--- /usr/share/pyshared/univention/management/console/protocol/server.py.orig
+++ /usr/share/pyshared/univention/management/console/protocol/server.py
@@ -327,6 +327,8 @@ class Server(signals.Provider):
 			self.crypto_context = SSL.Context(SSL.SSLv23_METHOD)
 			self.crypto_context.set_cipher_list('DEFAULT')
 			self.crypto_context.set_options(SSL.OP_NO_SSLv2)
+			if ucr['umc_no_ssl3']:
+				self.crypto_context.set_options(SSL.OP_NO_SSLv3)
 			self.crypto_context.set_verify(SSL.VERIFY_PEER, self.__verify_cert_cb)
 			dir = '/etc/univention/ssl/%s.%s' % (ucr['hostname'], ucr['domainname'])
 			try: