Date: Sat, 26 Jun 2004 12:26:57 -0400 From: Bill Moran <wmoran@potentialtech.com> To: racerx@makeworld.com Cc: freebsd-questions@freebsd.org Subject: Re: Building a Stable Secure FreeBSD Mail server Message-ID: <20040626122657.34ea7fd0.wmoran@potentialtech.com> In-Reply-To: <200406260947.33777.racerx@makeworld.com> References: <1776a3885a58dea4d7ea.20040626010713.wzyrjvf@www.dslextreme.com> <200406260935.13093.racerx@makeworld.com> <200406261143.19063.joey@mingrone.org> <200406260947.33777.racerx@makeworld.com>
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Chris <racerx@makeworld.com> wrote: > On Saturday 26 June 2004 09:43 am, Joey Mingrone wrote: > > A little googling turned up: > > http://gene.wins.uva.nl/~jmsteggi/Creating_a_Stable_Secure_FreeBSD_Mailserv > >er.pdf > > Ahh yes - this IS a good doc. I have had it for a few months. I was hoping > that it might have been an updated version. None the less, it's one doc that > I keep in my "Keep" directory. Like many documents, it's both good and bad. The author gives an excellent (and complete) description of setuid/gid, permissions, and flags ... but then he goes on to arbitrarily announce that you should increase both send and receive TCP buffers to 64k, with no explanation. Jacking these values up is not always a good idea, and I doubt if it's a good idea with a mail server. -- Bill Moran Potential Technologies http://www.potentialtech.com
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