From nobody Mon Mar 11 10:45:42 2024 X-Original-To: freebsd-questions@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 4TtYN30PgLz5Ck3p for ; Mon, 11 Mar 2024 10:45:55 +0000 (UTC) (envelope-from 4250.82.1d529000072eb8f.47ec2e5c97702f1b6c195c690ddff235@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (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 4TtYN25pRgz3yDf for ; Mon, 11 Mar 2024 10:45:54 +0000 (UTC) (envelope-from 4250.82.1d529000072eb8f.47ec2e5c97702f1b6c195c690ddff235@email-od.com) Authentication-Results: mx1.freebsd.org; none DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1710153955; x=1712745955; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:cc:to:from:date:x-thread-info:subject:to:from:cc:reply-to; bh=TKVBNBYMd2Vi7PpuKQ1bjM1fsKmS3xcilQM3CIAws6A=; b=WVuOZ7uOv85VQuPOQnz72OCoS9ykkZxrup0GBqvXqFB1eqVwyhJ2neBRsCx9L0Xte+xZix8feboBt7qGIHGpfYaou+GCKTuvqYbWgynaNibOTelD8PXuiZB9qHTDwcjgLlGFrH1uIkMw6xjCOcyKkyxzRX1+2/+RjpA95WkZ3UE= X-Thread-Info: NDI1MC4xMi4xZDUyOTAwMDA3MmViOGYuZnJlZWJzZC1xdWVzdGlvbnM9ZnJlZWJzZC5vcmc= Received: from r2.us-west-2.aws.in.socketlabs.com (r2.us-west-2.aws.in.socketlabs.com [142.0.190.2]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Mon, 11 Mar 2024 06:45:47 -0400 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r2.us-west-2.aws.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Mon, 11 Mar 2024 06:45:45 -0400 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.95 (FreeBSD)) (envelope-from ) id 1rjdA7-000E9F-5K; Mon, 11 Mar 2024 10:45:43 +0000 Date: Mon, 11 Mar 2024 10:45:42 +0000 From: Steve O'Hara-Smith To: Matthias Apitz Cc: freebsd.tug890@passmail.net, freebsd-questions@freebsd.org Subject: Re: turning off IPv6 in my wlan0 interface Message-Id: <20240311104542.80eb170922e44d7a88330a3a@sohara.org> In-Reply-To: References: <171015221334.7.15880515234214330674.283929029@passmail.net> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; amd64-portbld-freebsd13.1) X-Clacks-Overhead: "GNU Terry Pratchett" List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US] X-Rspamd-Queue-Id: 4TtYN25pRgz3yDf On Mon, 11 Mar 2024 11:30:20 +0100 Matthias Apitz wrote: > nd6 options=23 This set of interface settings are responsible for the link local address appearing and would make it accept an IPv6 address and route from a router advertising them. Adding ifdisabled to the ifconfig flags should completely disable ipV6 on the interface - from man ifconfig: --------- ifdisabled Set a flag to disable all of IPv6 network communications on the specified interface. Note that if there are already configured IPv6 addresses on that interface, all of them are marked as “tentative” and DAD will be performed when this flag is cleared. --------- -- Steve O'Hara-Smith