From owner-freebsd-security Thu Mar 18 6: 4:33 1999 Delivered-To: freebsd-security@freebsd.org Received: from peach.ocn.ne.jp (peach.ocn.ne.jp [210.145.254.87]) by hub.freebsd.org (Postfix) with ESMTP id 57504153ED; Thu, 18 Mar 1999 06:04:30 -0800 (PST) (envelope-from dcs@newsguy.com) Received: from newsguy.com by peach.ocn.ne.jp (8.9.1a/OCN) id XAA06792; Thu, 18 Mar 1999 23:03:32 +0900 (JST) Message-ID: <36F10682.1028368F@newsguy.com> Date: Thu, 18 Mar 1999 22:58:26 +0900 From: "Daniel C. Sobral" X-Mailer: Mozilla 4.5 [en] (Win98; I) X-Accept-Language: pt-BR,ja MIME-Version: 1.0 To: Andrew McNaughton Cc: Dmitry Valdov , freebsd-current@FreeBSD.ORG, freebsd-security@FreeBSD.ORG Subject: Re: disk quota overriding References: <199903181243.BAA22599@aniwa.sky> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Transfer-Encoding: 7bit Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Andrew McNaughton wrote: > > I don't use quotas, and don't know a great deal about how they operate, but I think there's another disk filling DOS involving hard links lurking which the above measure would also solve. > > If a user starts making hard links to (large and growing) log files, with the new links being placed in /var/mail, then presumably those log files will not be deleted correctly as they are rolled over, and will quickly accumulate. And what the f* is the user doing with read access to the log directory? -- Daniel C. Sobral (8-DCS) dcs@newsguy.com dcs@freebsd.org "What happened?" "It moved, sir!" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message