Date: Tue, 25 Jan 2005 20:39:26 +0100 From: cpghost@cordula.ws To: freebsd-questions@freebsd.org Subject: Re: Bittorrent secure? Message-ID: <20050125193926.GB2244@bsdbox.farid-hajji.net> In-Reply-To: <20050125192253.GA3088@gicco.homeip.net> References: <20050125192253.GA3088@gicco.homeip.net>
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On Tue, Jan 25, 2005 at 08:22:53PM +0100, Hanspeter Roth wrote: > Hello, > > how secure is Bittorrent? Do you mean the Bittorrent *protocol*, or a specific *implementation* thereof? And what do you mean with 'secure'? > How can one know how trustworthy the stuff > downloaded from other Bittorrent fellows is? >From which torrent? :-) You get what you download. This is *normally* that, what the seeders offered. You may want to checksum (md5, sha1, ...) the files you get, comparing the digest strings with the signatures published on trustworthy sites (e.g. if you download an ISO image or so). All this is independent of the transport protocol that you used (ftp, bittorent, ...). The bittorrent protocol uses TCP to transmit the chunks, therefore ensuring that the chunks are not *intentionally* corrupted along the way. Moreover, bittorrent checksums the chunks internally, as an added measure of security. But you are still encouraged to checksum the complete file(s) anyway. > -Hanspeter Cheers, -cpghost. -- Cordula's Web. http://www.cordula.ws/
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