Re: IPv6 Security Frequently Asked Questions (FAQ)

2019-03-07 Thread Mark Andrews
> On 8 Mar 2019, at 6:30 pm, Fernando Gont wrote: > > Hello, Mark, > > Thanks for your feedback! Please see in-line > > On 8/3/19 04:10, Mark Andrews wrote: >> "Generation of IPv6 fragments in response to ICMPv6 PTB messages has been >> deprecated in the revised IPv6 specification" >>

Re: IPv6 Security Frequently Asked Questions (FAQ)

2019-03-07 Thread Fernando Gont
Hello, Mark, Thanks for your feedback! Please see in-line On 8/3/19 04:10, Mark Andrews wrote: > "Generation of IPv6 fragments in response to ICMPv6 PTB messages has been > deprecated in the revised IPv6 specification" > > IS INCORRECT > > generation of fragments is “discouraged".

Re: IPv6 Security Frequently Asked Questions (FAQ)

2019-03-07 Thread Mark Andrews
"Generation of IPv6 fragments in response to ICMPv6 PTB messages has been deprecated in the revised IPv6 specification" IS INCORRECT generation of fragments is “discouraged". Discouraged and deprecated mean different thing. However, the use of such

IPv6 Security Frequently Asked Questions (FAQ)

2019-03-07 Thread Fernando Gont
Folks, The Internet Society has posted the "IPv6 Security Frequently Asked Questions (FAQ)" I authored. The document is available (in HTML, and also easy-to-print PDF) at: https://www.internetsociety.org/deploy360/ipv6/security/faq/ If you think there are other questions that should be added,

Re: Arista Layer3

2019-03-07 Thread Colton Conor
So how does the 7280SR-48C6 compare to the SLX9540? They are the same Broadcom chipset right? So the real question, is how does the product differ in software? On Wed, Mar 6, 2019 at 10:58 AM Kaiser, Erich wrote: > Agreed. > > > On Wed, Mar 6, 2019 at 2:16 AM Brandon Martin > wrote: > >>

Re: WIndows Updates Fail Via IPv6 - Update!

2019-03-07 Thread Saku Ytti
On Thu, Mar 7, 2019 at 8:33 PM Stephen Satchell wrote: > OK, OK, so I will continue to rate-limit both, to reasonably high limits > on the order of 250/second. Absent a DoS, it allows network operators > to use these tools as they should. > > My logs show no harm except to attack traffic. > >

Re: WIndows Updates Fail Via IPv6 - Update!

2019-03-07 Thread Stephen Satchell
On 3/7/19 8:10 AM, Saku Ytti wrote: > So why not disable ICMP Echo and UDP traceroute, those kids using > network diagnostics don't need them. > > For clue constrained audience fear will always be the most compelling > argument. OK, OK, so I will continue to rate-limit both, to reasonably high

Re: WIndows Updates Fail Via IPv6 - Update!

2019-03-07 Thread Saku Ytti
On Thu, Mar 7, 2019 at 6:06 PM wrote: > Sure I get it it's a very valid and a noble point, > But what you're asking is let it break (yes potentially -it's just > probability until it happens) for 1000s of subs just so that one kiddo has a > working niche feature, I can already see what board

RE: WIndows Updates Fail Via IPv6 - Update!

2019-03-07 Thread adamv0025
Hey Saku, > From: Saku Ytti > Sent: Thursday, March 7, 2019 3:29 PM > > On Thu, Mar 7, 2019 at 5:19 PM wrote: > > > From past experience my assumptions would be more along the lines of if > it's not mainstream there's a higher likelihood that it might trigger > exceptions > in code. > > My

RE: Best practices for BGP Communities

2019-03-07 Thread adamv0025
> From: NANOG On Behalf Of Arnold Nipper > Sent: Wednesday, March 6, 2019 6:57 PM > > On 04.03.2019 19:15, John Kristoff wrote: > > On Mon, 4 Mar 2019 01:42:02 + > > Joshua Miller wrote: > > > >> A while back I read somewhere that transit providers shouldn't delete > >> communities unless

Re: WIndows Updates Fail Via IPv6 - Update!

2019-03-07 Thread Saku Ytti
On Thu, Mar 7, 2019 at 5:19 PM wrote: > From past experience my assumptions would be more along the lines of if it's > not mainstream there's a higher likelihood that it might trigger exceptions > in code. My point is, let it break. Don't pre-emptively drop things that you don't know to be

RE: WIndows Updates Fail Via IPv6 - Update!

2019-03-07 Thread adamv0025
> From: Saku Ytti > Sent: Tuesday, March 5, 2019 3:00 PM > > On Tue, Mar 5, 2019 at 4:54 PM wrote: > > > Let me play a devil's advocate here, the above statement begs a question > then, how do you know all that is harmful would you test for every possible > extension and hw/sw permutation? > >