From owner-freebsd-questions Thu Nov 20 09:17:43 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id JAA18982 for questions-outgoing; Thu, 20 Nov 1997 09:17:43 -0800 (PST) (envelope-from owner-freebsd-questions) Received: from caduceus.FH.Com ([207.105.168.100]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id JAA18977 for ; Thu, 20 Nov 1997 09:17:41 -0800 (PST) (envelope-from Ian_Mckinnon@Notes.FH.Com) Received: from ariel.foundation.com by caduceus.FH.Com (5.x/SMI-SVR4) id AA07924; Thu, 20 Nov 1997 09:17:39 -0800 Received: from Hazel_MTA.foundation.com by FH.Com (PMDF V5.1-10 #8238) with SMTP id <01IQ87DRK4CW8WXUUL@FH.Com> for questions@FreeBSD.org; Thu, 20 Nov 1997 09:17:36 PST Received: by Hazel_MTA.foundation.com(Lotus SMTP MTA v1.1 (385.6 5-6-1997)) id 88256555.005EFC60 ; Thu, 20 Nov 1997 09:17:29 -0800 Date: Thu, 20 Nov 1997 09:17:17 -0800 From: Ian Mckinnon Subject: Sendmail and Dialup connectivity. To: questions@FreeBSD.org Message-Id: <88256555.005EA084.00@Hazel_MTA.foundation.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Lotus-Fromdomain: FHS Sender: owner-freebsd-questions@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk I have heard that someone else can use your sendmail from the internet to route messages to other sources, and that it is also a hole through security into your system. What is the truth of this and what can I do to prevent it. Can I shut down sendmail during PPP connections? Ian McKinnon System Admin, FHS