Re: {SPAM?} Re: IPv6 Deployment for the LAN

2009-11-07 Thread Richard Bennett
The Wi-Fi MAC protocol has a pair of header bits that mean "from AP" and "to AP." In ad-hoc mode, a designated station acts as an AP, so that's nothing special. There are a couple of non-AP modes for direct link exchanges and peer-to-peer exchances that probably don't set "from AP" b

Re: {SPAM?} Re: IPv6 Deployment for the LAN

2009-11-07 Thread Bernhard Schmidt
Adrian Chadd wrote: >> As already said, wireless in infrastructure mode (with access points) >> always sends traffic between clients through the access point, so a >> decent AP can filter this. > How does the client determine that the traffic came from the AP versus > another client? I'm not exa

need your suggestion about switch

2009-11-07 Thread Deric Kwok
Hi I am requested to get not brand list switch how can I test it? any software or methods eg: reliable speed or any need Thank you so much

Re: Human Factors and Accident reduction/mitigation

2009-11-07 Thread Owen DeLong
On Nov 6, 2009, at 12:04 PM, JC Dill wrote: Owen DeLong wrote: We could learn a lot about this from Aviation. Nowhere in human history has more research, care, training, and discipline been applied to accident prevention, mitigation, and analysis as in aviation. A few examples: NTS

Re: need your suggestion about switch

2009-11-07 Thread Laurent CARON
On 07/11/2009 18:21, Deric Kwok wrote: Hi I am requested to get not brand list switch how can I test it? any software or methods eg: reliable speed or any need Thank you so much Hi, Can you please make sentences that make sense ? Are you seeking for advice or help ? I think yes. So the l

Re: {SPAM?} Re: IPv6 Deployment for the LAN

2009-11-07 Thread Owen DeLong
And of course, a rogue RA station would _NEVER_ mess with that bit in what it transmits... Uh, yeah. Owen On Nov 7, 2009, at 2:41 AM, Richard Bennett wrote: The Wi-Fi MAC protocol has a pair of header bits that mean "from AP" and "to AP." In ad-hoc mode, a designated station acts as an AP

Re: need your suggestion about switch

2009-11-07 Thread Brian Feeny
What I am gathering is that you are looking to by a off brand switch? If this is the case, then I would argue reliability and speed aren't important to you, but rather price, so go for what you can afford I guess. If you lack the knowledge to purchase a switch or test it properly, I woul

Re: Human Factors and Accident reduction/mitigation

2009-11-07 Thread JC Dill
Owen DeLong wrote: On Nov 6, 2009, at 12:04 PM, JC Dill wrote: Owen DeLong wrote: We could learn a lot about this from Aviation. Nowhere in human history has more research, care, training, and discipline been applied to accident prevention, mitigation, and analysis as in aviation. A few

RE: Pros and Cons of Cloud Computing in dealing with DDoS

2009-11-07 Thread Stefan Fouant
> -Original Message- > From: Florian Weimer [mailto:fwei...@bfk.de] > Sent: Friday, November 06, 2009 4:52 AM > To: Stefan Fouant > Cc: 'Jeffrey Lyon'; 'NANOG list' > Subject: Re: Pros and Cons of Cloud Computing in dealing with DDoS > > Some companies have already suffered from this becau

RE: Pros and Cons of Cloud Computing in dealing with DDoS

2009-11-07 Thread Stefan Fouant
> -Original Message- > From: Florian Weimer [mailto:fwei...@bfk.de] > Sent: Friday, November 06, 2009 4:55 AM > > Not all attacks involve saturated pipes. > > There used to be anti-DDoS vendors whose boxes didn't even have WAN > links. Part of the problem is that operating systems come w

RE: need your suggestion about switch

2009-11-07 Thread Stefan Fouant
> -Original Message- > From: Brian Feeny [mailto:bfe...@mac.com] > Sent: Saturday, November 07, 2009 1:37 PM > > (packet sizes, features, etc). There are also some independent tests > you can find such as miercom. Come on... I don't know if I'd use "Miercom" and "independent" in the same

Re: {SPAM?} Re: IPv6 Deployment for the LAN

2009-11-07 Thread Richard Bennett
It's not all that easy unless the dude has hacked the device driver. Owen DeLong wrote: And of course, a rogue RA station would _NEVER_ mess with that bit in what it transmits... Uh, yeah. Owen On Nov 7, 2009, at 2:41 AM, Richard Bennett wrote: The Wi-Fi MAC protocol has a pair of header

Re: Congress may require ISPs to block fraud sites H.R.3817

2009-11-07 Thread Sean Donelan
On Fri, 6 Nov 2009, Christopher Morrow wrote: paragraph (1) shall be liable for any damages caused thereby, including damages suffered by SIPC, if the Internet service provider-- Some phrases people might search in various combindations on Google SIPC Stratton Oakmont Prodigy 47 USC 230 House

RE: {SPAM?} Re: IPv6 Deployment for the LAN

2009-11-07 Thread TJ
Device driver? Nah. Just use a tool (like Scapy) to just arbitrarily, easily custom-craft any packet he|she wants ... Yes, it is that easy. Thanks! /TJ -Original Message- From: Richard Bennett [mailto:rich...@bennett.com] Sent: Saturday, November 07, 2009 15:37 To: Owen DeLong Cc: Be

Re: Interesting Point of view - Russian police and RIPE accused of aiding RBN

2009-11-07 Thread noc acrino
Hello, Jeffery and other NANOC members. Sorry for making another thread - I'm not too experienced in mailgroups. The problem is in structure of new generation advert or banner networks - they allow to return other subject traffic to the partner's URL. And this could also be used to redirect the

Re: Speed Testing and Throughput testing

2009-11-07 Thread Kevin Oberman
> Date: Mon, 2 Nov 2009 18:22:19 -0500 > From: Jon Meek > > I use iperf with packet capture on both sides, then analyze the packet > capture for per-second throughput and re-transmits. I usually do 10 > TCP streams for 30 seconds. > > Note that on GigE with significant RTTs (5-15 ms) some TCP tu

Re: Pros and Cons of Cloud Computing in dealing with DDoS

2009-11-07 Thread Dobbins, Roland
On Nov 8, 2009, at 2:33 AM, Stefan Fouant wrote: > if the discussion hasn't shifted from that of DDoS to EDoS, it > should. All DDoS is 'EDoS' - it's a distinction without a difference, IMHO. DDoS costs opex, can cost direct revenue, can induce capex spends - it's all about economics at bo