What is DDoS? How to limit and prevent DDoS attacks

DDoS is an acronym for Distributed Denial of Service, meaning denying distributed services. It is one of the methods of DoS - Denial of Service, which means denial of service attack. However, DDoS is stronger than DoS because it is distributed from many different IP addresses, making it difficult for users to detect and prevent.

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Basically, DDoS is an effort that makes it impossible for users to use what is inherent in computers or websites. Simply put, DDoS is like trying to 'hack' your website. It takes advantage of security holes and takes control of your computer. Along with that, the information and data will become overloaded, making the server unable to meet service requests from the workstation.

Classification DDOS

Usually DDoS has 2 forms.

1 / DDoS will overload the bandwidth, making it impossible for users to use the service even though there are not many people accessing your website.

2 / DDoS takes up network resources such as memory, bandwidth . with applications, making it impossible for users to access your website.

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The dangers of DDoS

For users, DDoS makes website access speed significantly reduced or even stagnated. At the same time, it also makes the ability to work of a computer, an intranet or a very large network system disabled.

With business or website owners, DDoS will reduce the number and speed of users accessing. That causes website performance to be affected, users will not have a good experience, interact more slowly, causing the website to be demoted.

Signs of DDoS attack

The most obvious sign is that you cannot control access to the website as smoothly as usual. However, in some cases not all service disruptions are caused by DDoS. Here are the symptoms that DDoS is attacking:

1 / The Internet is stable but cannot access the website or open and access files at a very slow speed. However, other websites are still accessible.

2 / A specific website is not accessible.

3 / Any website will not be accessible.

4 / The account receives many unexpected spam.

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What to do when DDoS attacks?

In fact, there is no specific way you can lie completely out of sight of DDoS. However, there are still some simple steps that will help you reduce your risk of being 'visited' by DDoS.

1 / Install and maintain anti-virus software.

2 / Install a firewall, configured to limit traffic to and from your computer.

3 / Follow the safety guidelines for distributing your email address.

4 / Use an email filter to manage unwanted traffic.

If DDoS attacks, seek technical experts for assistance. Because it is difficult for an ordinary person to determine the source or destination of the attack.

ddos

Kareem Winters

Update 10 May 2020

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