2f6028aaf371bf1d3b6  lib/core/shell.py
 2ad85c130cc5f2b3701ea85c2f6bbf20  lib/core/subprocessng.py
 afd0636d2e93c23f4f0a5c9b6023ea17  lib/core/target.py
@@ -118,35 +118,35 @@ caeea96ec9c9d489f615f282259b32ca  lib/utils/timeout.py
 b90aae84100a6c4c2bd5eeb4197fbc6e  plugins/dbms/access/connector.py
 a71f7c8ffcb9b250cc785cad830e8980  plugins/dbms/access/enumeration.py
 38a0c758d9b86915fce894b779e79e4d  plugins/dbms/access/filesystem.py
-818482929a68a270bc4331cf6c436d13  plugins/dbms/access/fingerprint.py
+fe34217a0b79ac25e3af007dd46cd340  plugins/dbms/access/fingerprint.py
 5a691580a59eca29bae2283b57682025  plugins/dbms/access/__init__.py
 c12f4f266830636462eac98e35ebb73e  plugins/dbms/access/syntax.py
 3fc75c350a30597962bc692c973eeeb3  plugins/dbms/access/takeover.py
 a763887d6e6e99c5a73d9cf450cd84fe  plugins/dbms/db2/connector.py
 9d54e01e1576a423159f0e47aeb2837a  plugins/dbms/db2/enumeration.py
 667e50aa06883f0f194bef335015d694  plugins/dbms/db2/filesystem.py
-d82e641f156d7c0fe015510a2f593b16  plugins/dbms/db2/fingerprint.py
+9c6ef13c056a256e4704b924af0d7cc6  plugins/dbms/db2/fingerprint.py
 35ed6e262cf68d4ab2c6111dd5fb0414  plugins/dbms/db2/__init__.py
 ce8bc86383f2ade41e08f2dbee1844bf  plugins/dbms/db2/syntax.py
 744fb5044f2b9f9d5ebda6e3f08e3be7  plugins/dbms/db2/takeover.py
 b8dcd6e97166f58ee452e68c46bfe2c4  plugins/dbms/firebird/connector.py
 147afe5f4a3d09548a8a1dbc954fe29e  plugins/dbms/firebird/enumeration.py
 4e421504f59861bf1ed1a89abda583d1  plugins/dbms/firebird/filesystem.py
-fc6fdb1fb1be84db541995c87746efe1  plugins/dbms/firebird/fingerprint.py
+bbd239cd27b35c2fbd29443f0af5d973  plugins/dbms/firebird/fingerprint.py
 f86ace7fcaea5ff3f9e86ab2dce052c5  plugins/dbms/firebird/__init__.py
 04f7c2977ab5198c6f4aa6233b872ae0  plugins/dbms/firebird/syntax.py
 1cb1ab93e4b8c97e81586acfe4d030a2  plugins/dbms/firebird/takeover.py
 3a97bd07cce66bc812309341e7b54697  plugins/dbms/hsqldb/connector.py
 015281fb8f96dbade0d2e30fc8da9c4c  plugins/dbms/hsqldb/enumeration.py
 c0b14e62e1ecbb679569a1abb9cf1913  plugins/dbms/hsqldb/filesystem.py
-205ec651547b3fef04afc9580ab35672  plugins/dbms/hsqldb/fingerprint.py
+82304c5d7b06bb564dcdd8cda84dbeae  plugins/dbms/hsqldb/fingerprint.py
 0b18e3cf582b128cf9f16ee34ef85727  plugins/dbms/hsqldb/__init__.py
 65e8f8edc9d18fe482deb474a29f83ff  plugins/dbms/hsqldb/syntax.py
 0a1584e2b01f33abe3ef91d99bafbd3f  plugins/dbms/hsqldb/takeover.py
 f8eaeb71239369e6ceff47596439871b  plugins/dbms/informix/connector.py
 989e75a65503dd648a45258217ae3371  plugins/dbms/informix/enumeration.py
 667e50aa06883f0f194bef335015d694  plugins/dbms/informix/filesystem.py
-df241894bc46576590fae7809650aa58  plugins/dbms/informix/fingerprint.py
+f06d263b2c9b52ea7a120593eb5806c4  plugins/dbms/informix/fingerprint.py
 859d2ed1e0c1b8a1b92c8b2044e6afc5  plugins/dbms/informix/__init__.py
 0aa8ec7b83435a1ecec19c5320728051  plugins/dbms/informix/syntax.py
 744fb5044f2b9f9d5ebda6e3f08e3be7  plugins/dbms/informix/takeover.py
@@ -154,49 +154,49 @@ df241894bc46576590fae7809650aa58  plugins/dbms/informix/fingerprint.py
 e50b624ff23c3e180d80e065deb1763f  plugins/dbms/maxdb/connector.py
 cbd90f22ce862409fe392e65f0ea94ac  plugins/dbms/maxdb/enumeration.py
 815ea8e7b9bd714d73d9d6c454aff774  plugins/dbms/maxdb/filesystem.py
-30ace2bbd22cf6152e4a7e9d8176bdc1  plugins/dbms/maxdb/fingerprint.py
+017c723354eff28188773670d3837c01  plugins/dbms/maxdb/fingerprint.py
 c03001c1f70e76de39d26241dfcbd033  plugins/dbms/maxdb/__init__.py
 e6036f5b2e39aec37ba036a8cf0efd6f  plugins/dbms/maxdb/syntax.py
 0be362015605e26551e5d79cc83ed466  plugins/dbms/maxdb/takeover.py
 e3e78fab9b5eb97867699f0b20e59b62  plugins/dbms/mssqlserver/connector.py
 a7ed0510e47384eaf93164d53e2b6b36  plugins/dbms/mssqlserver/enumeration.py
 8554437c437052c30237be170ba8ce3a  plugins/dbms/mssqlserver/filesystem.py
-4e4bb17dfb175b5f6485d7513e4c8fb1  plugins/dbms/mssqlserver/fingerprint.py
+13cb15e8abfb05818e6f66c687b78664  plugins/dbms/mssqlserver/fingerprint.py
 40bd890988f9acd3942255d687445371  plugins/dbms/mssqlserver/__init__.py
 400ce654ff6bc57a40fb291322a18282  plugins/dbms/mssqlserver/syntax.py
 20c669e084ea4d6b968a5834f7fec66c  plugins/dbms/mssqlserver/takeover.py
 48fb283a0dbf980495ca054f7b55783f  plugins/dbms/mysql/connector.py
 7fe94b803fa273baf479b76ce7a3fb51  plugins/dbms/mysql/enumeration.py
 1bd5e659962e814b66a451b807de9110  plugins/dbms/mysql/filesystem.py
-e9076fe684eb3fe037f945601c7017f0  plugins/dbms/mysql/fingerprint.py
+63c3c3fe3f1d4bc8f639fe5fcdbebc3c  plugins/dbms/mysql/fingerprint.py
 42568a66a13a43ed46748290c503a652  plugins/dbms/mysql/__init__.py
 96dfafcc4aecc1c574148ac05dbdb6da  plugins/dbms/mysql/syntax.py
 33b2dc28075ab560fd8a4dc898682a0d  plugins/dbms/mysql/takeover.py
 ea4b9cd238075b79945bd2607810934a  plugins/dbms/oracle/connector.py
 3a08ef0037de6df9f9a92ec5b126d705  plugins/dbms/oracle/enumeration.py
 dc5962a1d4d69d4206b6c03e00e7f33d  plugins/dbms/oracle/filesystem.py
-d19215a6aee5d04d67ee67eb2cac9893  plugins/dbms/oracle/fingerprint.py
+525381f48505095b14e567c1f59ca9c7  plugins/dbms/oracle/fingerprint.py
 25a99a9dd7072b6b7346438599c78050  plugins/dbms/oracle/__init__.py
 783d4795fac75f73a7cfba3cd9c3d01c  plugins/dbms/oracle/syntax.py
 c05176f6efe66069756fb78dfa0ed3f6  plugins/dbms/oracle/takeover.py
 e087d54b9b2617a9f40be15a2bd478c2  plugins/dbms/postgresql/connector.py
 8377c5ab3de500f9a495fcd9e2a75d3e  plugins/dbms/postgresql/enumeration.py
 48822058c620ffaa2acc599b4d39c667  plugins/dbms/postgresql/filesystem.py
-1d514afa3106fa5fbd6fa2dd33970917  plugins/dbms/postgresql/fingerprint.py
+c10df993e8b243ba3d6a94e8ae28a875  plugins/dbms/postgresql/fingerprint.py
 a3a4e82e9a68329c44762897c87acfec  plugins/dbms/postgresql/__init__.py
 76bde1ffb3040ae709156449a583e9ed  plugins/dbms/postgresql/syntax.py
 286f95526a6ce0b8ae9bff6fc3117af0  plugins/dbms/postgresql/takeover.py
 719fdd12e360458e822950f245d67ad0  plugins/dbms/sqlite/connector.py
 28b9d7d0614e52275a30b5a57fc76027  plugins/dbms/sqlite/enumeration.py
 954e503cfc8dd1acf9fc50868f5dafb0  plugins/dbms/sqlite/filesystem.py
-60febaa44bd2fe5919e80e3bd7f0c2dd  plugins/dbms/sqlite/fingerprint.py
+ee430d142fa8f9ee571578d0a0916679  plugins/dbms/sqlite/fingerprint.py
 6b17cc8cc94a912a0a5cf15acbad5ba4  plugins/dbms/sqlite/__init__.py
 4827722159a89652005f49265bb55c43  plugins/dbms/sqlite/syntax.py
 02ab8ff465da9dd31ffe6a963c676180  plugins/dbms/sqlite/takeover.py
 e3e78fab9b5eb97867699f0b20e59b62  plugins/dbms/sybase/connector.py
 a7f4d3a194f52fbb4fb4488be41273b1  plugins/dbms/sybase/enumeration.py
 62d772c7cd08275e3503304ba90c4e8a  plugins/dbms/sybase/filesystem.py
-9e3e9a1f8dd491a95e833155a4157662  plugins/dbms/sybase/fingerprint.py
+deed74334b637767fc9de8f74b37647a  plugins/dbms/sybase/fingerprint.py
 45436a42c2bb8075e1482a950d993d55  plugins/dbms/sybase/__init__.py
 89412a921c8c598c19d36762d5820f05  plugins/dbms/sybase/syntax.py
 654cd5e69cf5e5c644bfa5d284e61206  plugins/dbms/sybase/takeover.py