From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:42716 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753294AbeGFL7V (ORCPT ); Fri, 6 Jul 2018 07:59:21 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w66Bwpro114163 for ; Fri, 6 Jul 2018 07:59:20 -0400 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0b-001b2d01.pphosted.com with ESMTP id 2k26h1khxw-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 06 Jul 2018 07:59:20 -0400 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 6 Jul 2018 12:59:19 +0100 Subject: Re: Question on IMA Policy From: Mimi Zohar To: Martin Townsend , linux-integrity@vger.kernel.org Date: Fri, 06 Jul 2018 07:59:04 -0400 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Message-Id: <1530878344.12156.53.camel@linux.ibm.com> Sender: linux-integrity-owner@vger.kernel.org List-ID: Hi Martin, On Fri, 2018-07-06 at 10:46 +0100, Martin Townsend wrote: > Hi, > > If I have a root filesystem signed for IMA/EVM could I have a policy > that says appraise every file on this filesystem. Looking through the > source code I think I could use > > appraise fsuuid=uuid-of-root-fs appraise_type=imasig > > Would this do what I want? Yes, that looks right. Remember all files on this filesystem will be considered "immutable", meaning you won't be able to write/update them, only delete them. Mimi