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Sarah6
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Multicast DNS

Received letter about having a potential Multicast DNS vulnerability. Followed guidelines. Spoke with VM no one can give me any answers? What is it?
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Superuser
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Re: Multicast DNS

In a sentence, an organisation called Shadowserver is scanning the internet for open name services like mDNS and alerting whoever owns that IP address (range) of the potentially risk of an attacker using it to overwhelm a victim's server(s) and knock them off the internet.

There is a recent thread already on this topic here, Multicast DNS vulnerability

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