Path: utzoo!utgpu!cunews!bnrgate!brtph3!brchh104!brchs1!bnr.ca!rice.edu!sun-spots-request From: ziegast@eng.umd.edu (Eric W. Ziegast) Newsgroups: comp.sys.sun Subject: Re: Preventing rsh's Keywords: Miscellaneous Message-ID: <1094@brchh104.bnr.ca> Date: 8 Jan 91 02:37:05 GMT Sender: news@brchh104.bnr.ca Organization: Sun-Spots Lines: 14 Approved: Sun-Spots@rice.edu X-Refs: Original: v10n3 X-Sun-Spots-Digest: Volume 10, Issue 10, message 11 X-Note: Submissions: sun-spots@rice.edu, Admin: sun-spots-request@rice.edu Oren Shani writes: >What is the best way to prevent users from rsh'ing to a machine. I need to >prevent users from logging into my host (SUN 4 running SunOS 4.0.3), by >rsh'ing xterms, while backing up, etc. So long as your machine accepts any network connections, anything can happen from the outside that mess up your dumps. This may sound rather simple, but how about bringing your Sun down to single user mode? That shuts off the outside world completely. Only you (as root) can do anything on the machine. Just use fasthalt (or shutdown if you're nice ;-) and "b -s". Eric Ziegast