From owner-freebsd-questions@freebsd.org Wed Jun 17 18:53:26 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3654B33008C for ; Wed, 17 Jun 2020 18:53:26 +0000 (UTC) (envelope-from johnl@iecc.com) Received: from gal.iecc.com (gal.iecc.com [IPv6:2001:470:1f07:1126:0:43:6f73:7461]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gal.iecc.com", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49nDjd4prpz4Kdp for ; Wed, 17 Jun 2020 18:53:25 +0000 (UTC) (envelope-from johnl@iecc.com) Received: (qmail 26273 invoked from network); 17 Jun 2020 18:53:24 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com; h=date:message-id:from:to:subject:in-reply-to:references:mime-version:content-type:content-transfer-encoding; s=669c.5eea66a4.k2006; bh=Q4Zyt/113TW45rO9nKnD3Z8d4ksF/hxyJ4YMv3fKbCo=; b=dYj1mrPd+TRPBaI6m5PeBVIZI4V1+R0cLESFGel+n6EtnLBCyHHy5+w53H805z32612sbc3PdD9J0tCju4t5TUwiYiBj/FneQoAgMazgYvzH8zwNpL1eGM8V4IE0djtyrjwZ646IbkwnO8utkUwqrRK0o0J73n75igRQOB3+2nbz2TkDHdevrRQ8j8dK9yOPmNzi+7kjcFde9WA8+73C/oH2dT23vsK7eoozwFm5nuJ045iwtbR+83BsyzLCozji Received: from ary.qy ([IPv6:2001:470:1f07:1126::78:696d:6170]) by imap.iecc.com ([IPv6:2001:470:1f07:1126::78:696d:6170]) with ESMTP via TCP6; 17 Jun 2020 18:53:24 -0000 Received: by ary.qy (Postfix, from userid 501) id B86B61B23798; Wed, 17 Jun 2020 14:53:23 -0400 (EDT) Date: 17 Jun 2020 14:53:23 -0400 Message-Id: <20200617185323.B86B61B23798@ary.qy> From: "John Levine" To: freebsd-questions@freebsd.org Subject: Re: Why does FreeBSD not use the Linux kernel? In-Reply-To: References: Organization: Taughannock Networks X-Headerized: yes Mime-Version: 1.0 Content-type: text/plain; charset=utf-8 Content-transfer-encoding: 8bit X-Rspamd-Queue-Id: 49nDjd4prpz4Kdp X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=iecc.com header.s=669c.5eea66a4.k2006 header.b=dYj1mrPd; dmarc=pass (policy=none) header.from=iecc.com; spf=pass (mx1.freebsd.org: domain of johnl@iecc.com designates 2001:470:1f07:1126:0:43:6f73:7461 as permitted sender) smtp.mailfrom=johnl@iecc.com X-Spamd-Result: default: False [-3.92 / 15.00]; RCVD_TLS_LAST(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[iecc.com:s=669c.5eea66a4.k2006]; NEURAL_HAM_MEDIUM(-1.00)[-1.003]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_MED(-2.00)[iecc.com:dkim]; R_SPF_ALLOW(-0.20)[+ip6:2001:470:1f07:1126::/64:c]; MV_CASE(0.50)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; NEURAL_HAM_LONG(-0.97)[-0.974]; RCPT_COUNT_ONE(0.00)[1]; HAS_ORG_HEADER(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[iecc.com:+]; DMARC_POLICY_ALLOW(-0.50)[iecc.com,none]; NEURAL_HAM_SHORT(-0.44)[-0.444]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jun 2020 18:53:26 -0000 In article , Michael Sierchio wrote: >The chief difference from my perspective is that it is possible in FreeBSD >to create a monolithic kernel and prohibit the loading of kernel modules, >foiling one step in the chain of a rootkit. It's especially convenient for >embedded devices, security appliances, etc. There's also the rather important difference that FreeBSD uses a BSD license rather than the GPL, which makes it a lot more practical for devices that are shipped as appliances. R's, John