All You Need To Know About DOS Attack

CyberSecurity - DOS Attack

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SimpleSysAdmin.info. Did you have computers that connected to internet? Whether it is in your home on your office. Are you have interest in internet security and ever heard of DoS? Well, DoS is stand for Denial of Service. It is have something to do about cybersecurity and hacking. Here the simple explanation of DoS.

 

What is a DOS Attack?

Denial of Service or DoS attack is a kind of network attack built to flood the target network or machine with an oversized quantity of useless traffic wit purpose to overload it and ultimately make it down as attacker wish. The most objective of DoS attack is to form the services running on the target machine like a website briefly inaccesible for particular users. DoS attacks usually execute on server (web server) that have important services like banking, credit card processing or e-commerce.

 

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A frequent variant of DOS attack recognized as Distributed Denial of Service or DDoS attack has become quite common within the recent days because it is a lot of powerful and difficult to find. A common DoS attack incorporates a single place of origin whereas a DDoS attack originates from multiple IP addresses distributed across much of different network. The operating of a DDoS attack is shown within the following diagram:

DDoS Attack Diagram
DDoS Attack Diagram

 

In DDoS, the attack come from various pre-compromised computers in completely different network and from different geographical locations and the incoming traffic seems very natural and because of that DDoS attack is very difficult to detect. This is very different from a DoS attack where the attacker just need one single computer or a network to attack the target.

 

Protection Against DoS/DDoS Attacks:

DoS attacks will simply be handled by blacklisting the target IP (or vary of IPs) that area unit found to be creating a high requests or connections (in unusual way) to the server. Nonetheless, DDoS attacks are complicated because the incoming requests appear to be natural and distributed. In this case, it’s difficult to discover the difference between the real and malicious traffic. Do something at the firewall level to blacklist suspected IPs, can lead to false positives and could be affect the real traffic too.

 

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Methods Involved in DoS Attack:

Here the commonly used methods in execution of a DoS attack:

 

 

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