Date: Mon, 28 Jul 1997 12:56:33 -0700 (PDT) From: Vincent Poy <vince@mail.MCESTATE.COM> To: Robert Watson <robert+freebsd@cyrus.watson.org> Cc: Guido van Rooij <guido@gvr.win.tue.nl>, loco@onyks.wszib.poznan.pl, security@FreeBSD.ORG, mario1@PrimeNet.Com, johnnyu@accessus.net Subject: Re: security hole in FreeBSD Message-ID: <Pine.BSF.3.95.970728125545.3844s-100000@mail.MCESTATE.COM> In-Reply-To: <Pine.BSF.3.95q.970728143423.3342G-100000@cyrus.watson.org>
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On Mon, 28 Jul 1997, Robert Watson wrote: =)> What does the -s do anyways? I know it means secure but isn't it =)> supposed to be secure already out of the box? =) =)-s prevents syslogd from accepting network network log messages. Without =)it, anyone who can deliver a packet to the syslog port using UDP can add a =)line to your system logs. When you add entries to syslog.conf like this: =) =)*.error @loghost.domain =) =)you rely on not having the -s flag set. =) =)Allowing log messages from unauthorized hosts is a security problem, as =)someone can insert ficticious messages (often-times, spoofed), flood your =)logs, etc. Never noticed this one, was there a reason FreeBSD shipped with -s off by default? Cheers, Vince - vince@MCESTATE.COM - vince@GAIANET.NET ________ __ ____ Unix Networking Operations - FreeBSD-Real Unix for Free / / / / | / |[__ ] GaiaNet Corporation - M & C Estate / / / / | / | __] ] Beverly Hills, California USA 90210 / / / / / |/ / | __] ] HongKong Stars/Gravis UltraSound Mailing Lists Admin /_/_/_/_/|___/|_|[____]
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