Date: Mon, 28 Jul 1997 11:31:55 -0700 (PDT) From: Vincent Poy <vince@mail.MCESTATE.COM> To: Robert Watson <robert@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.3.95.970728113012.3844P-100000@mail.MCESTATE.COM> In-Reply-To: <Pine.BSF.3.95q.970728105715.3000H-100000@cyrus.watson.org>
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On Mon, 28 Jul 1997, Robert Watson wrote: =)> > BTW, does anyone know if there is a secure logging protocol? Syslog on =)> > UDP seems a tad unreliable, not to mention opening one up from DoS. I log =)> =)> Not on local delivery of udp packets. Nowadays, the FreeBSD syslogd is shipped =)> with an option -s that makes it refuse syslog messages form remote =)> machins. This of course does not help if you want to be able to get =)> syslog entries from a remote host. But you can refure udp packet =)> with destination port 513 on your routers. =) =)Unfortunately, I don't have the liberty of reconfiguring some of the =)routers my hosts are acessible through. Using ipfirewall to restrict =)incoming messages is possible, but undesirable as it doesn't help against =)spoofing, if the threat is also inside your network. The vulnerable host =)in the -s case is the loghost, which must accept network log messages. =)Configuring with a default of -s is a good arrangement. What does the -s do anyways? I know it means secure but isn't it supposed to be secure already out of the box? 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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