[AusNOG] Brisbane Telstra DNS issues

Heinz N ausnog at equisoft.com.au
Thu Jun 13 10:56:06 EST 2013


> If I had to hazard a guess,  with a very high number of DNS/UDP based
> attacks going on at the moment, I?d say UDP was being blocked at
> Egress/ingress at Telstra?s Edge by a ?security? device that is
> misclassifying UDP/DNS.

Yesterday, at the height of all of this, I lost all ingress & egress UDP 
for about 4 minutes. Not TCP or ICMP, just UDP. I am in Melb on an ISP 
using Telstra backhaul from my exchange. At times the UDP seemed to 
throttle, but seems OK thus far today.

H.


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