Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!ncar!ames!haven!ni.umd.edu!sayshell.umd.edu!louie From: louie@sayshell.umd.edu (Louis A. Mamakos) Newsgroups: comp.sys.next Subject: Re: Security Hole? Message-ID: <1990Dec14.131912.28355@ni.umd.edu> Date: 14 Dec 90 13:19:12 GMT References: <49464@cornell.UUCP> <108170004@hpcuhd.HP.COM> Sender: usenet@ni.umd.edu (USENET News System) Organization: University of Maryland, College Park Lines: 23 Nntp-Posting-Host: sayshell.umd.edu In article <108170004@hpcuhd.HP.COM> edwardm@hpcuhd.HP.COM (Edward McClanahan) writes: >Correct me if I am wrong, but doesn't "disabling" Public Window Server merely >prevent processes running on other NeXT's (etc...) from openning the display >on my local NeXT and posting a window to it? I suspect that Public Sound Port >works the same way. Yes, I presume that it prevent access via the Mach network messaging facility which make inter-machine Mach messaging look transparent. > Neither of these "settings" prevents the case where the >snooper on a remote machine "logs in" to my NeXT and runs a process on my NeXT >which attaches to the display or the microphone. Well, I just assumed that it was pretty obvious that if you were concerned about this type of "security", that you wouldn't let any random "snooper" log into your machine. > I think this is the situation >that the original poster felt there no defense for. For me, I don't intend on >letting others run programs on my machine (:-)). louie