HeiMy DC has just sent me notice that two of my IP addresses from the allocated subnets are responsible for amplifying DDOS attacks. One out of the two is my virtual router IP address. I was advised to firewall port 53 or deactivate recursive functions. Can you perhaps provide some in sight on how this could be possible?
The second IP address, I see under the guest networks that it is "Allocated" but I have reviewed all my SystemVMs and all my virtual routers, none of them have that IP address assigned. Nor any VM instance either. Its assigned to something but I cannot tell what. Is there a better way for me to see what server/service uses this IP in Cloudstack, please.
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