DDoS, short for distributed denial of service, is a form of attack in which multiple compromised networks/hosts are used to target a single system. Organizations need to seriously consider the fact that even if they have sufficient protection against DDoS attacks, their business could be taken out of service or offline if theirInternet Service Provider(ISP), hosting provider orDomain Name Service(DNS) provider does not have sufficient DDoS protection. In this section, we are going to discuss the old ISP mechanism and we will also focus on discussing the new automated mechanism.
Do you recall days when network admins used to call internet service providers to mitigate DDoS attacks? Remotely-Triggered Black Hole (RTBH) routing is an interesting application of Border Gateway Protocol (BGP) as a security tool within service provider networks. One common use for RTBH is mitigation of DDoS attacks. RTBH provides two methods:
- Source-based...