Date: Wed, 31 Mar 1999 09:20:21 +0100 From: Dom Mitchell <Dom.Mitchell@palmerharvey.co.uk> To: Rahul Dhesi <dhesi@rahul.net> Cc: freebsd-stable@freebsd.org Subject: Re: 'make installworld' makes /var/mail world-not-writable Message-ID: <E10SGEX-0005Kj-00@voodoo.pandhm.co.uk> In-Reply-To: Rahul Dhesi's message of "Tue, 30 Mar 1999 18:58:49 -0800" <199903310258.AA09076@waltz.rahul.net>
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On 30 March 1999, Rahul Dhesi proclaimed: > "Chad R. Larson" <chad@freebie.dcfinc.com> writes: > > >The user agents are supposed to lock using the lockf(2) call on the > >mailbox, which is owned by the user. Mail transport agents, on the > >other hand, are supposed to run "set group id" to group "mail".... > > Which can work if your FreeBSD box owns the /var/mail filesystem. > > But what if it's just an NFS client and some other server exports > /var/mail to it, and there are a bunch of other clients that all use > .lock files on that filesystem? > > Unlike / and /usr and /etc, which can be considered private to each > machine, /var/mail is much more likely to be a global filesystem with a > site-wide, not machine-specific, file locking policy and permissions. Nope. Anybody using an NFS mounted /var/mail gets what they deserve. Use POP3, IMAP and SMTP and stop worrying about things. -- Dom Mitchell -- Palmer & Harvey McLane -- Unix Systems Administrator "Value of 2 may go down as well as up" -- FORTRAN programmers manual -- ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. ********************************************************************** To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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