Date: Wed, 4 Feb 1998 15:14:58 -0330 (NST) From: John Rochester <jr@cs.mun.ca> To: chas <panda@peace.com.my> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: minimalist /etc/services and /etc/inetd.conf Re: Security Message-ID: <Pine.OSF.3.91.980204150734.29687B-100000@garfield.cs.mun.ca> In-Reply-To: <3.0.32.19980204135923.0093ebb0@peace.com.my>
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On Wed, 4 Feb 1998, chas wrote: > Following the advice of a security book to disable all un-required > services, I was quite amazed at the default /etc/services for > FBSD (using 2.1.7). Literally hundreds of weird and wonderful services. > > But for a standard webserver, and mailserver for multiple domains, (with > telnet/ftp access for myself) is there anything else that should be removed ? > (or worse, anything that shouldn't have been culled) /etc/services is only a database that converts between the name of a particular service and the corresponding port number. There is absolutely no need to remove anything from this file, since it doesn't determine whether you are running that service. > > Would disabling discard,chargen,daytime,time have any adverse effects on > other services ? > No. They are disabled by default in 2.2.5, if I remember correctly. You could also look at /etc/sysconfig (I think - it's /etc/rc.conf in 2.2.X) to see if you have any daemons enabled there that you don't need (like lpd or sendmail). john ----- John Rochester jr@cs.mun.ca Dept. of Computer Science Memorial University of Newfoundland, St. John's, Newfoundland, Canada
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