From owner-freebsd-questions Wed Jan 17 19:54:44 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id TAA05604 for questions-outgoing; Wed, 17 Jan 1996 19:54:44 -0800 (PST) Received: from hoover.stanford.edu (hoover.Stanford.EDU [36.33.0.99]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id TAA05595 for ; Wed, 17 Jan 1996 19:54:40 -0800 (PST) Received: from HOOVER.STANFORD.EDU by HOOVER.STANFORD.EDU (PMDF V4.3-10 #13307) id <01I04NDA91J400BJ0X@HOOVER.STANFORD.EDU>; Wed, 17 Jan 1996 19:55:39 -0800 (PST) Date: Wed, 17 Jan 1996 19:55:39 -0800 (PST) From: Annelise Anderson Subject: Re: ethernet packet sniffer. To: hsu@freefall.freebsd.org Cc: questions@freebsd.org Message-id: <01I04NDA9KTU00BJ0X@HOOVER.STANFORD.EDU> X-VMS-To: IN%"hsu@freefall.freebsd.org" X-VMS-Cc: IN%"questions@freebsd.org",ANDRSN MIME-version: 1.0 Content-type: TEXT/PLAIN; CHARSET=US-ASCII Content-transfer-encoding: 7BIT Sender: owner-questions@freebsd.org Precedence: bulk >> It sounds like the sys admin--or anyone with root privileges--can >> read absolutely everything going on--all e-mail in and out >It's worse than that. Anyone w/ an ethernet connection on your net >can read everything going in or out, not just sysadmins or those with >root priviledges on your machine. If you're really worried about >security, there's encrypted rlogin and pgp encryption for mail. Anyone with an ethernet connection on "my net" can read everything (or log it and read it later, search for key words, send it to someone else, etc....) Question: what's "my net"? How do I find out? Is there anything like, say, a radar detector that determines if anyone else is doing this on "my net"? Annelise