MESSAGE
DATE | 2018-03-04 |
FROM | valdis.kletnieks@vt.edu
|
SUBJECT | Re: [Hangout - NYLXS] Year 2038 time set problem
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From hangout-bounces-at-nylxs.com Mon Mar 5 20:45:40 2018 Return-Path: X-Original-To: archive-at-mrbrklyn.com Delivered-To: archive-at-mrbrklyn.com Received: from www2.mrbrklyn.com (www2.mrbrklyn.com [96.57.23.82]) by mrbrklyn.com (Postfix) with ESMTP id 9070316113A; Mon, 5 Mar 2018 20:45:39 -0500 (EST) X-Original-To: hangout-at-www2.mrbrklyn.com Delivered-To: hangout-at-www2.mrbrklyn.com Received: by mrbrklyn.com (Postfix, from userid 1000) id 7E9E2161134; Mon, 5 Mar 2018 20:45:37 -0500 (EST) Resent-From: Ruben Safir Resent-Date: Mon, 5 Mar 2018 20:45:37 -0500 Resent-Message-ID: <20180306014537.GQ2765-at-www2.mrbrklyn.com> Resent-To: hangout-at-mrbrklyn.com X-Original-To: ruben-at-mrbrklyn.com Delivered-To: ruben-at-mrbrklyn.com Received: from omr1.cc.vt.edu (outbound.smtp.vt.edu [198.82.183.121]) by mrbrklyn.com (Postfix) with ESMTP id 5E839161132 for ; Sun, 4 Mar 2018 23:16:06 -0500 (EST) Received: from mr3.cc.vt.edu (mr3.cc.vt.edu [IPv6:2607:b400:92:8500:0:7f:b804:6b0a]) by omr1.cc.vt.edu (8.14.4/8.14.4) with ESMTP id w254G6mV003252 for ; Sun, 4 Mar 2018 23:16:06 -0500 Received: from mail-qt0-f198.google.com (mail-qt0-f198.google.com [209.85.216.198]) by mr3.cc.vt.edu (8.14.7/8.14.7) with ESMTP id w254G14V007712 for ; Sun, 4 Mar 2018 23:16:06 -0500 Received: by mail-qt0-f198.google.com with SMTP id g13so13226233qtj.15 for ; Sun, 04 Mar 2018 20:16:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=60WyMjfCm8Ze7xu1fMsQTBrUtY0WEY/1s/idCAHaFSA=; b=Mq1WQIzhJJiIExzYq9TceBoAU1p8U23QN7Ex/P0Zl54ozO+DE2VC2e97vpz/MV84MG wmUuDUVBMr3hUp0DHxgJwtoHpeeGBrNFCt7GtA6kOFU8aQEqmuk7CBLQkISKQRt9CiwT ILlUSe/FqPCUATld2PtigRZr4h55H1cCdYjJGyc/Y4L7Tu26KwZf8f9IpoHV/B2zSzLb zCK/OzZmztzIUgwX4AL/+wurw/zdaOK7BoJizTWpjowpxpeV+IqK772SD8YFGXye23vY n6PSHoTTruw44/7t5TPXeHYluv5BDbYLo7yRilvw/WEWoMhZvgsEjF5sGM1BLPH5I1HZ dTVQ== X-Gm-Message-State: AElRT7HhZIq8gkpMFOjgd6a1L2Axo129oX/zjgfsP4lmrSL2579D8Uyr 3QG8KtzITR/6NmwhoOeS8M11D7wqSXYbJQpw8o4Vj0RciIYKPPIm5AckZsd+8HR9Eu5I4MF0r5Z aByXVl2KbHjbHJ+GvOXo8vcn1VYhtDogpYwlUAamWe5eiOEIRG47AzLpfNgeNW25214sEwgsl5/ 5V0WA= X-Received: by 10.55.97.66 with SMTP id v63mr19266417qkb.266.1520223360675; Sun, 04 Mar 2018 20:16:00 -0800 (PST) X-Google-Smtp-Source: AG47ELvQbXQ928h0YLdOM0tWCRtfiOfwqJkZVmsnLfO39qVJgjqzIc1Ff9w7iH56/MaIX1Gm+qnyEA== X-Received: by 10.55.97.66 with SMTP id v63mr19266406qkb.266.1520223360411; Sun, 04 Mar 2018 20:16:00 -0800 (PST) Received: from turing-police.cc.vt.edu ([2601:5c0:c001:4342:f962:5e05:19b5:1136]) by smtp.gmail.com with ESMTPSA id n187sm7857381qke.48.2018.03.04.20.15.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 04 Mar 2018 20:15:58 -0800 (PST) From: valdis.kletnieks-at-vt.edu X-Google-Original-From: Valdis.Kletnieks-at-vt.edu X-Mailer: exmh version 2.8.0 04/21/2017 with nmh-1.7+dev To: Ruben Safir In-Reply-To: <80280427-f23e-ae30-a3cd-5230c7a5de06-at-mrbrklyn.com> References: <77520.1520202258-at-turing-police.cc.vt.edu> <80280427-f23e-ae30-a3cd-5230c7a5de06-at-mrbrklyn.com> Mime-Version: 1.0 Date: Sun, 04 Mar 2018 23:15:58 -0500 Message-ID: <118179.1520223358-at-turing-police.cc.vt.edu> X-UID: 46784 Cc: kernelnewbies-at-kernelnewbies.org Subject: Re: [Hangout - NYLXS] Year 2038 time set problem X-BeenThere: hangout-at-nylxs.com X-Mailman-Version: 2.1.17 Precedence: list List-Id: NYLXS Tech Talk and Politics List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0922501139==" Errors-To: hangout-bounces-at-nylxs.com Sender: "Hangout"
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On Sun, 04 Mar 2018 21:21:13 -0500, Ruben Safir said:
> I am not setting up a high availability cluster in my house, thank you. > And fwiw, I've run systems for 6-8 years without rebooting on pc > hardware. My little fanless fit/pc service running an intel atom had at > one time run 5 years without rebooting. I only had a system fry once > while it was up an running since the late 1990's until today, and in > that case it was wild power surge and the hardware was up and running in > 20 minutes with a swap out of the hard drive.
The fact that you've kept a system going for 8 years without a reboot isn't proof that actually doing so is a good idea security wise.
> The linux kernel is integrated into dozens of devices which never see > the light of day for kernel upgrades from PPOE routers, IOT devices, > cellphones, VOIP boxes, electrocardiograms, menu displays for McDonalds, > signal boxes on train systems, etc etc etc.
The big problem *there* isn't that a reboot is often required.
The problem is that the vendors won't ship a patched system to reboot *into*.
> What has been described is a huge security problem and your solution is > a non-starter and doesn't help the broader problem.
I repeat what I said - if you can't afford a reboot because it's mission critical, you can't afford to *not* be doing HA or load balancing or something.
The Internet of Pwned Things problem is with systems where a reboot *is* feasible (are you going to notice if your light bulb reboots at 3AM when it's off anyhow?), but vendors have no ecomonic incentive to provide fixes after they've got your money (unless they can monetize you post-purchase - and most people won't pay for a support contract, so the vendor's only realistic choice is monetizing your data..)
And that's a totally orthogonal issue.
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_______________________________________________ Hangout mailing list Hangout-at-nylxs.com http://lists.mrbrklyn.com/mailman/listinfo/hangout
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On Sun, 04 Mar 2018 21:21:13 -0500, Ruben Safir said:
> I am not setting up a high availability cluster in my house, thank you. > And fwiw, I've run systems for 6-8 years without rebooting on pc > hardware. My little fanless fit/pc service running an intel atom had at > one time run 5 years without rebooting. I only had a system fry once > while it was up an running since the late 1990's until today, and in > that case it was wild power surge and the hardware was up and running in > 20 minutes with a swap out of the hard drive.
The fact that you've kept a system going for 8 years without a reboot isn't proof that actually doing so is a good idea security wise.
> The linux kernel is integrated into dozens of devices which never see > the light of day for kernel upgrades from PPOE routers, IOT devices, > cellphones, VOIP boxes, electrocardiograms, menu displays for McDonalds, > signal boxes on train systems, etc etc etc.
The big problem *there* isn't that a reboot is often required.
The problem is that the vendors won't ship a patched system to reboot *into*.
> What has been described is a huge security problem and your solution is > a non-starter and doesn't help the broader problem.
I repeat what I said - if you can't afford a reboot because it's mission critical, you can't afford to *not* be doing HA or load balancing or something.
The Internet of Pwned Things problem is with systems where a reboot *is* feasible (are you going to notice if your light bulb reboots at 3AM when it's off anyhow?), but vendors have no ecomonic incentive to provide fixes after they've got your money (unless they can monetize you post-purchase - and most people won't pay for a support contract, so the vendor's only realistic choice is monetizing your data..)
And that's a totally orthogonal issue.
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_______________________________________________ Hangout mailing list Hangout-at-nylxs.com http://lists.mrbrklyn.com/mailman/listinfo/hangout
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