From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.zx2c4.com (lists.zx2c4.com [165.227.139.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CD7F3CDB474 for ; Mon, 23 Oct 2023 14:24:07 +0000 (UTC) Received: by lists.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 898faffb; Mon, 23 Oct 2023 14:07:32 +0000 (UTC) Received: from filter.openoffice.nl (filter.openoffice.nl [2a01:4f8:200:546b::2eef]) by lists.zx2c4.com (ZX2C4 Mail Server) with ESMTP id c7d14afb for ; Tue, 5 Sep 2023 14:04:35 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by filter.openoffice.nl (Postfix) with ESMTP id 479C9100745 for ; Tue, 5 Sep 2023 16:04:35 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at filter.openoffice.nl Received: from filter.openoffice.nl ([127.0.0.1]) by localhost (filter.openoffice.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oJ9WIP0NSUaN for ; Tue, 5 Sep 2023 16:04:35 +0200 (CEST) Received: from blub.net (tunnel512631-pt.tunnel.tserv11.ams1.ipv6.he.net [IPv6:2001:470:1f14:4ab::2]) by filter.openoffice.nl (Postfix) with ESMTP id F1B3D10027E for ; Tue, 5 Sep 2023 16:04:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=sess.ink; s=filter; t=1693922675; bh=BvRc6c+8jfLCE+tFXmqMQ6cbBVPUQcY7SJLH2ctWOuo=; h=Date:To:From:Subject:From; b=fiF+IAZPlW5tWBIecKiVYxuqVncyfJHke8DqGguHKixp7BiCvh60qH+dz+G0qFvXb yq+xRHPuJKDQqFyO34SJxvV+r8dTP4eOynfDwGQPV/yE4/I4jcEOdD4tGVKXIfhpd7 f2y4tWelT7CvrPyGkSJVlQPs84fBoBJSO1UQ4DM11v4eLrIRoOOXQ/hs6riH7iIdAV h6PyvopFSulzhOHiQG0VzkV71yuNvK7wJyGnQx3VNwojJAg4sRo78QI8V/jJFRcnok WJMsl3WZHNXetsM8hT7K8EBuDExLgvL+LUmrQ7uB55t0OVct6dr9EjVDZMHduG4NDE Os0c0cl+N86mg== Received: from [IPV6:2a02:a46d:bbe9:0:a139:d73f:a8e:1c85] (2a02-a46d-bbe9-0-a139-d73f-a8e-1c85.fixed6.kpn.net [IPv6:2a02:a46d:bbe9:0:a139:d73f:a8e:1c85]) by blub.net (Postfix) with ESMTPSA id B11633001F0 for ; Tue, 5 Sep 2023 16:04:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=sess.ink; s=v; t=1693922674; bh=BvRc6c+8jfLCE+tFXmqMQ6cbBVPUQcY7SJLH2ctWOuo=; h=Date:To:From:Subject:From; b=ps8FvMujTKlclYsLZ+Cpvm+Oo/Es33njHuM09QQrxdnRjKEpxuk4gfRQ1sHvGTgSI RhQXjGYwYZHuCpdVHWs2YG2RJZTXUzihILBGpV3fwzcGMCrX3N+uxq2w2HsQNAB36A N+enoYyzQ7F5rz8Y97/hM88sr33ajnsFDlcBhSOuhURt6xegPi+zPuA+s2t6ZwXzNg 2oWx3rXlVeZ3HRbQL6xUK+zXx5YrY6EeXiDuV1b34pBqB3ruH1bz5yD/7MOijQSNLg aANy4lyr5jbqtlIchs3/IJYTFJGFankAX/ZTLHWUu6E/TBr/MAkSJUysXHoHMgCg2a 0/TDp/U2xWeGQ== Message-ID: <63bb2149-2d0b-df64-27f9-6e003dfdc577@openoffice.nl> Date: Tue, 5 Sep 2023 16:04:34 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 To: wireguard@lists.zx2c4.com Content-Language: nl-NL From: Valentijn Sessink Subject: AllowedIPs = ::/0 routes IPv4 - on Android? Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Mon, 23 Oct 2023 14:07:27 +0000 X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" Hi List, I have a WG endpoint configured with AllowedIPs = ::/0 ... on an Android phone. To my surprise, I found out that this also tries to route IPv4 addresses to the other WG side. I was able to change that with a single "bogus" IPv4 address, "AllowedIPs = ::/0, 192.0.2.99/32" Is this a known feature? Android 13, WireGuard for Android v1.0.20230707, (from AOSP). Best regards, Valentijn