From owner-freebsd-security Mon Jun 10 08:41:32 1996 Return-Path: owner-security Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id IAA18341 for security-outgoing; Mon, 10 Jun 1996 08:41:32 -0700 (PDT) Received: from halloran-eldar.lcs.mit.edu (halloran-eldar.lcs.mit.edu [18.26.0.159]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id IAA18281 for ; Mon, 10 Jun 1996 08:41:17 -0700 (PDT) Received: by halloran-eldar.lcs.mit.edu; (5.65/1.1.8.2/19Aug95-0530PM) id AA13821; Mon, 10 Jun 1996 11:40:26 -0400 Date: Mon, 10 Jun 1996 11:40:26 -0400 From: Garrett Wollman Message-Id: <9606101540.AA13821@halloran-eldar.lcs.mit.edu> To: Brian Tao Cc: FREEBSD-SECURITY-L Subject: Re: Effects of kern.securelevel >= 0 In-Reply-To: References: <9606092044.AA08601@halloran-eldar.lcs.mit.edu> Sender: owner-security@freebsd.org X-Loop: FreeBSD.org Precedence: bulk < said: >> No. It is automatically increased by init if it starts out as >=0. > You mean "<= 0"? I haven't fiddled with the default startup value > here, and a 'sysctl kern.securelevel' in multiuser mode shows it is > still at level -1. No, I mean >=0. If it is less than zero, then init doesn't touch it. If it is any other value x >= 0 at the end of /etc/rc, then init will raise it to x+1, and lower it back to 0 when re-entering single-user mode (as via `shutdown' without `-r' or `-h'). -GAWollman -- Garrett A. Wollman | Shashish is simple, it's discreet, it's brief. ... wollman@lcs.mit.edu | Shashish is the bonding of hearts in spite of distance. Opinions not those of| It is a bond more powerful than absence. We like people MIT, LCS, ANA, or NSA| who like Shashish. - Claude McKenzie + Florent Vollant