swinog March 2016

swinog@lists.swinog.ch

27 participants
13 discussions

BCP38 deployment in Switzerland Poll
by Grosser Stefan 14 Mar '16

14 Mar '16

Hi Everyone, I am currently writing a little thesis about DDoS mitigations and would like to pickup an old topic: BCP38 While searching in the caves of the Swinog archive I didn't found much information in the past about this subject. Only a unanswered Mail-Post from 2014 from Jeroen Massar [1] I would like to know how spoofable Switzerland's ISP/Netowrks are. It would be very nice if some of you Swinogers would participate in my survey. The anonymous poll form "BCP38 deployment in Switzerland" can be found under: http://goo.gl/forms/BO3Fqt9S1U You can also reply to this thread with your personal opinion. On request I can deliver a summary of my my survey. Thanks for participating! Stef [1] http://lists.swinog.ch/public/swinog/2014-February/006040.html

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TCP timestamps
by Andre Keller 11 Mar '16

11 Mar '16

Dear fellow SwiNOGers, in the last few months we had several security audits and all of them proposed to disable tcp timestamps. (i.e. on Linux net.ipv4.tcp_timestamps=0). AFAIK roundtrip time calculation in tcp relies on this and there might be implications for PAWS (tcp sequence number wrapping). What do you guys think about this? Regards André

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2. Call for presentations RIPE 72
by Marcus Stoegbauer 09 Mar '16

09 Mar '16

Hi, we are looking for presentations, tutorials, workshops, BoFs and lightning talk for the upcoming RIPE meeting in Copenhagen. The deadline for submissions is approaching soon (March 13), and we would be very happy to see your presentation submissions there. Marcus -------------------->>><<<-------------------- Call for Presentations A RIPE Meeting is an open event where Internet Service Providers, network operators and other interested parties get together. Although the meeting is mostly technical, it is also a chance for people to meet and network with others in their field. RIPE 72 will take place from 23-27 May 2016 in Copenhagen, Denmark. The RIPE Programme Committee (PC) is now seeking content proposals from the RIPE community for the plenary sessions, BoFs (Birds of a Feather sessions), panels, workshops, tutorials and lightning talks at RIPE 72. See the full descriptions of the different presentation formats, https://ripe72.ripe.net/submit-topic/presentation-formats/. Proposals for plenary sessions, BoFs, panels, workshops and tutorials must be submitted for full consideration no later than 13 March 2016. Proposals submitted after this date will be considered depending on the remaining available space in the programme. The PC is looking for presentations covering topics of network engineering and operations, including but not limited to: - IPv6 deployment - Managing IPv4 scarcity in operations - Commercial transactions of IPv4 addresses - Data centre technologies - Network and DNS operations - Internet governance and regulatory practices - Network and routing security - Content delivery - Internet peering and mobile data exchange Submissions RIPE Meeting attendees are quite sensitive to keeping presentations non-commercial, and product marketing talks are strongly discouraged. Repeated audience feedback shows that the most successful talks focus on operational experience, research results, or case studies. For example, presenters wishing to describe a commercial solution should focus on the underlying technology and not attempt a product demonstration. Presenters should indicate how much time they will require. In general, the time allocated for the different presentation formats is as follows: - Plenary presentations: 20-25 minutes presentation with 5-10 minutes discussion - Tutorials: up to two hours (Monday morning) - Workshops: one hour (during evening sessions) to two hours (Monday morning) - BoFs: approximately one hour - Lightning talks: 10 minutes The following general requirements apply: - Proposals must be submitted using the meeting submission system, https://ripe72.ripe.net/submit-topic/submission-form/. - Lightning talks should also be submitted using the meeting submission system (https://ripe72.ripe.net/submit-topic/submission-form/) and can be submitted any time up to and including the meeting week. The allocation of lightning talks will be announced on short notice---in some cases on the same day but often one day prior to the time slot allocated. - Presenters who propose a panel or BoF are encouraged to include speakers from several (perhaps even competing) companies and/or a neutral facilitator. - All presentation proposals will only be considered by the PC if they contain at least draft presentation slides (slides may be updated later on). For panels, proposals must contain a clear description, as well as the names of invited panellists, presenters and moderators. - Due to potential technical issues, presenters/panellists should be physically present at the RIPE Meeting. If you have any questions or requests concerning content submissions, please email pc [at] ripe [dot] net. -- man-da.de GmbH, AS8365 Phone: +49 6151 16-71022 Mornewegstr. 30 Fax: +49 6151 16-71998 64293 Darmstadt, Germany e-mail: ms(a)man-da.de Geschäftsführer Marcus Stögbauer AG Darmstadt, HRB 94 84

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swinog March 2016