From nobody Tue Jan 27 13:26:34 2026 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4f0mQZ2XKmz6Pq4m for ; Tue, 27 Jan 2026 13:26:46 +0000 (UTC) (envelope-from olivier@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4f0mQZ1srZz3kjL for ; Tue, 27 Jan 2026 13:26:46 +0000 (UTC) (envelope-from olivier@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1769520406; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vXKSjGFSSAqDankG9cHzcU9TAddUidum0x6nItnnhe0=; b=sov3cpwMHgValp1YKEMsBlpVZH9Vtz8jFr4moAtaqiv13f8hJCqHmpR6ws1iJChb89AB4e Nwn0vtlJ0iyqAc/7I7MigBVWZPKcgFSr/r9XImlN3dWoQ74WAUn0IL7oeACecUGyAOtwua yvVPG87JNMcbndhCb8byNAZv+3L3pSxmSxJ/87Qy3Gs8KtcgklBL+ma8+Sf3eSTwK2tKVf X9nYEjhSXL1LJ94YrFMMiKOrquf0qhHtc/mGWECZHFYyE0CXglACMKHBq3GBcT6kLQISIn HLeA5NeKC5HUXzLKLQQzvv7Y7neYajZBbl8N+QvWp25/We+Os4h+3J8NUGKDEQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1769520406; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vXKSjGFSSAqDankG9cHzcU9TAddUidum0x6nItnnhe0=; b=Zru90WfryLcrMrr1XVT+yk9ICPMwP7rISpDSjqZrYF+jzMLEz6ObiRwNj/QWfiiXux8RLX EXkgrQJb3qzDop2yCCi/J+pKzXtri2vvKR/2pL00TS5/1NT8T9LwTWWrMS9HoL9LOlRBoE 77Bhn0hih2b5vhnlZplAy3bJ6kqPJDirhqyX2t+m4X00CtmDcNr6DvPay/TA8RDFurJfAQ 7lYL57VJcowY/zhnvx5Jsp4jZBU2ntMCXSyJIzPxnM293mcGUwcSFQA/GCMDcYh4FJkeFS cX/JNjTlmmYDYUyIJLQbl7dObu3l/7KuGbUa/7Um5t8xn9G/Au8Nfa/GZvaRIA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1769520406; a=rsa-sha256; cv=none; b=i7k3mhrgSHML48bgipstmntouMQwgaP04U3nQKNUif/4gBoYKNrOaipNaKsHk9xDXwTKOF hzW8Njjrm50Zs4cPK0kJZ+tBzwFRuVSNNN2vwuw2GTfpizaWIwl5QP8xRP+MVO9VE89kV5 np9Sc6rcgX6pabtuUsozrAarFUvtBiD7tLGKZlb/5rEXRz1PyqainqTeHidDrYxF1egsVv xxej2mcCz5TZqU2VMKVdvWLcFaHUjWITCocqXdZ/nzhu8tj61mZSXarOQkaBWIgZPsQWOI oQ39jyaOEP8CLwwCLbuRQlCR55v7NntI+CO7Uta1OdW4Fpqh8Blkxwx+B/OEEw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from mail-oa1-f43.google.com (mail-oa1-f43.google.com [209.85.160.43]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) (Authenticated sender: olivier/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4f0mQZ0vRqzB7d for ; Tue, 27 Jan 2026 13:26:46 +0000 (UTC) (envelope-from olivier@freebsd.org) Received: by mail-oa1-f43.google.com with SMTP id 586e51a60fabf-404263bd58fso3914668fac.1 for ; Tue, 27 Jan 2026 05:26:46 -0800 (PST) X-Gm-Message-State: AOJu0YwQpJ7rpBMJCwJ+PlOGqWeZpEgCmDog6eF9oj4Qoy+wS23a4FmK dknsm4opwBI0Ef/knokFmkAvoM2wqxhQi0k+DHTuvd3xubwh6d4Afo2jM5j8GEzeLfyt+sjsv+p Vg+4cI5LlPodr9HxCg3hPPo9s747LpNo= X-Received: by 2002:a05:6820:1904:b0:659:9a49:8ee4 with SMTP id 006d021491bc7-662f20c687amr952730eaf.24.1769520405282; Tue, 27 Jan 2026 05:26:45 -0800 (PST) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 References: <9cda2fbc-b8fb-44d1-8c1f-88395d741af7@FreeBSD.org> In-Reply-To: <9cda2fbc-b8fb-44d1-8c1f-88395d741af7@FreeBSD.org> From: =?UTF-8?Q?Olivier_Cochard=2DLabb=C3=A9?= Date: Tue, 27 Jan 2026 14:26:34 +0100 X-Gmail-Original-Message-ID: X-Gm-Features: AZwV_QjDLvQHpuxiPVmdSccD7SKgXjOIVwOqPIcZvcP3_xMiouGKWLVLJk5HuHQ Message-ID: Subject: Re: we should enable RFC7217 by default To: Pouria Mousavizadeh Tehrani Cc: freebsd-current@freebsd.org, madpilot@freebsd.org Content-Type: multipart/alternative; boundary="0000000000002e046d06495e9341" --0000000000002e046d06495e9341 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Jan 27, 2026 at 1:05=E2=80=AFAM Pouria Mousavizadeh Tehrani < pouria@freebsd.org> wrote: > > What do you think? > > In a server environment, administrators typically assign static IPv6 addresses manually and do not use the EUI-64 method. Switching to RFC 7217 should impact mainly desktops and laptops (the main beneficiaries of this privacy feature). While some cloud setups use SLAAC, a major release (16.0) is the appropriate time for such a change to ensure we follow modern security standards by default. I support this change. Olivier --0000000000002e046d06495e9341 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

On = Tue, Jan 27, 2026 at 1:05=E2=80=AFAM Pouria Mousavizadeh Tehrani <pouria@freebsd.org> wrote:

What do you think?



<= div class=3D"gmail_default" style=3D"font-family:"courier new",mo= nospace">In a server environment, administrators typically assign static IP= v6 addresses manually and do not use the EUI-64 method.
Switching to RFC= 7217 should impact mainly desktops and laptops (the main beneficiaries of = this privacy feature).
While some cloud setups use SLAAC, a = major release (16.0) is the appropriate time for such a change to ensure we= follow modern security standards by default.
I support this= change.

Olivier
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