D/DoS mitigation hardware/software needed.
nanog at shreddedmail.com
Mon Jan 4 21:59:50 UTC 2010
Several responses already, and Arbor has poked their head up.
I'm going to start there and keep the other suggestions at-hand.
On Mon, Jan 4, 2010 at 1:19 PM, Rick Ernst <nanog at shreddedmail.com> wrote:
> Looking for D/DoS mitigation solutions. I've seen Arbor Networks mentioned
> several times but they haven't been responsive to literature requests (hint,
> if anybody from Arbor is looking...). Our current upstream is 3x GigE from
> 3 different providers, each landing on their own BGP endpoint feeding a
> route-reflector core.
> I see two possible solutions:
> - Netflow/sFlow/***Flow feeding a BGP RTBH
> - Inline device
> Netflow can lag a bit in detection. I'd be concerned that inline devices
> add an additional point of failure. I'm worried about both failing-open
> (e.g. network outage) and false-positives.
> My current system is a home-grown NetFlow parser that spits out syslog to
> our NOC to investigate potential attacks and manually enter them into our
> Any suggestions other than Arbor? Any other mechanisms being used? My
> idea is to quash the immediate problem and work additional mitigation with
> upstreams if needed.
> I could probably add some automation to my NetFlow/RTBH setup, but I still
> need to worry about false-positives. I'd rather somebody else do the hard
> work of finding the various edge-cases.
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