Its been a long time since I have seen one our network have an attack like that but we try do all we can to prevent this by doing levels of route filtering and firewall filtering. It can easily happen with a router like a customers mikrotik with no rule to drop incoming dns request to the router.

On 01/26/2015 01:02 PM, TJ Trout wrote:

I usually use mikrotik torch to find the victim ip and have my upstream null it, what options are available for mitigation besides null routing at the upstream provider ?

On Jan 26, 2015 10:50 AM, "timothy steele" <[email protected] <mailto:[email protected]>> wrote:

    What filter do you guys use on wireshark to find a DDOS attack?
    It's been about 7yrs sense I've done that so I'm a bit rusty..

    Thanks,

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