Re: mail admins?

2020-04-23 Thread Matt Palmer
On Thu, Apr 23, 2020 at 09:10:37AM -0700, Michael Thomas wrote: > javascript is a hell of a lot safer than downloading native apps on your > phone, for example. Because those are, of course, the *only* two possible options for accessing information. - Matt

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Damian Menscher via NANOG
On Thu, Apr 23, 2020 at 3:26 PM Ca By wrote: > On Thu, Apr 23, 2020 at 3:14 PM Compton, Rich A > wrote: > >> Good luck with that.  As Damian Menscher has presented at NANOG, >> even if we do an amazing job and shut down 99% of all DDoS reflectors, >> there will still be enough bandwidth to

Re: mail admins?

2020-04-23 Thread Matt Palmer
On Thu, Apr 23, 2020 at 04:30:28PM -0700, Michael Thomas wrote: > Ironically it seems that the way to disable javascript is to install a > browser extension. Nope. chrome://settings/content/javascript for Chromium, about:config -> javascript.enabled in Firefox. - Matt

Re: mail admins?

2020-04-23 Thread Matt Palmer
On Thu, Apr 23, 2020 at 06:31:04PM -0700, Michael Thomas wrote: > Passwords over the wire are the *key* problem of computer security. Nothing > else even comes close. Hmm, a bold claim, but I'm confident the author will have strong support for their position. > One only needs to look at the

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/23/20 4:13 PM, Scott Weeks wrote: --- m...@mtcc.com wrote: From: Michael Thomas I'm not sure why the admins of nanog's site should particularly care about appeasing the js tinfoil hat set. i mean, computers computing! who will stop this madness!

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread TJ Trout
Bottiger, If what you are saying is true and can be backed by documentation, I would start at the abuse contact for the offending 'Amplifier' and then start working your way up the transits of the offending AS# until someone cuts them off. The Squeaky wheel gets the grease! On Thu, Apr 23, 2020

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/23/20 6:07 PM, Matt Palmer wrote: On Thu, Apr 23, 2020 at 09:10:37AM -0700, Michael Thomas wrote: javascript is a hell of a lot safer than downloading native apps on your phone, for example. Because those are, of course, the *only* two possible options for accessing information. I'm

Re: mail admins?

2020-04-23 Thread Matt Palmer
On Thu, Apr 23, 2020 at 07:47:58PM -0700, Michael Thomas wrote: > On 4/23/20 7:35 PM, Matt Palmer wrote: > > While I do think webauthn is a neat idea, and solves at least one very real > > problem (credential theft via phishing), you do an absolutely terrible job > > of making that case. > > see

Re: mail admins?

2020-04-23 Thread William Herrin
On Thu, Apr 23, 2020 at 4:13 PM Scott Weeks wrote: > --- m...@mtcc.com wrote: >> I'm not sure why the admins of nanog's site should >> particularly care about appeasing the js tinfoil hat >> set. > > Not the tin foil hat crowd, security. Can't it be both? Mobile code (javascript) has a long a

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/23/20 4:40 PM, William Herrin wrote: On Thu, Apr 23, 2020 at 4:13 PM Scott Weeks wrote: --- m...@mtcc.com wrote: I'm not sure why the admins of nanog's site should particularly care about appeasing the js tinfoil hat set. Not the tin foil hat crowd, security. Can't it be both?

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/23/20 6:20 PM, William Herrin wrote: On Thu, Apr 23, 2020 at 4:57 PM Michael Thomas wrote: If you want an actual verifiable current day problem which is a clear and present danger, you should be running as fast as you can to retrofit every piece of web technology with webauthn to get

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/23/20 7:35 PM, Matt Palmer wrote: On Thu, Apr 23, 2020 at 06:31:04PM -0700, Michael Thomas wrote: Passwords over the wire are the *key* problem of computer security. Nothing else even comes close. Hmm, a bold claim, but I'm confident the author will have strong support for their

Re: mail admins?

2020-04-23 Thread William Herrin
On Thu, Apr 23, 2020 at 4:57 PM Michael Thomas wrote: > If you want an actual verifiable current day problem which is a clear > and present danger, you should be running as fast as you can to retrofit > every piece of web technology with webauthn to get rid of over the wire > passwords. > > I

Re: mail admins?

2020-04-23 Thread Raymond Burkholder
On 2020-04-23 7:31 p.m., Michael Thomas wrote: On 4/23/20 6:20 PM, William Herrin wrote: On Thu, Apr 23, 2020 at 4:57 PM Michael Thomas wrote: Passwords over the wire are the *key* problem of computer security. Nothing else even comes close. One only needs to look at the LinkedIn salting

Re: mail admins?

2020-04-23 Thread Bryan Fields
On 4/23/20 1:47 PM, William Herrin wrote: > Even if mailman saw it, mailman doesn't use VERP. Both 2.1 and 3.0 of mailman support VERP. I've had it running for some time on mailman 2.1. I'm not sure how it will impact delivery time (a consideration). I've found it to be a non issue in my case.

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/23/20 6:20 PM, William Herrin wrote: On Thu, Apr 23, 2020 at 4:57 PM Michael Thomas wrote: If you want an actual verifiable current day problem which is a clear and present danger, you should be running as fast as you can to retrofit every piece of web technology with webauthn to get

Re: mail admins?

2020-04-23 Thread Bryan Holloway
On 4/23/20 6:43 AM, John Osmon wrote: On Wed, Apr 22, 2020 at 08:05:39AM +0300, Töma Gavrichenkov wrote: On Wed, Apr 22, 2020, 12:45 AM Randy Bush wrote: sad. http://nanog.org used to be the brilliant example of a fully featured web site sans javascript, flash, ... That was long ago

Re: mail admins?

2020-04-23 Thread Rich Kulawiec
[ Bunch of replies to messages in thread bundled here. ] On Tue, Apr 21, 2020 at 06:28:48PM -0400, Bryan Fields wrote: > It's a mailman list, so nanog-ow...@nanog.org should work. If not reach out > to the communications committee. All mailing lists should support that, regardless of what's

Re: Comcast - Significant v4 vs v6 throughput differences, almost stateful.

2020-04-23 Thread Ca By
On Thu, Apr 23, 2020 at 8:27 AM Dovid Bender wrote: > We have customers in CT with the same issues. When did this start? > Seems to have started 5 years ago when we ran out of ipv4 and all comers needed to embrace ipv4 life-support mechanisms

Re: FlowSpec

2020-04-23 Thread Denys Fedoryshchenko
On 2020-04-23 18:13, Colton Conor wrote: Do any of the large transit providers support FlowSpec to transit customers / other carriers, or is that not a thing since they want to sell DDoS protection services? FlowSpec sounds much better than RTBH (remotely triggered blackhole), but I am not sure

Re: Comcast - Significant v4 vs v6 throughput differences, almost stateful.

2020-04-23 Thread William Herrin
On Thu, Apr 23, 2020 at 8:06 AM Nick Zurku wrote: > We’re having serious throughput issues with our AS20326 pushing packets to > Comcast over v4. Our transfers are either the full line-speed of the Comcast > customer modem, or they’re seemingly capped at 200-300KB/s. This behavior > appears to

Re: "Is BGP safe yet?" test

2020-04-23 Thread Andrey Kostin
Vincent Bernat писал 2020-04-22 15:26: ❦ 22 avril 2020 12:51 -04, Andrey Kostin: BTW, has anybody yet thought/looked into extending RPKI-RTR protocol for validation of prefixes received from peer-as to make ingress filtering more dynamic and move away prefix filters from the routers? It

Re: "Is BGP safe yet?" test

2020-04-23 Thread Andrey Kostin
Christopher Morrow писал 2020-04-22 14:05: a question about the data types here... So, a neighbor with no downstream ASN could be filtered directly with ROA == prefixlist-content. A neighbor with a downstream ASN has to be ROA (per asn downstream) == prefixlist-content. So you'd now have to do

Re: Comcast - Significant v4 vs v6 throughput differences, almost stateful.

2020-04-23 Thread Dovid Bender
We have customers in CT with the same issues. When did this start? On Thu, Apr 23, 2020 at 11:07 AM Nick Zurku wrote: > Hello all, > > I would appreciate if someone from Comcast could contact me about this. > > We’re having serious throughput issues with our AS20326 pushing packets to >

Re: FlowSpec

2020-04-23 Thread Denys Fedoryshchenko
On 2020-04-23 18:13, Colton Conor wrote: Do any of the large transit providers support FlowSpec to transit customers / other carriers, or is that not a thing since they want to sell DDoS protection services? FlowSpec sounds much better than RTBH (remotely triggered blackhole), but I am not sure

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/21/20 7:46 PM, Scott Weeks wrote: --- m...@mtcc.com wrote: From: Michael Thomas To: nanog@nanog.org Subject: Re: mail admins? Date: Tue, 21 Apr 2020 17:34:36 -0700 On 4/21/20 5:19 PM, Scott Weeks wrote: I think you just need to let scripts run in your browser for nanog.org. sad.

Re: FlowSpec

2020-04-23 Thread Denys Fedoryshchenko
On 2020-04-23 19:12, Roland Dobbins wrote: On 23 Apr 2020, at 22:57, Denys Fedoryshchenko wrote: In general operators don't like flowspec Its increasing popularity tens to belie this assertion. Yes, you're right that avoiding overflowing the TCAM is very important. But as Rich notes, a

Re: FlowSpec

2020-04-23 Thread Compton, Rich A
Hi Colton, It is fairly common to use flowspec internally at an ISP for mitigation of DDoS attacks. eBGP flowspec is not very common though. I know of only a couple of ISPs that allow flowspec rules to be advertised by their customers. The biggest issue with this is that other providers are

Re: FlowSpec

2020-04-23 Thread Roland Dobbins
On 23 Apr 2020, at 22:57, Denys Fedoryshchenko wrote: In general operators don't like flowspec Its increasing popularity tens to belie this assertion. Yes, you're right that avoiding overflowing the TCAM is very important. But as Rich notes, a growing number of operators are in fact

IGMPv3/MLDv2 implementation and deployment survey

2020-04-23 Thread John Kristoff
[ Apologies if you've seen this already - jtk ] Friends, Those of you with knowledge, interest, or deployment experience with IP multicast in real networks should consider taking the survey linked to below. Forwarded with knowledge and permission of the original email author. The survey

FlowSpec

2020-04-23 Thread Colton Conor
Do any of the large transit providers support FlowSpec to transit customers / other carriers, or is that not a thing since they want to sell DDoS protection services? FlowSpec sounds much better than RTBH (remotely triggered blackhole), but I am not sure if FlowSpec is widely implemented. I see

Comcast - Significant v4 vs v6 throughput differences, almost stateful.

2020-04-23 Thread Nick Zurku
Hello all, I would appreciate if someone from Comcast could contact me about this. We’re having serious throughput issues with our AS20326 pushing packets to Comcast over v4. Our transfers are either the full line-speed of the Comcast customer modem, or they’re seemingly capped at 200-300KB/s.

Venmo - Geolocation Challenges

2020-04-23 Thread Justin Krejci
Hello, I am looking for a Venmo network contact that can assist with a geolocation error in their systems. We have customers on a particular IP prefix who are being flagged by Venmo as outside of the USA but they are not outside of the USA. All standard geolocation systems I can find, as well

Re: Comcast - Significant v4 vs v6 throughput differences, almost stateful.

2020-04-23 Thread Sabri Berisha
- On Apr 23, 2020, at 8:06 AM, Nick Zurku wrote: > We’re having serious throughput issues with our AS20326 pushing packets to > Comcast over v4. Our transfers are either the full line-speed of the Comcast > customer modem, or they’re seemingly capped at 200-300KB/s. This behavior > appears

Re: Venmo - Geolocation Challenges

2020-04-23 Thread Mike Hammett
I'm trying to build a list that has anyone of consequence on it for geolocation\VPN issues. http://thebrotherswisp.com/index.php/geo-and-vpn/ If you get anywhere with Venmo, let me know so I can add it to the list. - Mike Hammett Intelligent Computing Solutions

Re: mail admins?

2020-04-23 Thread William Herrin
On Thu, Apr 23, 2020 at 1:33 AM Rich Kulawiec wrote: > - I've received erroneous bounces from @email.uscc.net as well. > It should be possible to track down the culprit via Mailman's logs > and the MTA's logs. Hi Rich, One of the annoyances with both those guys and the swedish folks is that

Re: Comcast - Significant v4 vs v6 throughput differences, almost stateful.

2020-04-23 Thread Nick Zurku
We started getting the wave of complaints over the last two weeks or so. Perhaps up to a month ago was when the initial few issues that were reported but were chalked up to being “an issues out on the internet.” Did your issues in CT start on a certain date? -- Nick Zurku Systems Engineer

Re: mail admins?

2020-04-23 Thread Scott Weeks
--- m...@mtcc.com wrote > So I should just get used to configuring routers with HTTP and > Notepad and forget about that nasty, old, 20th century vi crap? :) No, but complaining about javascript on websites - Just to be clear, I was only complaining about

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Ca By
On Thu, Apr 23, 2020 at 3:14 PM Compton, Rich A wrote: > Good luck with that.  As Damian Menscher has presented at NANOG, even > if we do an amazing job and shut down 99% of all DDoS reflectors, there > will still be enough bandwidth to generate terabit size attacks. >

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Bottiger
There are many decent options for ddos protection in the US and Europe, however there are very few in Brazil and Asia that support BGP. Servers and bandwidth in these areas are much more expensive. Even though we are already doing anycast to split up the ddos attack, a majority of the attack

Re: mail admins?

2020-04-23 Thread Michael Thomas
On 4/23/20 12:15 PM, Scott Weeks wrote: --- m...@mtcc.com wrote So I should just get used to configuring routers with HTTP and Notepad and forget about that nasty, old, 20th century vi crap? :) No, but complaining about javascript on websites - Just to be

Re: mail admins?

2020-04-23 Thread Scott Weeks
--- m...@mtcc.com wrote: From: Michael Thomas I'm not sure why the admins of nanog's site should particularly care about appeasing the js tinfoil hat set. i mean, computers computing! who will stop this madness! - Not the tin foil hat crowd,

Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Bottiger
Is there a guide on how to get foreign ISPs to shut down reflectors used in DDoS attacks? I've tried sending emails listed under abuse contacts for their regional registries. Either there is none listed, the email is full, email does not exist, or they do not reply. Same results when sending to

Re: Comcast - Significant v4 vs v6 throughput differences, almost stateful.

2020-04-23 Thread Matthew Petach
On Thu, Apr 23, 2020 at 12:45 PM Sabri Berisha wrote: > - On Apr 23, 2020, at 8:06 AM, Nick Zurku > wrote: > > We’re having serious throughput issues with our AS20326 pushing packets to > Comcast over v4. Our transfers are either the full line-speed of the > Comcast customer modem, or

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Bottiger
We are unable to upgrade our bandwidth in those areas. There are no providers within our budget there at the moment. Surely there must be some way to get them to respond. On Thu, Apr 23, 2020 at 2:23 PM Siyuan Miao wrote: > It won't work. > > Get a good DDoS protection and forget about it. > >

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Filip Hruska
Sounds like you'll need to talk to your upstreams if they can provide DDOS protection, alternatively look for remote DDOS protection options. Regards, Filip On 23 April 2020 11:30:36 pm GMT+02:00, Bottiger wrote: >We are unable to upgrade our bandwidth in those areas. There are no >providers

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Shawn L via NANOG
This brings up an interesting question -- what is "good DDoS protection" on an ISP scale? Apart from having enough bandwidth to weather the attack and having upstream providers attempt to filter it for you/ -Original Message- From: "Bottiger" Sent: Thursday, April 23, 2020 5:30pm

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread William Herrin
On Thu, Apr 23, 2020 at 2:38 PM Shawn L via NANOG wrote: > This brings up an interesting question -- what is "good DDoS protection" on > an ISP scale? Apart from having enough bandwidth to weather the attack and > having upstream providers attempt to filter it for you/ Hi Shawn, I believe

Re: xplornet contact or any experience with their satellite service?

2020-04-23 Thread Brian J. Murrell
On Tue, 2020-04-21 at 18:54 +, Mel Beckman wrote: > It’s not really oversold bandwidth. It’s just that the turnaround > time for a bolus of data is too long for two-way video conferencing > to be smooth or reliable. It’s like video conferencing using post > cards :) Except that

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Siyuan Miao
It won't work. Get a good DDoS protection and forget about it. On Fri, Apr 24, 2020 at 5:17 AM Bottiger wrote: > Is there a guide on how to get foreign ISPs to shut down reflectors used > in DDoS attacks? > > I've tried sending emails listed under abuse contacts for their regional >

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Compton, Rich A
The answer is “it depends”. What are you trying to accomplish? Are you trying to detect and surgically mitigate every DDoS attack? If so, you will need a good DDoS attack detection and mitigation solution and a team of people to run it or a 3rd party company that can do this for you. Do you

Re: Best way to get foreign ISPs to shut down DDoS reflectors?

2020-04-23 Thread Compton, Rich A
Good luck with that.  As Damian Menscher has presented at NANOG, even if we do an amazing job and shut down 99% of all DDoS reflectors, there will still be enough bandwidth to generate terabit size attacks. https://stats.cybergreen.net I think we need to instead collectively focus on stopping