@@ -116,6 +116,7 @@ class Config(object):

     expiry_days = ""

     expiry_date = ""

     expiry_prefix = ""

+    signature_v2 = False

     ## Creating a singleton

     def __new__(self, configfile = None, access_key=None, secret_key=None):

@@ -153,7 +153,7 @@ class S3Request(object):

             h += "/" + self.resource['bucket']

         h += self.resource['uri']

-        if self.resource['bucket'] is None or not check_bucket_name_dns_conformity(self.resource['bucket']):

+        if self.resource['bucket'] is None or not check_bucket_name_dns_conformity(self.resource['bucket']) or self.s3.config.signature_v2:

             # in case of bad DNS name due to bucket name v2 will be used

             # this way we can still use capital letters in bucket names for the older regions

             debug("Using signature v2")

@@ -2230,6 +2230,7 @@ def main():

     optparser.add_option("--ca-certs", dest="ca_certs_file", action="store", default=None, help="Path to SSL CA certificate FILE (instead of system default)")

     optparser.add_option("--check-certificate", dest="check_ssl_certificate", action="store_true", help="Check SSL certificate validity")

     optparser.add_option("--no-check-certificate", dest="check_ssl_certificate", action="store_false", help="Check SSL certificate validity")

+    optparser.add_option("--signature-v2", dest="signature_v2", action="store_true", help="Use AWS Signature version 2 instead of newer signature methods. Helpful for S3-like systems that don't have AWS Signature v4 yet.")

     optparser.set_usage(optparser.usage + " COMMAND [parameters]")

     optparser.set_description('S3cmd is a tool for managing objects in '+