From tmark@isc.org Fri May 12 10:37:16 2017 MIME-Version: 1.0 In-Reply-To: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00, RP_MATCHES_RCVD autolearn=ham autolearn_force=no version=3.4.1 X-RT-Interface: API References: <143325082.244893.1458230693053.JavaMail.yahoo.ref@mail.yahoo.com> <143325082.244893.1458230693053.JavaMail.yahoo@mail.yahoo.com> <1436676531.343933.1458236010909.JavaMail.yahoo@mail.yahoo.com> <2136884451.1058356.1458326519850.JavaMail.yahoo@mail.yahoo.com> <195690069.1268703.1458348413110.JavaMail.yahoo@mail.yahoo.com> <182005532.1332564.1458348598299.JavaMail.yahoo@mail.yahoo.com> <1604477229.7685346.1494545808414@mail.yahoo.com> Message-ID: content-type: text/plain; charset="utf-8" X-RT-Original-Encoding: utf-8 Received: from mx.ams1.isc.org (mx.ams1.isc.org [199.6.1.65]) by bugs.isc.org (Postfix) with ESMTP id EF4BB71B5A8 for ; Fri, 12 May 2017 10:37:15 +0000 (UTC) Received: from zmx1.isc.org (zmx1.isc.org [149.20.0.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx.ams1.isc.org (Postfix) with ESMTPS id 760D324AE0A for ; Fri, 12 May 2017 10:35:55 +0000 (UTC) Received: from zmx1.isc.org (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTPS id F016F16004A for ; Fri, 12 May 2017 10:35:56 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zmx1.isc.org (Postfix) with ESMTP id C5A7216006B for ; Fri, 12 May 2017 10:35:56 +0000 (UTC) Received: from zmx1.isc.org ([127.0.0.1]) by localhost (zmx1.isc.org [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id uqZZqAA55TLR for ; Fri, 12 May 2017 10:35:56 +0000 (UTC) Received: from [149.20.66.242] (242.66.20.149.in-addr.arpa [149.20.66.242]) by zmx1.isc.org (Postfix) with ESMTPSA id 7489116004A for ; Fri, 12 May 2017 10:35:56 +0000 (UTC) Delivered-To: dhcp-review@bugs.isc.org User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 Subject: Re: [ISC-Bugs #41976] Failover + infinite leases Return-Path: X-Original-To: dhcp-review@bugs.isc.org Date: Fri, 12 May 2017 06:35:55 -0400 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mx.ams1.isc.org To: dhcp-review@isc.org Content-Transfer-Encoding: 7bit From: "Thomas Markwalder" RT-Message-ID: Content-Length: 710 On 5/12/17 3:34 AM, Francis Dupont via RT wrote: > On Thu May 11 23:36:53 2017, alessandro.gherardi@yahoo.com wrote: >> Hi Thomas,Thank you for the update. >> I have a question: Since the failover protocol uses 32-bits >> timestamps, it is not y2k38 safe. Correct? > => half correct: the failover uses unsigned timestamps, > the y2k38 issue is for signed timestamps, e.g. ANSI time_t. > >> Does your fix include changing protocol to make it y2k38 safe, >> or will that still be an issue? > => no, it should break in 21 years... > > > > To clarify, Alessandro: The failover draft rfc dictates 4-byte time values: https://tools.ietf.org/html/draft-ietf-dhc-failover-12#page-51. Regards, Thomas Markwalder