I have successfully deployed Appian for the first time. Now trying to login usin

I have successfully deployed Appian for the first time. Now trying to login using following credentials
username : Administrator
password: admin
but it returns with a 403 Forbidden error.

Getting below error on jboss once clicked on Submit button after entering credentials.

13:18:24,401 INFO [stdout] (http-/0.0.0.0:8080-3) 2016-02-01 13:18:24,400 [http-/0.0.0.0:8080-3] ERROR com.appiancorp.security.csrf.CsrfChannelProcessor

OriginalPostID-192547

OriginalPostID-192547