[AusNOG] NTP Reflection coming in over Equinix IX

Joseph Goldman joe at apcs.com.au
Thu Feb 13 16:36:46 EST 2014


Better peering then your actual transit, if you ask me. Cheaper cost :P.

On 13/02/14 16:33, Tom Paseka wrote:
> We (CloudFlare) regularly get hit over peering points, including 
> Equinix IX in Sydney, to the tune of multiple Gbps.
>
>
> On Wed, Feb 12, 2014 at 9:26 PM, Joshua D'Alton <joshua at railgun.com.au 
> <mailto:joshua at railgun.com.au>> wrote:
>
>     Wow further to my last email, looks like a targeted attack then.
>     And with power too, all those hosts have pretty hefty internet
>     connections, well not to mention peering!
>
>
>     On Thu, Feb 13, 2014 at 4:23 PM, James Braunegg
>     <james.braunegg at micron21.com <mailto:james.braunegg at micron21.com>>
>     wrote:
>
>         Dear Seamus
>
>         Your totally correct.. here is a list of some big offenders we
>         have found so far in Australia
>
>         58 DEAKIN-AS-AP Deakin University (AU) (AS7645)
>
>         84 MONASHUNI-AU-AS-AP Monash University, (AU) (AS56132)
>
>         41                  EFTEL-AS-AP Eftel Limited. (AU) (AS10113)
>
>         155 AARNET-AS-AP Australian Academic and Reasearch Network
>         (AARNet) (AU) (AS7575)
>
>         69 UQ-AS-AP University of Queensland (AU) (AS24436)
>
>         (The numbers are the amount of unique IP addresses from each
>         AS within an attack)
>
>         Kindest Regards
>
>         *James Braunegg
>         **P:*1300 769 972  | *M:*  0488 997 207 | *D:*  (03) 9751 7616
>
>         *E:*james.braunegg at micron21.com
>         <mailto:james.braunegg at micron21.com>| *ABN:* 12 109 977 666
>         <tel:12%20109%20977%20666>
>         *W:* www.micron21.com/ddos-protection
>         <http://www.micron21.com/ddos-protection> *T:* @micron21
>
>
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>         *From:*AusNOG [mailto:ausnog-bounces at lists.ausnog.net
>         <mailto:ausnog-bounces at lists.ausnog.net>] *On Behalf Of
>         *Seamus Ryan
>         *Sent:* Thursday, February 13, 2014 4:16 PM
>
>
>         *To:* 'Sean K. Finn'; ausnog at lists.ausnog.net
>         <mailto:ausnog at lists.ausnog.net>
>         *Subject:* Re: [AusNOG] NTP Reflection coming in over Equinix IX
>
>         It has also been happening over NSW-IX the last few days
>         (targeting cloudflare J).
>
>         http://monitor.nsw.ix.asn.au/cacti/graph.php?local_graph_id=64&rra_id=all
>
>
>         Not sure if they are NTP, but the "big" one on Tuesday appears
>         to have sources like AARNET
>
>         http://monitor.nsw.ix.asn.au/cacti/graph.php?local_graph_id=64&rra_id=all
>
>         and Ultraserve:
>
>         http://monitor.nsw.ix.asn.au/cacti/graph.php?local_graph_id=257&rra_id=all
>
>         (large spikes line up with cloudflare's graph)
>
>         -Seamus
>
>         *From:* AusNOG [mailto:ausnog-bounces at lists.ausnog.net] *On
>         Behalf Of *Sean K. Finn
>         *Sent:* Thursday, 13 February 2014 3:37 PM
>         *To:* ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>
>         *Subject:* [AusNOG] NTP Reflection coming in over Equinix IX
>
>         Hey All,
>
>         I never thought I'd see the day, we're seeing local NTP
>         Reflection attacks come in across Equinix peering!
>
>         Thankfully they are very small amounts of traffic but you can
>         see the traffic jump percentage wise.
>
>         Does anyone have any mitigation stategies across the Equinix
>         IX . (Apart from obvious, i.e. contacting the peer AS's to
>         asking them to nice mitigate at their end and pray, or droping
>         prefix from Equinix completely.)
>
>         PS Anyone else on Equinix Syd if you're smashing outbound on
>         NTP please check J
>
>         This is the first time we've seen reflection attack across
>         peering!
>
>         What I once considered safe harbour has now been compromised.
>
>         Kind Regards,
>
>         Sean Finn,
>
>         Oz Servers.
>
>         ------------------------------------------------------------------------
>
>         Premium Australian Hosting Solution Specialists
>
>         ------------------------------------------------------------------------
>
>         *Sean Finn, *BInfTech(NetSys)Qld.UT
>
>         *Oz Servers*
>         e: sean.finn at ozservers.com.au <mailto:sean.finn at ozservers.com.au>
>         *w: http://www.ozservers.com.au <http://www.ozservers.com.au/>*
>         *p: 1300 13 89 69*
>
>         	
>
>         ozlogo
>
>
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