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2941 discussions

Research project and survey: Network filtering and IP spoofing
by Franziska Lichtblau 07 Mar '17

07 Mar '17

Hi, we are a team of researchers from TU Berlin [1] working on a measurement project to assess the ramifications of traffic with spoofed source IP addresses in the Internet. To better understand the operational challenges that you as network operators face when deploying (or not deploying) source IP address filtering techniques, we'd like to invite you to participate in our survey. If you could spare 5 minutes of your time, we'd be delighted if you could fill out our survey form and tell us about your current practices regarding network filtering. To participate, please visit: [2] http://filteringsurvey.inet.tu-berlin.de/ If you have any concerns or questions, you can reply on-list or contact us via [3] filtering-survey(a)inet.tu-berlin.de. We will only publish anonymized results of this study and once we've analyzed your feedback we'll publish a digest of the results on-list if you're interested. As you are probably subscribed to more network operator lists you might encounter this mail multiple times. We apologize for cross-posting, but in order to get results that will give us meaningful insights we need the broadest coverage we can get. Thank you very much for your support! Franziska Lichtblau [1] www.inet.tu-berlin.de [2] http://filteringsurvey.inet.tu-berlin.de/ [3] filtering-survey(a)inet.tu-berlin.de -- Franziska Lichtblau, M.A. building MAR, 4th floor, room 4.004 Fachgebiet INET - Sekr. MAR 4-4 phone: +49 30 314 757 33 Technische Universität Berlin gpg-fp: 4FA0 F1BC 8B9A 7F64 797C Marchstrasse 23 - 10587 Berlin 221C C6C6 2786 91EC 5CD5

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Looking for person responsible for *@mms.sunrise.ch
by Markus Wild 27 Feb '17

27 Feb '17

Sorry to spam the list for this, but I was not able to find anything close to a technical support email contact on their web page... To avoid many round trip mails, here's the problem: we get incoming mails with senders like <+4176...(a)mms.sunrise.ch>. But: mms.sunrise.ch. 3600 IN MX 10 mm3.sunrise.ch. Host mm3.sunrise.ch not found: 3(NXDOMAIN) So, those sender addresses are invalid, and get rejected on our mail servers. Might want to fix your DNS.. Cheers, Markus

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Swisscom Domain Administrator
by Mike Kellenberger 08 Feb '17

08 Feb '17

Hi A customer of ours is interested in an unused .ch domain name owned by Swisscom. Does anybody know a contact at Swisscom I could reach out to to discuss this matter? Regards, Mike -- Mike Kellenberger | Escapenet GmbH www.escapenet.ch +41 52 235 0700/04 Skype mikek70atwork

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Pinging a SALT Mobile IP Engineer (AS15796)
by Fredy Kuenzler 08 Feb '17

08 Feb '17

Please contact me offlist. Thanks. -- Fredy Kuenzler Init7 (Switzerland) Ltd. Technoparkstrasse 5 CH-8406 Winterthur Switzerland http://www.init7.net/

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Bind9 9.9.5 memory exhaustion attack?
by Benoit Panizzon 04 Feb '17

04 Feb '17

Hello All Anyone else running bind9 and seeing a lot of request with permuted case in the requested resource, which I fear causes bind9 to cache each reply individually leading to memory exhaustion? -Benoît-

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SwiNOG #31 - Call for Papers
by Simon Ryf 02 Feb '17

02 Feb '17

Dear SwiNOG supporter, this is the official Call for Paper email. Please send your proposal to swinog-core (at) swinog.ch or directly to me. The 31th meeting of the Swiss Network Operators Group (SwiNOG) will be held in Berne on top of the Gurten on Mai 5th 2017. Important Dates for SwiNOG#31 --------------------------------------------------- 02.02.2017 Call for Papers 06.02.2017 Registration opens 17.04.2017 Call for Papers closing 21.04.2017 Final publication of agenda 28.04.2017 Registration closes 03.05.2017 Deadline for all slides 04.05.2017 Meeting day Topics for Presentations/Talks --------------------------------------------------- The number and length of presentations per session is not fixed, although due to time constraints we would prefer the length of the presentations to be between 5 to 45 minutes. Here is a non-exhaustive list of typical SwiNOG meeting topics: - Security - DDOS Mitigation - AntiSpam - IPv6 - Open Source tools - International view of the internet (incidents, outages, measurements) - Routing - Server applications (DNS, Web, etc.) - Legal issues (B‹PF, etc.) - Telecommunication politics (Net Neutrality, Incumbent monopoly, etc.) -> PLEASE feel free to talk to us about any kind of topic and collaboration!!! You can always start a discussion on the list - I'm sure people join in. Language of Slides and Talks --------------------------------------------------- The whole day will be held in English, therefore we kindly ask you to produce your presentation in English. Submission Guidelines --------------------------------------------------- All submissions must have a strong technical bias and must not be solely promotional for your employer. Please remember that your presentations should be suitable for a target audience of technicians from varied backgrounds, working for companies whose sizes may vary considerably. To submit a proposal for a presentation, we request that you provide the following information to <swinog-core at swinog.ch>: * the name of the presenter (and if applicable your affiliation) * a working email address * the name and number of the topic which will contain the presentation * the title of the presentation * its expected length (in minutes) * a short abstract of the presentation (so we know what it is about) We also welcome suggestions for specific presentations which you feel would be valuable to the SwiNOG community. Please be aware that your presentation will be published on the SwiNOG website after the event. We can publish modified slides if requested - it might be that some confidential data will be presented by you which are not intended for publication on the internet. Greetings, Simon Ryf SwiNOG Core Team General Information (SwiNOG Community) --------------------------------------------------- The Swiss Network Operators Group (SwiNOG) is an informal group of people who are concerned with engineering and operation of the Swiss Internet. SwiNOG exists to enhance the quality of Internet services available in Switzerland. It does this by fostering the free exchange of technical ideas and information between different companies and organisations. SwiNOG is a community for professionals who are operating, designing or researching the Internet. It provides a technical forum where those working on, with and for the Internet can come together to solve problems with every aspect of their (net)work. The meeting is designed to provide an opportunity for the exchange of information among network operators, engineers, researchers and other professionals close to the network community. More information about SwiNOG can be found at http://www.swinog.ch/, Facebook, Xing, Information about the meeting will be published at http://www.swinog.ch/meetings/swinog31/ General Information (SwiNOG Organisation) --------------------------------------------------- The SwiNOG Organisation Association is a non-profit association under article 60 and further of the swiss civil law. It manages the SwiNOG community ressources (domain, web, mailing-lists, etc..) and organises SwiNOG meetings. Contact: SwiNOG Organisation 8000 Zurich Switzerland

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New nameserver for LI/CH
by Oli Schacher 30 Jan '17

30 Jan '17

Hi SwiNOG We would like to inform you about a new nameserver in the the .LI and .CH zones. g.nic.ch / g.nic.li is anycasted in over 40 locations worldwide, including Zurich. It is operated by CommunityDNS and hosts various other TLDs as well. In order to get the best possible RTT from this nameserver and increased resiliency against potential DDOS attacks on the DNS infrastructure we encourage network operators to peer with AS42909 at SwissIX: https://www.swissix.ch/participation/participants/participant-details?as=42… Best regards Oli SWITCH DNS operations

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Coordinated network attacks?
by Mike Kellenberger 27 Jan '17

27 Jan '17

Hi all The Scout-group on wednesday, Hostpoint yesterday, Metanet right now - all having network problems. Does anybody know any specifics or if these incidents are or could be related? Regards, Mike -- Mike Kellenberger | Escapenet GmbH www.escapenet.ch +41 52 235 0700/04 Skype mikek70atwork

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Swisscom IP-Plus Nameserver
by Mario Rimann 26 Jan '17

26 Jan '17

Hi Can someone from IP-Plus / Swisscom contact me off-list regarding an issue with the IP-Plus Nameservers (ns1/ns2.ip-plus.net)? (Mail or +41 41 748 02 44) (I've given up on the hotline after almost an hour and talking to 5+ departments not coming to a solution) Cheers, Mario

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SwiNOG-BE163 - Beer Event 163 @ Don Weber Zurich, TUESDAY, 2017-01-31
by Emanuel Kleindienst 26 Jan '17

26 Jan '17

Dear SwiNOGers, Let's have some Beer & Food at Don Weber! Upcoming events for rest of 2017: We'll prep the complete agenda while sitting together next TUESDAY! Looking forward seeing you! Emanuel, Mobile +41 79 382 73 77, Email emanuel(a)vshn.ch Details for the next event: ----------------------------------------------- Event: SwiNOG-BE163 - Beer Event 163 When? TUESDAY, 31th January 2017 18:30 Where? Don Weber Heinrichstrasse 213, 8005 Zürich http://www.donweber.ch/ (GoogleMaps Link: http://goo.gl/maps/PqOPb) Places available? 8 As Steve's mighty SwiNOG Beering registration tools seems to be broken / offline, pls. register by email to me! Cheers, Emanuel Kleindienst -- Emanuel Kleindienst CCO VSHN AG | Neugasse 10 | CH-8005 Zürich T: +41 44 545 53 00 | M: +41 79 382 73 77 | https://vshn.ch Talk to me! https://doodle.com/VSHNemanuel

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