Configure Windows Server 2. R2 for DDos Attack. Hi,In my opinion, preventing the attack is way more complicated than just configuring some firewall rules, because we cannot predict from where and how the attack would be attempted. I suggest you follow best practices within this article below Best Practices for Preventing Do. SDenial of Service Attackshttps msdn. Best Regards,Amy. Please remember to mark the replies as answers if they help and un mark them if they provide no help. Intensive Chinese Language Programs Taiwan. If you have feedback for Tech. Net Subscriber Support, contact tnmffmicrosoft. Big Light Houses Mp3. What are DDo. S attacks and how can they be prevented The chances of being targeted by a DDo. S attack are great and attempts are numerous. A DDo. S attack aims to render a server, service or an infrastructure unavailable by overloading the servers bandwidth or monopolizing its resources to the point of depletion. During a DDo. S attack, a multitude of requests are sent simultaneously from multiple points across the internet. The intensity of this crossfire renders the service unstable, or even worse, unavailable. Server Attack Ddos Attack Private' title='Server Attack Ddos Attack Private' />Ddos Attack ToolsDdos abuse server suspend suspension attack script private methods method attack api. DDoS attacks or Distributed Denial of Service attacks are cyberattacks carried out by more than one attacking machine creating an army.