Testing DDoS websites: methods and techniques

Latest Update: 24/05/2024

Testing DDoS websites: methods and techniques

In 2021, in Vietnam alone, there were 24,820 websites attacked by hackers taking advantage of unsafe vulnerabilities for fraud or forgery. Distributed denial of service attacks by hackers is increasingly sophisticated, causing serious consequences for businesses. Therefore, it is very important to protect your business against DDoS attacks. Let’s learn with VNETWORK how to test DDoS resistance by testing DDoS Websites.

What is DDoS Web?

DDoS (Distributed Denial of Service) stands for distributed denial of service. The attack form of hackers aims to exhaust the resources of the server system and overload the bandwidth traffic. Thereby, causing the user’s access to the server to be interrupted, the website or even an entire intranet system to be downtime for some time.

DDoS Web methods that hackers often do

The DDoS attack aims to take over the system’s resources, causing the response to service requests to be interrupted. Another purpose of a distributed denial-of-service attack is to be able to launch another, more dangerous attack, typically session hijacking. Here are the three most basic attacks:

  • Volume-based attack: use high traffic to overflow network bandwidth.
  • Protocol attack: this DDoS attack is mainly to collect server resources.
  • Application attack: this is the most sophisticated and dangerous type of attack when targeting web applications.

Testing DDoS websites: methods and techniques

Testing DDoS website

Hackers also develop many other forms of attack to optimize the purpose of attacking each different target such as:

  • SYN Flood:

The attack exploits a weakness in the TCP connection string. This causes requests to fall into a loop, burdening the number of resources.

User Datagram Protocol Flood:

A UDP flood attack can be initiated by sending a large number of UDP packets to a random port on the remote server, resulting in the server losing the ability to process client requests. often lead to denial of service.

  • HTTP Flood:

This form of attack as a legitimate GET or POST vulnerability is exploited by hackers.

  • Ping of Death:

The hacker performs the attack by sending malicious code to the system using the IP range that has been previously taken over.

  • Application Level Attack:

The target of this type of attack is the application’s weak points, not the server.

  • Advanced Persistent Dos (APDos):

This attack has serious consequences, with the duration of the attack depending on the hacker’s ability to switch tricks to evade security protection.

  • Zero-day DDoS Attack:

The “Zero Day” based attack is simply an attack method that has not been patched or previously documented. This is a general term used to describe new vulnerabilities and new exploits

Popular Game server DDoS tools

Currently, the game industry has shifted its structure to the online form, from the development of the MMO genre to the intermediary services such as Steam or Garena, even offline games also have Multiplayer mode to ensure results. Connect multiple players. This inadvertently makes Game servers a target for hackers when during peak hours the server has to handle too many hits compared to the allowed number.

The DDoS server game tools that hackers often use:

  • SOIC strong Orbit cans Cannon
  • Mummy Ghost DDoS (v1.4)
  • NinjaGhost - UDP Flooder
  • Zaps UDP Flooder (v1)
  • NetDestroyer (v1)
  • Server Fluder
  • Anony V2.8
  • SMG Doser

Free DDoS Tool Online

Low Orbit ION cannon

LOIC stands for Low Orbit ION cannon is an open-source tool and is commonly used in DDoS attacks. This tool will make HTTP, TCP, and UDP requests to specified servers.


  • Create an online DDoS attack that penetrates any Web site.
  • LOIC does not hide the IP address even if the Proxy server is down.
  • Perform a full test to verify the stability of the system.

High Orbit ION cannon

High Orbit ION Cannon (HOIC) comes from Sourceforge like LOIC, this tool is designed with the ability to attack multiple URLs at once. This tool performs the attack mainly using the HTTP method.


  • Compatible with Linux and Mac OS operating systems.
  • Ability to attack up to 256 websites at once.
  • Ability to choose the number of threads executing the attack.
  • The ability to aggregate and calculate the results occurs.
  • Ability to adjust low, medium, and high attack levels.
  • And a few other types of DDoS tools such as SolarWinds SEM Tool, HULK, Tor’s Hammer, Slowloris,…

Tool DDoS Web using Termux

Termux is an Android application with a command-line emulator function, which can work directly without interfering with root privileges. On the other hand, Termux add-on packages can be installed using the APT app store manager, which is hosted by For Bintray and only works on Android 5.0.


  • Supports bash and zsh shells.
  • Edit files with nano and vim.
  • Access the server using ssh.
  • C programming language with clang, make, and gdb.
  • Python Support
  • Supports git and subversion.
  • Game support on frotz platform.

The included Termux app integrations are hacking tools like hydra or Nmap. The application also comes pre-installed with compilers like Clan, Rust, Go, etc., and interpreters like Bash. Perl. Python,… The special thing is that Termux can also DDoS your Website with Metasploit-framework, this is a tool written in Ruby used to attack and exploit vulnerabilities in different types of systems (Windows/Linux/Cisco/WordPress/….)

To overcome the situation of being attacked that disrupts access as well as minimize the damage caused by cybercriminals to businesses, let’s learn with VNETWORK how to effectively fight DDoS Websites.

How to fight DDoS Website with all forms of DDoS

Invest in computer networking hardware:

High-quality computer networking hardware will help you detect unexpected attacks and possibly stop them. Then, you can install a network firewall to block invalid requests from the outside. This is the right approach for businesses using local networks.

Dealing with Website Vulnerabilities:

A healthy website with all its security weaknesses is less likely to fall victim to DDoS attacks.

Increase bandwidth capacity and server:

DDoS attack mainly sends a large amount of invalid traffic flooding the bandwidth of the Website. To overcome that situation, you can upgrade bandwidth and buy more server capacity.

Example: If your website can handle 1 million requests and that DDoS attack only has 700,000 requests, your website will still work fine.

Distributed infrastructure:

This will make it difficult for hackers when they want to target your Website, the geographical distribution of servers located in many different countries and comes with a load balancing system will help balance the transmission traffic.

Using WAF and CDN:

This is the best anti-DDoS method available today, WAF (Web application firewall) helps you detect and prevent attacks by monitoring the traffic to the website. And CDN (Content Delivery Network) can balance the traffic on the website by distributing them to many PoPs (Points of Presence) servers, the data will continue to be sent to the end-user.

VNIS of VNETWORK will bring a comprehensive solution to protect your website against DDoS Website attacks. Features include Layer 3/4/7 comprehensive DDoS protection, up to 2,600Tbps attack traffic. Besides, Multi-CDN 404 technologyin 32 countries (with more than 2,300 PoPs in the world) ensures your Website works continuously even under attack. The RUM (Real User Monitoring) system collects, analyzes, and reports real user interactions with the Website combined with AI Load Balancing technology, intelligent load balancing, and coordinates traffic.

Especially VNIS also can help your Website resist the top 10 OWASP security vulnerabilities such as Injection, XSS Cross-Site Scripting, Insecure Direct Object References,… To use VNIS’s services, please reach out to us via our hotline: (028) 7306 8789 or or email to for expert support and consultation.

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