Date: Mon, 05 Dec 2011 15:34:13 -0500 From: Mike Tancsa <mike@sentex.net> To: d@delphij.net Cc: "freebsd-security@freebsd.org" <freebsd-security@freebsd.org>, Xin Li <delphij@delphij.net>, Przemyslaw Frasunek <przemyslaw@frasunek.com> Subject: Re: ftpd security issue ? Message-ID: <4EDD2AC5.9070505@sentex.net> In-Reply-To: <4EDD2027.9030807@delphij.net> References: <4ED68B4D.4020004@sentex.net> <4ED69B7E.50505@frasunek.com> <4ED6C3C6.5030402@delphij.net> <4ED6D1CD.9080700@sentex.net> <4ED6D577.9010007@delphij.net> <4EDD1F2F.20802@sentex.net> <4EDD2027.9030807@delphij.net>
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On 12/5/2011 2:48 PM, Xin Li wrote: > > Currently no (I thought you were in the cc list in my discussion with > kib@?). My initial plan was simply rejecting .so's with wrong > permissions but in the discussion turns out that would not be > sufficient and we have also considered other ways to do it, e.g. have > a wrapper where one can disable them completely. I have not a full > solution yet as the change would touch quite a lot of things in the > base system... Hi Xin, yes, I am on the cc list. I vaguely understand the complexity of the issue enough to see its not an easy fix. In the mean time, I was just looking for ways to protect the few boxes I have that run proftpd. Right now running with "rootrevoke on" seems to be the safest, but that has the side effect of killing active connections. ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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