At the geographic position the user want the wireless connectivity so wireless network is gaining popularity day by day. To move freely in and out in the network MANET requires the mobile nodes. Wireless links should broken down due to the mobility and changeable transportation because the collection of the mobile nodes in MANET. Major subject and test in MANET is a Routing. We improve performance of routing and consistencies. There are various routing protocol are planned like IAODV and IDSR. Current Work is to make hybrid protocol to control DDOS attack and Black hole attack results will be verified, the routine metrics like delivery of packet division, throughput, and end to end stoppage. Simulation is done in Network Simulator 2 (NS2).