Dnsmasq[46769]: possible DNS-rebind attack detected ?

[bmironb]

I saw this in my sistem logs menu? what this means

Mar 5 12:30:11 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:11 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:15 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:15 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:22 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:22 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:30 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:30 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:38 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:38 dnsmasq[46769]: possible DNS-rebind attack detected: static.oanam.okazii.newdev.ro
Mar 5 12:30:47 dnsmasq[46769]: possible DNS-rebind attack detected: okazii.newdev.ro
Mar 5 12:30:47 dnsmasq[46769]: possible DNS-rebind attack detected: okazii.newdev.ro

[jimp]

It means that your upstream DNS server (Whatever is under System > General) is giving back private IPs for those hostnames. So you may need to disable the DNS rebinding protection under System > Advanced to get those responses.