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how can I filter dns fragment packet base on mx480 router?

  • 1.  how can I filter dns fragment packet base on mx480 router?

    Posted 05-07-2021 04:08
    Hi expert;

    our network under DNS DDOS reflection attack. I want to filter the DNS fragment packet. How can I do it on MX480? The first fragment packet does not contain a UDP port. it only reassembled packet, so we can recognize the DNS packet