Hello, Today i saw my bind eat almost 90% of RAM when i check logs I find interesting DDoS on my DNS Cluster today: 16-May-2016 16:47:47.467 client 8X.1X0.3Y.40#44968: query: 323.016.231.212 IN AAAA + (8X.1X0.Y.Y) 16-May-2016 16:47:47.467 client 8X.1X0.3Y.40#44968: slip response to 8X.1X0.33.0/24 for . IN AAAA (00000000) 16-May-2016 16:47:47.467 client 8X.1X0.3Y.40#38600: query: 235.326.031.064 IN AAAA + (8X.1X0.Y.Y) 16-May-2016 16:47:47.467 client 8X.1X0.3Y.40#38600: drop response to 8X.1X0.33.0/24 for . IN AAAA (00000000) 16-May-2016 16:47:47.467 client 8X.1X0.3Y.40#51399: query: 331.206.372.214 IN AAAA + (8X.1X0.Y.Y) 16-May-2016 16:47:47.467 client 8X.1X0.3Y.40#51399: slip response to 8X.1X0.33.0/24 for . IN AAAA (00000000)
Looks like IN AAAA query about wrong IPv4 address... i got almost 5000/sec Anyone saw this too? Best Regards Marek _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users