RE: Stupid Question maybe?

2018-12-19 Thread David Edelman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 You could be sure of two things when there were ambiguities in the routing tables: 1- Every manufacturer knew how to handle them. 2 - Every manufacturer did it a different way. I suspect that in most cases where two conflicting route entries existed

RE: Stupid Question maybe?

2018-12-18 Thread David Edelman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I seem to remember that before the advent of VLSM and CIDR there was no requirement for the 1 bits in the netmask to be contiguous with no intervening 0 bits and there was always someone who tested it out on a production network just to prove a poin

RE: bloomberg on supermicro: sky is falling

2018-10-12 Thread David Edelman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I agree that bank fees for transfers between accounts is unusual. There may be a limit on the number of transfers you can do each month but typically no fees. I agree with the point about using a credit card for gas purchases, since you are currentl

RE: SHA1 collisions proven possisble

2017-02-23 Thread David Edelman
Especially if that "document" is a component of a ciphersuite exchange. --Dave -Original Message- From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of valdis.kletni...@vt.edu Sent: Thursday, February 23, 2017 9:22 PM To: Ricky Beam Cc: nanog@nanog.org Subject: Re: SHA1 collisions pr

Re: bad announcement taxonomy

2015-11-18 Thread David Edelman
How about Origin Obfuscation --Dave Dave Edelman > On Nov 18, 2015, at 16:51, Joe Abley wrote: > > > >> On 18 Nov 2015, at 15:55, Arturo Servin wrote: >> >> Laundered route > > The routes in question are not just being laundered, they're being bleached. > > > Joe

Re: oss netflow collector/trending/analysis

2014-05-04 Thread David Edelman
Argus (qosient.com) is worth looking at. Dave Edelman > On May 2, 2014, at 12:21, Leslie wrote: > > pmacct (http://www.pmacct.net/) is another pretty awesome open source tool. > > Leslie > >> On Fri, May 2, 2014 at 8:00 AM, Avi Freedman wrote: >> >> There's also SiLK from CMU. It's powe

IANA Reference to hopopt as a protocol

2013-06-24 Thread David Edelman
Does anyone have an explanation for the IPv6 hopopt appearing as protocol value 0 in http://www.iana.org/assignments/protocol-numbers? --Dave

RE: chargen is the new DDoS tool?

2013-06-11 Thread David Edelman
I can just see someone spoofing a packet from victimA port 7/UDP to victimB port 19/UDP. --Dave -Original Message- From: Leo Bicknell [mailto:bickn...@ufp.org] Sent: Tuesday, June 11, 2013 3:13 PM To: Bernhard Schmidt Cc: nanog@nanog.org Subject: Re: chargen is the new DDoS tool? On

Re: Looking for Netflow analysis package

2013-05-14 Thread David Edelman
Take a look at argus www.qosient.com Dave Edelman On May 14, 2013, at 19:17, Mike Hale wrote: > Solarwinds netflow is also way, way overpriced for what you get...and > their license model for Netflow is utterly ridiculous. > > I like Splunk plus Netflow integrator. With some custom lookup

Re: why haven't ethernet connectors changed?

2012-12-20 Thread David Edelman
I think that you might be describing the DIX connector retaining clamp. Dave Edelman On Dec 20, 2012, at 13:40, "Howard C. Berkowitz" wrote: > On 12/20/2012 1:20 PM, Michael Thomas wrote: >> I was looking at a Raspberry Pi board and was struck with how large the >> ethernet >> connector is

Re: job screening question

2012-07-06 Thread David Edelman
On 7/7/12 1:24 AM, "Jared Mauch" wrote: >Die proxy arp die. (and that's not German). > >I've had a job or consulting gig or two that has inadvertently had this >as the hidden glue making things work. > >(wha, you can't route that subnet out an Ethernet interface without a >next hop? It's always

Re: job screening question

2012-07-05 Thread David Edelman
On 7/6/12 2:10 AM, "Randy" wrote: >--- On Thu, 7/5/12, William Herrin wrote: > >> From: William Herrin >> Subject: Re: job screening question >> To: "Jon Lewis" >> Cc: "nanog@nanog.org" >> Date: Thursday, July 5, 2012, 6:43 PM >> On Thu, Jul 5, 2012 at 9:28 PM, Jon >> Lewis >> wrote: >> >

Re: job screening question

2012-07-05 Thread David Edelman
On 7/6/12 12:50 AM, "Scott Weeks" wrote: > > >--- b...@herrin.us wrote: >From: William Herrin > >> 5. What is the reason for the 100m distance limit within an >>ethernet collision domain? > >What's an ethernet collision domain? Seriously, when was the last time >you dealt with a half dupl