DOS PREVENTION – STEP BY STEP GUIDE


DOS PREVENTION – STEP BY STEP GUIDE

Cyber Security

ORIGINAL CONTENT: https://www.securitynewspaper.com/2019/11/13/dos-prevention-step-by-step-guide/

DOS is the most common attacks which is used by many attackers. DOS (Denial of Service) attacks which flows the bandwidth (data packets), to interrupt the services of victim IP address or URLs. Ethical Hacking researchers of International Institute of Cyber Security stimulated the DOS attack and demonstrated on how to block IP address if there is any DOS attack is occurring.

Fail2Ban is used to block suspicious IP address which are sending multiple requests on Server IP address. Fail2ban scans the logs file & blocks IP addresses which has make too many login attempts. Fail2ban updates the firewall policy to deny new connection from suspicious IP addresses.

Kali Linux – 192.168.1.9
Ubuntu – 192.168.1.8

DOS ATTACK FROM UBUNTU OS

  • Here we will run DOS attack using slowloris. Slowloris is very common tool used in DOS attacks.
  • Open terminal on Ubuntu machine (Attacker)
    • Type sudo apt-get update

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