Date: Thu, 10 Dec 1998 12:33:20 -0600 (CST) From: James Wyatt <jwyatt@rwsystr.RWSystems.net> To: Jim Yuill <jjyuill@eos.ncsu.edu> Cc: FREEBSD-SECURITY@FreeBSD.ORG Subject: Re: append-only devices for logging Message-ID: <Pine.LNX.3.91.981210122506.24133A-100000@rwsystr.RWSystems.net> In-Reply-To: <3.0.5.32.19981209185323.0093dc90@pop-in.ncsu.edu>
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On Wed, 9 Dec 1998, Jim Yuill wrote: > I've been looking for an append-only device for logging, which a remote > hacker (with root access) can not erase or alter. Other than a > line-printer, are there any such devices that actually work with Unix? > > >From what I understand, a write-once CD has restricted writing capability > that would make it unsuitable for logging. We've configured a machine (at another customer's site) to write logs to a serial port that a second machine sucks-up and writes to a hard drive. It was just running ProComm+ for DOS in ASCII-file-download mode. Since it was DOS, remote logins were not an issue. Nowadays I would likely use a stripped-down FreeBSD box and cat (or minicom) the serial port to a file. It *could* be configured with a small web server (no CGI) to write the files to HTML-space for remote reading, but disallow *any* other remote access. I've also done something similar with PBX SMDR output to a LAN drive for a custom (homebrew you get paid for 8{) call-accounting package. Hope this helps someone - Jy@ (jwyatt@rwsystems.net) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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