Abstract: Social Network is one of the most popular interactive medium to share, communicate and distribute information. It is the platform to build social relations among people. Users have ability to keep in touch with friends by exchanging different types of information or messages. Sometimes people post messages which may cause a serious problem to userís reputation. There is one fundamental issue in Social Network is to give users ability to control the messages posted on their own private space. To avoid the problem of unwanted messages, the proposed system called filter wall able to filter messages from user walls. In order to make social network user wall a secured wall, introducing a rule based system wall as well as Machine Learning approach, neural text classification applied on user wall.

Keywords: On-line Social Networks, Filtered Wall, Machine Learning, Short Text Classifier.