Date: Fri, 16 Jul 2010 19:04:38 -0400 From: Lowell Gilbert <freebsd-current-local@be-well.ilk.org> To: Alex Kozlov <spam@rm-rf.kiev.ua> Cc: freebsd-current@FreeBSD.org, Gabor Kovesdan <gabor@FreeBSD.org> Subject: Re: periodic script in base system to run csup Message-ID: <44k4ov6nax.fsf@lowell-desk.lan> In-Reply-To: <20100716143621.GA9281@ravenloft.kiev.ua> (Alex Kozlov's message of "Fri, 16 Jul 2010 17:36:21 %2B0300") References: <20100716143621.GA9281@ravenloft.kiev.ua>
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Alex Kozlov <spam@rm-rf.kiev.ua> writes: > On Fri, Jul 16, 2010 at 04:27:39PM +0200, Gabor Kovesdan wrote: >> Em 2010.07.16. 16:23, Alex Kozlov escreveu: >> > On Fri, Jul 16, 2010 at 03:58:33PM +0200, Gabor Kovesdan wrote: >> > >> > Thousands pc simultaneously try to access cvsup servers? >> > Sound like a ddos to me. >> Yes, this was the only concern and that's why I started this discussion. > And because its periodic, We can't use portsnap solution (random delay > before csup start). It's not completely impossible; periodic could spin off a separate shell for it, with a random delay. It's not clear what the best way to deal with the output would be, although several approaches present themselves. It would be a lot more complicated than Gabor's approach, though.
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