The security is issue in online applications. Online transactions are increasing day by day due to internet but the attack are also increasing in same propotion due to poor architecture of the system , improper validations of the system. The modification in input query by the intruder leads to major damage to the database. Many tools and products were developed to avoid this but no approach was satisfactory to prevent these. A load balancer plugin filter approach is used in this paper to prevent all types of web attacks . The load balancing approach is used to balance the load on server when no of request increases which improves efficiency and security of the systems