Anti-DDos setup for our dedicated servers

A DDoS attack aims to render a server, service or an infrastructure unavailable by overloading the server's bandwidth or monopolising its resources until the point of depletion.
During a DDoS 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.
Our Datacenter offers a mitigation solution based on the VAC technology, which involves an exclusive combination of techniques to:
  1. Analyse all packets at high speed in real time
  2. Vacuum your server's incoming traffic
  3. Mitigatei.e. singling out all the illegitimate IP packets, while allowing legitimate ones to pass through
     

How we stop an attack?:


1) The server is operational - no attack

Internet-based services are used without any problem. The traffic passes through the backbone of our network then arrives at the datacentre. Finally it is handled by the server that sends back the responses over the internet.

2) The DDoS attack begins

the attack is launched via the internet and on the backbone. Given the surplus capacity of the bandwidth on the backbone, the attack will not cause saturation on any link. The attack reaches the server, which begins to handle the initial attack. At the same time, analysis of the traffic flags up that an attack is underway and thus triggers the mitigation.

3) Mitigation of the attack

Between 15 and 120 seconds after the attack has started, the mitigation is activated. The traffic coming in towards the server is vacuumed up by the 3 VACs, with a total mitigation capacity of 480 Gbps (3 x 160 Gbps), hosted in 3 datacentres. The attack is blocked without duration or size limits, nor any other type of limit. Legitimate traffic passes through the VAC to finally reach the server. The server responds directly without passing through the VAC again. This process is called auto-mitigation.

4) End of the attack

Generating an attack is costly, and even more so when it is ineffective. After a certain time has passed, the attack will come to an end. Auto-mitigation is maintained for 26 hrs after the attack has ended. This means any new attack that occurs within a few minutes, a few hours or 24 hours will be blocked. After just 26 hours, auto-mitigation is disabled, but it remains ready to be reactivated on detection of a new attack.


Ddos Protection - Standard - Free! Included with every server

  • Number of Attacks per Month: Unlimited
  • Gbps limit of attack: Unlimited
  • Duration of attacks per month: Unlimited
  • Type of attacks handled: All
  • Detection and Auto-Mitigation
  • 3TBps Surplus Network
  • Firewall Network
  • Tilera
  • Arbor


Ddos Protection - Pro - Included with Professtional Servers + Selected Servers

  • Number of Attacks per Month: Unlimited
  • Gbps limit of attack: Unlimited
  • Duration of attacks per month: Unlimited
  • Type of attacks handled: All
  • Detection and Auto-Mitigation
  • Permanent Mitigation
  • Configurable Firewall
  • 3TBps Surplus Network
  • Firewall Network
  • Tilera
  • Arbor - Customizable


Read Terms of Anti-DDos service here: www.crookservers.com/terms.php

*Please Note: Anti-DDOS service is only available on servers located in our france & canada datacenters..

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