From owner-freebsd-questions@freebsd.org Wed Feb 8 15:22:59 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 56AA7CD68F2 for ; Wed, 8 Feb 2017 15:22:59 +0000 (UTC) (envelope-from byrnejb@harte-lyne.ca) Received: from inet08.hamilton.harte-lyne.ca (inet08.hamilton.harte-lyne.ca [216.185.71.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "inet08.hamilton.harte-lyne.ca", Issuer "CA_HLL_ISSUER_2016" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 2B28C1BF6 for ; Wed, 8 Feb 2017 15:22:58 +0000 (UTC) (envelope-from byrnejb@harte-lyne.ca) Received: from localhost (localhost [127.0.0.1]) by inet08.hamilton.harte-lyne.ca (Postfix) with ESMTP id A103561FBE for ; Wed, 8 Feb 2017 10:22:50 -0500 (EST) X-Virus-Scanned: amavisd-new at harte-lyne.ca Received: from inet08.hamilton.harte-lyne.ca ([127.0.0.1]) by localhost (inet08.hamilton.harte-lyne.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7m2XG4ggVoJg for ; Wed, 8 Feb 2017 10:22:48 -0500 (EST) Received: from webmail.harte-lyne.ca (inet04.hamilton.harte-lyne.ca [216.185.71.24]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by inet08.hamilton.harte-lyne.ca (Postfix) with ESMTPSA id 5AB53621B9 for ; Wed, 8 Feb 2017 10:22:48 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=harte-lyne.ca; s=dkim_hll; t=1486567368; bh=Z2Sr2NIVfwlg8Q8gQ0pp073DSTx67bzCDytyxgOOmso=; h=Date:Subject:From:To:Reply-To; b=l8BzvYWWuBMrccRBlxJWZX68OgbwLXTHiCIzkcv6HoB/hdUSmkB3QLIvkoXeO//Eb cVBzNeSLHPkF+DtHRR/cquIr1Fwp84CWbv0rV1E+3YCElAGc7JvmjR4/b9ZKCYgGzX bki+Cs1cjfnKVKFSX21D5mS8V+X0Uq8YM4v6RcEVH7hF9FQXdrGbprRiCAfed2tyVx WwiPcfKJvFmpc0MBvItWZ8ksjYMe3ZHqg0NHHbOFAnpHGKqXwQMk+9OMTxyDkVVUXB /QU3Mr7+C4Q+12uCkvAtOZ4gogYAtfcgpngAEmJzpIqmZAWTAiXJylc/TTvWG5N81a K2+hdQ+AAhptA== Received: from 216.185.71.44 (SquirrelMail authenticated user byrnejb_hll) by webmail.harte-lyne.ca with HTTP; Wed, 8 Feb 2017 10:22:48 -0500 Message-ID: <687643e26aeb858b3b5d9f5693829360.squirrel@webmail.harte-lyne.ca> Date: Wed, 8 Feb 2017 10:22:48 -0500 Subject: hardening /tmp From: "James B. Byrne" To: FreeBSD-questions@freebsd.org Reply-To: byrnejb@harte-lyne.ca User-Agent: SquirrelMail/1.4.22-4.el6 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Feb 2017 15:22:59 -0000 How do most people handle hardening /tmp and /var/tmp on FreeBSD? I can get rid of /tmp from the file system and then simply mount it as a tmpfs in /etc/fstab. tmpfs /tmp tmpfs rw,nosuid,noexec,mode=01777 0 0 However, /var/tmp is supposed to survive across reboots so how is this handled? -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3