swinog

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2940 discussions

SwiNOG #22 Announcement
by Pascal Gloor 17 Mar '11

17 Mar '11

Dear SwiNOGers, The next SwiNOG meeting, SwiNOG #22, will be held at the Gurtenpark, Bern on 9 May 2011. Registration will open soon and will be announced. Call for papers will be sent today in a separate message. Planned Timeline: 17.03.2011 Announcement of Meeting 17.03.2011 Call for Papers 24.03.2011 Registration opens 18.04.2011 Call for Papers closing 25.04.2011 Final publication of agenda 01.05.2011 Registration closes 05.05.2011 Deadline for all slides 09.05.2011 Meeting day Have a nice day, Pascal Gloor SwiNOG Core-Team

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swiss hacker event
by julien mabillard 16 Mar '11

16 Mar '11

Hi, I was wondering if some people here plan to partcipate or already participate to this great event: https://www.swisscyberstorm.com/ Sounds like a rare security event that usually take place in US or Asia. Regards. -- refs : https://v6.mbuf.net or https://mbuf.net (if still using ipv4..)

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seeking GE housing/hosting provider
by julien mabillard 16 Mar '11

16 Mar '11

Sorry for the noise but I need, for a VOIP company, a housing provider in Geneva that could make a proposal for the detailed offer here: https://mbuf.net/freelance/cavoon-offer.html It requires mainly Internet feed, some rackspace, shared storage service. Thank you. -- refs : https://v6.mbuf.net or https://mbuf.net (if still using ipv4..)

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seeking for geneva housing/hosting/colo provider
by maj＠mbuf.net 16 Mar '11

16 Mar '11

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seeking for geneva housing/hosting/colo provider
by maj＠mbuf.net 15 Mar '11

15 Mar '11

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Bluewin dynamic IP-ranges
by Philip Iezzi 15 Mar '11

15 Mar '11

Hi Can someone from Bluewin/Swisscom please provide me with a list of all possible dynamic IP-ranges Bluewin offers to its customers? I need this for a firewall rule that should give access to a service for all Bluewin customers. Thanks a lot. Regards, Philip

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Spam-Points if there is no SPF Record?
by Benoit Panizzon 15 Mar '11

15 Mar '11

Hi out there We got two customers (one is another ISP) pretending that they have observed, that Google, Sunrise and other Services have startet flagging their customer's emails as spam, because the sender domain has not SPF record. Not an 'non matching' SPF record, but the sender just dones not use SPF at all. From my point of view especialy an ISP should be very carefull with SPF. There are hundreds of customers using their email addresses via foreign SMTP Servers. So if you start using SPF als ISP you have to instruct your customers to use SMPT-Auth. Furthermore web based feeback forms and similar would not work anymore if the ip address of that web server is not published as valid sender. And not many mailers who do forward emails are SRS compliant. So what are your experiences out there? Has someone else observed some ISP having started penalizing emails from sender domains who don't use SPF? Mit freundlichen Grüssen Benoit Panizzon -- I m p r o W a r e A G - ______________________________________________________ Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 Pratteln Fax +41 61 826 93 02 Schweiz Web http://www.imp.ch ______________________________________________________

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bluewin.ch internal blacklist
by Sergey Cheremnykh 14 Mar '11

14 Mar '11

Hi all. Our mailserver is rejected by the bluewin.ch MX with reason "Connection not accepted from blacklisted IP address", but I found no entry in the usual blacklists. Can somebody from bluewin abuse team please contact me offlist? Problem already reported to abuse e-mail but no answer yet.

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HVAC question
by Eric Moeschler 14 Mar '11

14 Mar '11

Hi there I am maybe a bit out of usual topics, but I am confident with the ability to hear some proper and useful advices as you guys work within IT room. I am planning on building a small server room, but before to call any professional to make a proper quotation, I am looking for some advices of HVAC cooling solutions and brands. I will want to cool about 15 kW of servers within 6 months and I except about maximum 50kW within two years. Are there any modularly HVAC systems that could be upgraded to deal with extra heat? Also as a rule of thumb what budget do you think I should plan for such system? I mean the HVAC unit only, not the work and all related work and operational costs. If you have brands or people to advice, please do not hesitate to send me a private message offline, any help appreciated. Eric

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Re: [swinog] Spam-Points if there is no SPF Record?
by Oliver Schad 14 Mar '11

14 Mar '11

Am Monday 14 March 2011 schrieb mir Benoit Panizzon: > We got two customers (one is another ISP) pretending that they have > observed, that Google, Sunrise and other Services have startet > flagging their customer's emails as spam, because the sender domain > has not SPF record. Not an 'non matching' SPF record, but the sender > just dones not use SPF at all. > > From my point of view especialy an ISP should be very carefull with > SPF. Indeed. In my point of view, SPF is only useful in very special cases because the drawbacks are very wide spreaded and the benefit even small. Forcing SPF for cases where it doesn't fit is a very "interesting" step. Using SPF in a spam filter to give some minor positive weighting in the spam score is ok but to use it to flag spam? I can't imagine that somebody does that. It sounds very stupid to me. Regards Oli

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