From nobody Fri Aug 9 23:23:34 2024 X-Original-To: net@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 4Wgg2c0Qpbz5SjkZ for ; Fri, 09 Aug 2024 23:23:36 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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 "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Wgg2b6V6Sz4rPZ for ; Fri, 9 Aug 2024 23:23:35 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1723245815; a=rsa-sha256; cv=none; b=cI6ZcsrzYFXdnklVoHDwzBZu4VYWumA5vnUKrq+VbxzP0cJfU95c2r8ytezQaoTEUnXx76 q35mtvczADiagejHxdrqwDr84DoalefawuTlB/sqCF0tXjTaVIOLqiLxUlon3Y4hqORQcC VWepagUDxQAOSZChJ6Lw2Sl0KMt5dbio4+9xSLRsdIj4MGJCip/zXqGCRmLhUT6bP36Jqi eA5YAY6OGebwxswtAx0oOcHAnf+KbcFVXBT58Ch0iQ72uZoXthH0gBcZ/+skC6TEI8MceA mMkIup1GbpnyVyTyIHocX2ppnN61kM9U6VRiYRf85iMqfx1y3y8/nKAklpCUqw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1723245815; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9qbWJxbigDq7S0QjLsqoA5QF3zUBi5OVm18bMJvObNw=; b=sK+skhRVcLmh0H4umcvYlaRfnTQqB8BzwFww81uUMUxOXp0q6qrZVeZ1GVObwvVqsfmNkO 91950trdmGgXUwO7sqoXxz/eccaIMFx0LPnX9G0+Ga8QezHc6q9/N8/4texlVFbHeB/NBN bycBwMZrauliJv1tYZMlJb+0UT7u4vB2vGlzSQfDxiVBrI0O+eHuQ78gaamy17o112qaPE i24bplwfEHQ6yDHpZmuLHCC2fRGiE9Dbqp5PVLsdowPXAZC2mWiBCDdQHKHSVV4izhaSr7 lwHdrekSKMNFyzsnpf0fx1xWhlzBrQbm+CDg5e5M6MVxVvGQhL6KQJrlXkCjqg== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4Wgg2b65kLzcXw for ; Fri, 9 Aug 2024 23:23:35 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 479NNZHo076980 for ; Fri, 9 Aug 2024 23:23:35 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 479NNZkc076976 for net@FreeBSD.org; Fri, 9 Aug 2024 23:23:35 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 280705] 0.0.0.0/32 is equivalent to 127.0.0.1/32, which may be considered a security flaw Date: Fri, 09 Aug 2024 23:23:34 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: paul@redbarn.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D280705 --- Comment #6 from paul vixie --- It has always been the case that if you bind to inaddr_any your socket will= be available on all host interface addresses, and if you connect or sendto inaddr_any you'll reach some socket bound to some host interface address. In that sense yes this will be a breaking change. However, it's "good trouble"= and we should follow openbsd's lead on the matter. --=20 You are receiving this mail because: You are the assignee for the bug.=