nanog mailing list archives

Re: DDOS solution recommendation


From: Mike Hammett <nanog () ics-il net>
Date: Sun, 11 Jan 2015 09:21:13 -0600 (CST)

To quote a presentation I heard at a conference regarding small routers, "Buy bigger rooters, bitches." (Yes, I know it 
isn't that simple, but most of the audience at that conference had purchasing authority.) 

Not all networks are doing what they're supposed to be (I'm on that list), but if no one ever does anything because not 
everyone else is, then nothing ever gets done. 

I'm not saying what you're doing is wrong, I'm saying whatever the industry as a whole is doing obviously isn't working 
and perhaps a different approach is required. 

Security teams? My network has me, myself and I. 

If for example ChinaNet's abuse department isn't doing anything about complains, eventually their whole network gets 
blocked a /32 at a time. *shrugs* Their loss. 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



----- Original Message -----

From: "Roland Dobbins" <rdobbins () arbor net> 
To: nanog () nanog org 
Sent: Sunday, January 11, 2015 7:51:59 AM 
Subject: Re: DDOS solution recommendation 


On 11 Jan 2015, at 20:46, Mike Hammett wrote: 

Enough people blackhole the attacking IPs, those IPs are eventually 
going to have a very limited view of the Internet. 

TCAMs have limits. 

Not all networks practice anti-spoofing. 

Not all networks have any visibility whatsoever into their network 
traffic. 

Not all networks have security teams. 

Again, it would probably be advisable to do some reading before you 
start telling those of us who've been working on this set of problems 
for the last couple of decades that it's simple, and that we don't know 
what we're doing. 

----------------------------------- 
Roland Dobbins <rdobbins () arbor net> 


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