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Maximizing BitTorrent Speeds with uTorrent (Guide / Tutorial)
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<blockquote data-quote="sami_kalpika" data-source="post: 5490189" data-attributes="member: 134762"><p><strong>Enabling Protocol Encryption, uTP (UDP Packets) and Increasing Speed Via Max Half Open Connections </strong></p><p></p><p> <p style="margin-left: 20px"> uTorrent by default disables protocol encryption. We need to enable this so that the ISP's packet shaping hardware will detect our BitTorrent traffic as normal traffic and hopefully let it pass. </p> <p style="margin-left: 20px"> </p> <ol style="margin-left: 20px"> <li data-xf-list-type="ol">Click on <strong>Options</strong>, <strong>Preferences</strong>.</li> <li data-xf-list-type="ol">Click on <strong>BitTorrent</strong>.</li> <li data-xf-list-type="ol">You should get a dialog similar to one below<br /> <br /> <img src="http://www.bootstrike.com/Articles/BitTorrentGuide/images/preferences.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> <br /> <em>Bittorrent Preferences Dialog Box</em></li> <li data-xf-list-type="ol">The one we are concerned about is <strong>Protocol Encryption</strong>. Set the <strong>Outgoing</strong> to <em>Enabled</em>.</li> <li data-xf-list-type="ol">Click on <strong>Advanced</strong> on the left column.</li> <li data-xf-list-type="ol">If you did<strong> NOT </strong>patch your TCPIP.sys to allow more concurrent half-open connections above, <strong>SKIP</strong> this step. <br /> <br /> <img src="http://www.bootstrike.com/Articles/BitTorrentGuide/images/maxconnect.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /><br /> <em>Advanced Settings Dialog Box</em><br /> <br /> Change "<strong>net.max_halfopen</strong>" value to <em>50</em> by selecting the line, modifying the value at the bottom to <em>50</em> and clicking <strong>Set</strong>. <br /> <br /> <strong>NOTE:</strong> It is normal for a asterisk(*) to appear. This is to indicate that the value has been changed from the default value.</li> </ol> <p style="margin-left: 20px"> From uTorrent version 1.8.3 onwards, a new UDP protocol named <strong>uTP </strong>was introduced which sends UDP packets as well as TCP packets. The main benefit is that it provides a new avenue of bypassing ISP throttling limits resulting in a more efficient torrent swarm.</p> <p style="margin-left: 20px"> </p> <ol style="margin-left: 20px"> <li data-xf-list-type="ol">At the same Advanced screen, Change "<strong>bt.transp_disposition</strong>" value to <em>255</em> by selecting the line, modifying the value at the bottom to <em>255</em> and clicking <strong>Set</strong>.</li> <li data-xf-list-type="ol">Click <strong>OK</strong>. Stop all torrents (red stop button on toolbar on top), wait 10 seconds, and Start the torrent (green play button on toolbar). Now let's watch the speeds.</li> </ol> <p style="margin-left: 20px"> Hopefully, the above changes will improve speeds. Ultimately, it depends on the number of seeders and peers with high upload rate. Remember, you must upload to enjoy good download rates, but not so high that it affects download speed. Experiment. </p> <p style="margin-left: 20px"> </p></blockquote><p></p>
[QUOTE="sami_kalpika, post: 5490189, member: 134762"] [B]Enabling Protocol Encryption, uTP (UDP Packets) and Increasing Speed Via Max Half Open Connections [/B] [INDENT] uTorrent by default disables protocol encryption. We need to enable this so that the ISP's packet shaping hardware will detect our BitTorrent traffic as normal traffic and hopefully let it pass. [LIST=1] [*]Click on [B]Options[/B], [B]Preferences[/B]. [*]Click on [B]BitTorrent[/B]. [*]You should get a dialog similar to one below [IMG]http://www.bootstrike.com/Articles/BitTorrentGuide/images/preferences.gif[/IMG] [I]Bittorrent Preferences Dialog Box[/I] [*]The one we are concerned about is [B]Protocol Encryption[/B]. Set the [B]Outgoing[/B] to [I]Enabled[/I]. [*]Click on [B]Advanced[/B] on the left column. [*]If you did[B] NOT [/B]patch your TCPIP.sys to allow more concurrent half-open connections above, [B]SKIP[/B] this step. [IMG]http://www.bootstrike.com/Articles/BitTorrentGuide/images/maxconnect.gif[/IMG] [I]Advanced Settings Dialog Box[/I] Change "[B]net.max_halfopen[/B]" value to [I]50[/I] by selecting the line, modifying the value at the bottom to [I]50[/I] and clicking [B]Set[/B]. [B]NOTE:[/B] It is normal for a asterisk(*) to appear. This is to indicate that the value has been changed from the default value. [/LIST] From uTorrent version 1.8.3 onwards, a new UDP protocol named [B]uTP [/B]was introduced which sends UDP packets as well as TCP packets. The main benefit is that it provides a new avenue of bypassing ISP throttling limits resulting in a more efficient torrent swarm. [LIST=1] [*]At the same Advanced screen, Change "[B]bt.transp_disposition[/B]" value to [I]255[/I] by selecting the line, modifying the value at the bottom to [I]255[/I] and clicking [B]Set[/B]. [*]Click [B]OK[/B]. Stop all torrents (red stop button on toolbar on top), wait 10 seconds, and Start the torrent (green play button on toolbar). Now let's watch the speeds. [/LIST] Hopefully, the above changes will improve speeds. Ultimately, it depends on the number of seeders and peers with high upload rate. Remember, you must upload to enjoy good download rates, but not so high that it affects download speed. Experiment. [/INDENT] [/QUOTE]
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