Re: NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Stuart Longland
On 04/06/18 21:00, Peter N. M. Hansteen wrote: > Excessive traffic can have weird side effects, including what you > describe here. > > Your story reminds me of the D-Link vs Poul-Henning Kamp episode some > years back > (https://www.theregister.co.uk/2006/04/13/d-link_time_row_escelates/ as >

Re: NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Peter N. M. Hansteen
Excessive traffic can have weird side effects, including what you describe here. Your story reminds me of the D-Link vs Poul-Henning Kamp episode some years back (https://www.theregister.co.uk/2006/04/13/d-link_time_row_escelates/ as well as searching for the obvious keywords) -- essentially the

NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Stuart Longland
Hi all, A silly question, is it possible that a ~5Mbps constant stream of NTP client traffic to an OpenBSD router over an ADSLv2 link, cause said OpenBSD router to successfully communicate with its internal network? This will take some explaining, so please bear with me. :-) A few weeks back I

Re: NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Stuart Longland
On 04/06/18 20:25, Stuart Longland wrote: > A silly question, is it possible that a ~5Mbps constant stream of NTP > client traffic to an OpenBSD router over an ADSLv2 link, cause said > OpenBSD router to successfully communicate with its internal network? s/successfully communicate/cease

Re: OpenBSD snapshot at EFI: no micro :(

2018-06-04 Thread Leonid Bobrov
On Sun, Jun 03, 2018 at 08:38:52PM -0600, Theo de Raadt wrote: > No, micro is short for micro. > > Learn to communicate. > > This is not a problem of english vs non-english. > I don't remember I made excuses "pardon my mistake, I'm not native English speaker, I'd like to express my thoughts

Re: WEP broken

2018-06-04 Thread Stuart Henderson
On 2018-06-04, Riccardo Mottola wrote: > just an update, it took me a while. I had issues with the sources on > certain mirrors. Can you provide more details please? If there are anoncvs mirrors with bad source code that needs fixing.

Re: NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Stuart Henderson
On 2018-06-04, Stuart Longland wrote: > My thinking, since the problem has disappeared, is that the sheer number > of clients was overwhelming the router, and as a result, it didn't have > enough buffer space to handle the number of separate hosts requesting > the time from it. Oh! It might have

Re: lock order reversal in dmesg?

2018-06-04 Thread Stuart Henderson
On 2018-06-02, Jungle Boogie wrote: > With one of the snapshots from Friday 1 June, I'm seeing more info in my dmesg > than I typically do. Has some extra debugging been turned on? Yes.

Re: pgrep/pkill in rc script

2018-06-04 Thread Stuart Henderson
On 2018-06-02, Steven Shockley wrote: > I have a 6.3 machine running four Minecraft instances (i.e. Java apps). > I recently changed the rc script for one of them to use additional Java > command-line arguments. I believe I ran into something similar to >

Re: mailing list archive page update recommendation

2018-06-04 Thread Stuart Henderson
On 2018-06-02, Jungle Boogie wrote: > Hi All, > > It might be worth considering removing the reference to suish.net, as the > weekly > and daily lists haven't been updated since November 2017. > > https://www.openbsd.org/mail.html#Archives > > http://www.squish.net/pipermail/owc/ >

Re: Status of mips64el packages for 6.3

2018-06-04 Thread Pierre-Emmanuel André
On Sun, Jun 03, 2018 at 04:16:30AM -0700, Xiyue Deng wrote: > On Fri, May 11, 2018 at 06:29:57PM -0700, Xiyue Deng wrote: > > On Fri, May 11, 2018 at 08:53:18PM +, Stuart Henderson wrote: > > > On 2018-05-10, Xiyue Deng wrote: > > > > Hi, > > > > > > > > I noticed that a few days ago (maybe

Re: NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Stuart Longland
On 05/06/18 06:46, Stuart Henderson wrote: > On 2018-06-04, Stuart Longland wrote: >> My thinking, since the problem has disappeared, is that the sheer number >> of clients was overwhelming the router, and as a result, it didn't have >> enough buffer space to handle the number of separate hosts

Re: NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Stuart Longland
Hi Peter, and to those who replied off-list, On 04/06/18 23:57, Peter N. M. Hansteen wrote: >> This is something I'm looking to investigate, some sort of traffic >> accounting so I can track per IP/protocol/port, how much traffic passes >> through my router. I did something similar on Linux a

Re: NTP client traffic from WAN causing LAN DoS?

2018-06-04 Thread Peter N. M. Hansteen
On 06/04/18 13:28, Stuart Longland wrote: >> If you have data on the traffic (netflow comes to mind) it might be >> worth the effort to see if there's a pattern where the traffic >> originated. It could be down to some common misconfiguration, maybe even >> too many naive followers of a slightly

Re: WEP broken

2018-06-04 Thread Riccardo Mottola
Hi Stefan Stefan Sperling wrote: I don't think it is worth the effort for us. You are literally the only person I know of who has requested an official backport of this fix. WEP was already broken in OpenBSD 6.2 which was released in October 2017. In all this time, nobody complained. So it