From owner-freebsd-net@freebsd.org Fri Mar 27 11:37:58 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 11E712725C8 for ; Fri, 27 Mar 2020 11:37:58 +0000 (UTC) (envelope-from fernando@gont.com.ar) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 48pfwy73Jsz3L1s for ; Fri, 27 Mar 2020 11:37:54 +0000 (UTC) (envelope-from fernando@gont.com.ar) Received: by mailman.nyi.freebsd.org (Postfix) id 6C33B2725C6; Fri, 27 Mar 2020 11:37:47 +0000 (UTC) Delivered-To: net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 6BA8C2725C5 for ; Fri, 27 Mar 2020 11:37:47 +0000 (UTC) (envelope-from fernando@gont.com.ar) Received: from fgont.go6lab.si (fgont.go6lab.si [91.239.96.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 48pfwV0Kcpz3Ktp; Fri, 27 Mar 2020 11:37:26 +0000 (UTC) (envelope-from fernando@gont.com.ar) Received: from [192.168.0.10] (unknown [181.45.84.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by fgont.go6lab.si (Postfix) with ESMTPSA id BCE9C83215; Fri, 27 Mar 2020 12:37:12 +0100 (CET) To: net@freebsd.org Cc: Hiroki Sato From: Fernando Gont Subject: PATCH: More appropriate vltime for IPv6 temp addrs (rfc4941bis) Message-ID: <975e56bb-a556-a1d7-937d-f08289c03911@gont.com.ar> Date: Fri, 27 Mar 2020 08:36:48 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 48pfwV0Kcpz3Ktp X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of fernando@gont.com.ar designates 91.239.96.14 as permitted sender) smtp.mailfrom=fernando@gont.com.ar X-Spamd-Result: default: False [-5.76 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[gont.com.ar]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; IP_SCORE(-3.46)[ip: (-9.18), ipnet: 91.239.96.0/23(-4.59), asn: 198644(-3.54), country: SI(0.01)]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[14.96.239.91.list.dnswl.org : 127.0.10.0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:198644, ipnet:91.239.96.0/23, country:SI]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 11:37:59 -0000 Folks, This changes the default Valid Lifetime of IPv6 temporary addresses, as per draft-ietf-6man-rfc4941bis: ---- cut here ---- diff --git nd6.h nd6.h index 857657f6e20..5254224afc0 100644 --- nd6.h +++ nd6.h @@ -185,7 +185,7 @@ struct in6_ndifreq { #define RETRANS_TIMER 1000 /* msec */ #define MIN_RANDOM_FACTOR 512 /* 1024 * 0.5 */ #define MAX_RANDOM_FACTOR 1536 /* 1024 * 1.5 */ -#define DEF_TEMP_VALID_LIFETIME 604800 /* 1 week */ +#define DEF_TEMP_VALID_LIFETIME 172800 /* 2 days (draft-ietf-6man-rfc4941bis) */ #define DEF_TEMP_PREFERRED_LIFETIME 86400 /* 1 day */ #define TEMPADDR_REGEN_ADVANCE 5 /* sec */ #define MAX_TEMP_DESYNC_FACTOR 600 /* 10 min */ ---- cut here ---- P.S.: Patch also available at: https://www.gont.com.ar/code/patch-freebsd-ipv6-tempaddr-vltime.txt Thanks, -- Fernando Gont e-mail: fernando@gont.com.ar || fgont@si6networks.com PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1