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How to Protect TCP Middlebox Reflection

rockbd
Level 1
Level 1

Hi All

Hope you are doing fine.

Recently I came across a DoS-related article which is as follows

https://geneva.cs.umd.edu/posts/usenix21-weaponizing-censors/

Can anyone help me Protect TCP Middlebox Reflection by Cisco Firewall or any other solution like mail or web gateway of Cisco?

2 Replies 2

Gary25Bell
Level 1
Level 1

The attack, amplified with a technique called TCP Middlebox Reflection, abuses vulnerable firewalls and content filtering systems to reflect and amplify TCP traffic to a victim machine, creating a powerful DDoS attack.

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Can you tell me how to block or protect the network? The following link asks to create firewall rules. Is the firewall rules sufficient for the Cisco firewall? If it is, how to do that in the Cisco firewall

https://geneva.cs.umd.edu/posts/usenix21-weaponizing-censors/

Thanks in advance.

 

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