Re: DDoS attack

[Alain Hebert <ahebert () pubnix net>]

    <snarky remark> BCP38 <more snarky remarks>

    After all this time and knowledge why people still think <source 
ip> are legit evidence in DDoS instances...

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Alain Hebert                                ahebert () pubnix net
PubNIX Inc.
50 boul. St-Charles
P.O. Box 26770     Beaconsfield, Quebec     H9W 6G7
Tel: 514-990-5911  http://www.pubnix.net    Fax: 514-990-9443

On 2019-12-09 15:15, Tim Požár wrote:
> This is lame.  They should be able to view NAT translation tables or
> better yet have some method of watching flows.
>
> Tim
>
> On 12/9/19 12:11 PM, Christopher Morrow wrote:
> > I'd note that: "what prefixes?" isn't answered here... like: "what is
> > the thing on your network which is being attacked?"
> >
> > On Mon, Dec 9, 2019 at 3:08 PM ahmed.dalaali () hrins net
> > <ahmed.dalaali () hrins net> wrote:
> > > Dear All,
> > >
> > > My network is being flooded with UDP packets, Denial of Service attack, soucing from Cloud flare and Google IP 
> > > Addresses, with 200-300 mbps minimum traffic, the destination in my network are IP prefixes that is currnetly not used 
> > > but still getting traffic with high volume.
> > > The traffic is being generated with high intervals between 10-30 Minutes for each time, maxing to 800 mbps
> > > When reached out cloudflare support, they mentioned that there services are running on Nat so they can’t pin out which 
> > > server is attacking based on ip address alone, as a single IP has more than 5000 server behind it, providing 1 source 
> > > IP and UDP source port, didn’t help either
> > > Any suggestions?
> > >
> > > Regards,
> > > Ahmed Dala Ali