Date: Fri, 27 May 2011 06:07:02 +0200 From: Frank Bonnet <f.bonnet@esiee.fr> To: freebsd-questions@freebsd.org Subject: Re: Disable or limit email in root? Message-ID: <4DDF2366.4010100@esiee.fr> In-Reply-To: <3389310281-258946398@intranet.com.mx> References: <3389310281-258946398@intranet.com.mx>
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I don't remember for sendmail but if you install postfix root cannot receive any email Le 27/05/2011 05:03, Jorge Biquez a =E9crit : > Hello all. > > Is it possible that the root user can be limited to send email only for > activities realetd to the server and only locally? > > or > > limit the amount of root user can send. > > I have a 7.3 small server working as secondary dns, 3 domains for http > and email. very few traffic. Using sendmail, the default one. > > IN some way a spammer could tell root to send LOT emailes. > I detect it , I guess when they started.I did not know how they did it, > apparently with a program injection or similar strategy since it seems > they do not enter the server, for what I have checked until now. > > Can be restricted the root user? ON the side of the OS or the sendmail. > > Suggestions on how to avoid this again. > > The password for root was VERY strong. I do not think they access it. I > guess when I configured the email and server let something open so root > was forced to do that. > > Thanks in advance > > Jorge BIquez > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"
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