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Maximizing BitTorrent Speeds with uTorrent (Guide / Tutorial)
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<blockquote data-quote="sami_kalpika" data-source="post: 5490201" data-attributes="member: 134762"><p><strong>Frequently Asked Questions (FAQ) </strong></p><p></p><p> <strong>1)</strong> <strong>What are the good/best ports to open for uTorrent?</strong></p><p>There's no "best port" or good ports . All ports are suitable for use with uTorrent, unless you are running a program that is using the port. </p><p> </p><p> However, feel free to change the default port of it by going to <strong>Options</strong> > <strong>Preferences</strong> > <strong>Connection</strong> and adjusting the "<strong>Port used for incoming connections</strong>" as necessary. Remember to re-adjust your port forwarding settings in your firewall and router too. <strong>2</strong><strong>)</strong> <strong>I have tried all the above and my speeds are still slow! In fact, it got worse! What can I do?</strong></p><p>Try downloading a different torrent. A high ratio of seeds to leechers (Eg 2000 seeds to 10 leechers) will make a big difference in speeds. Make sure there is a green light at the bottom or check the <a href="http://www.bootstrike.com/Articles/BitTorrentGuide/#port_forward" target="_blank">possible causes</a>. </p><p> </p><p> Verify your speed by running a <a href="http://www.speedtest.net/" target="_blank">speed test</a> from different locations to ensure your connection is fast to the major locations in the world. For example, if you are downloading Chinese torrents, you should select a download location from China (or somewhere nearby) in the speed test. </p><p> </p><p> Finally, try enabling Forced encryption and performing the extra things outlined <a href="http://www.bootstrike.com/Articles/BitTorrentGuide/#further_things" target="_blank">here</a>. If speeds still do not improve, we are also not aware of the cause. Perhaps your ISP has managed to break encryption in BitTorrent traffic and is limiting bittorrent connections (e.g. <a href="http://www.theregister.co.uk/2007/08/22/comcast_throttles_bittorrent_users/print.html" target="_blank">Comcast</a>), especially if they are in <a href="http://www.azureuswiki.com/index.php/Bad_ISPs" target="_blank">this list of Bad ISPs</a>. Or your ISP is limiting your connection speeds (Try a speed test to a local server to verify this). Do let us know in the comments if you have found a way to solve your problems even with the suggestions above. One more thing - it has been reported that reinstalling the network driver has made speed differences for many people. To reinstall, go to Control Panel, Network Connections and locate your network connection - most of the time it should be "Local Area Connection 1". Right-click the icon, Properties and note down the name under "Connect Using". There are two ways to update drivers: </p><p> <strong>AUTOMATICALLY: </strong>Click Configure > Driver > Update Driver. Allow the system to connect to Microsoft Online to check for drivers. Only manufacturers who send their drivers for WHQL certification can be updated using this method.</p><p> <strong>MANUALLY:</strong> Locate the latest driver for this device by going to the official site and downloading and installing it. Blizzard also has a nice guide <a href="http://us.blizzard.com/support/article.xml?articleId=21076" target="_blank">here</a>. <strong>WARNING</strong>: Installing an incorrect driver can cut off your internet! If unsure, call the technical helpdesk (e.g. Dell / HP / Acer ) and request for assistance on updating network card drivers. </p><p> <strong>3)</strong> <strong>How do I reset utorrent settings? </strong></p><p>Note that this will delete all saved torrents and settings. Go to your C:\Documents and Settings\<username>\Application Data folder and delete the utorrent folder. To reset the max half open connections, run the lvllord utility again (for XP) or run the undopatch.bat (for yaronmaor Vista patcher) or run the half-open software and click "Restore original file" (for Vista half-open patcher). For enabling auto tuning back, the command is: netsh interface tcp set global autotuninglevel=normal <strong>4)</strong> <strong>Does this guide apply for the BitTorrent application as well? </strong></p><p>Yes - the application has just a name change so it is safe to use this guide. If you compare utorrent vs BitTorrent, both are almost the same in features with the differences being the naming, branding, icons and some additional links. There may be additional 'features', but all features from utorrent are there. <strong>5)</strong> <strong>I am unable to surf the Internet or my Internet gets cut off when uTorrent is downloading?</strong></p><p>First, try reducing the upload speed. Next, reduce the number of connections in Options > Preferences > > Global maximum number of connections in steps of 25 and see if it helps. Finally, impose a download speed limit at Options > Preferences > Connection. <strong>6)</strong> <strong>Do I still need to port forward if I am on a wired connection to the router? </strong></p><p>Yes. You do need to configure port forward if you are connected to a router but if you are connected directly to a modem, you don't need to port forward as the modem forwards all packets to one computer. <strong>7)</strong> <strong>How do I undo the TCP Optimizer changes?</strong></p><p> Open TCP Optimizer > File > Restore Backup Settings. <strong>8)</strong> <strong>Is there any way of finding an open port in my system besides port forwarding?</strong></p><p>If your system is behind a router, absolutely no port will be forwarded to you unless your router supports UPnP or the router is configured to port forward. </p><p> </p><p> However, if you are connected to an ISP that blocks incoming connections, you can try <a href="https://www.grc.com/x/ne.dll?bh0bkyd2" target="_blank">GRC's Shield's UP</a> (thanks <a href="http://www.bootstrike.com/Articles/BitTorrentGuide/?cPageA#comment1314" target="_blank"><em>Sonic_fanrs</em></a>) to find open ports that your ISP allows. Click 'Proceed' and then 'Common Ports'. This requires to disable your firewall and enable DMZ mode if you are using a router, which can be very <strong>*very*</strong> risky and I would not recommend this especially if your system is not updated with the latest patches. <strong>9)</strong> <strong>My internet got cut out / restarted / disconnected, and when it was restored, why did the speed get so slow?</strong></p><p> First, restart utorrent. Right-click the tray icon on the bottom right and click <strong>Exit</strong>. Start uTorrent again.</p><p> Everytime you restart utorrent, it reconnects to the DHT network and obtains a new set of peers from the tracker and DHT. Although utorrent caches the peer list in your computer, there is a possibility that it may drop good speed peers. There's a way around this.</p><p> When you are experiencing good download speeds with a torrent, locate the good upload peer by clicking the torrent row, and clicking on the Peer tab. You will now see a list of peers that you are connected to. Look for the row whose Down speed is extremely high that the majority. Right-click that row and click 'Copy selected hosts'. Paste this good peer in some notepad file.</p><p> When utorrent needs to restore, click the torrent row again, click on the Peers tab, right-click any row and click "Add Peer..." and paste your good peer here. uTorrent will then attempt to establish connection to that good peer provided it has free upload slots (not choked).</p><p> <strong>10)</strong> <strong>My port forwarding still does not work! uTorrent still shows a yellow/red icon at the bottom. Help!</strong></p><p> For users from Singapore, I can help you configure port forwarding. See our <a href="http://www.bootstrike.com/ComputerService/index.html" target="_blank">computer service</a> site. For international users, you can contact me through e-mail, letting me know your Skype account and time range you are available. Rate will be US$30.</p></blockquote><p></p>
[QUOTE="sami_kalpika, post: 5490201, member: 134762"] [B]Frequently Asked Questions (FAQ) [/B] [B]1)[/B] [B]What are the good/best ports to open for uTorrent?[/B] There's no "best port" or good ports . All ports are suitable for use with uTorrent, unless you are running a program that is using the port. However, feel free to change the default port of it by going to [B]Options[/B] > [B]Preferences[/B] > [B]Connection[/B] and adjusting the "[B]Port used for incoming connections[/B]" as necessary. Remember to re-adjust your port forwarding settings in your firewall and router too. [B]2[/B][B])[/B] [B]I have tried all the above and my speeds are still slow! In fact, it got worse! What can I do?[/B] Try downloading a different torrent. A high ratio of seeds to leechers (Eg 2000 seeds to 10 leechers) will make a big difference in speeds. Make sure there is a green light at the bottom or check the [URL="http://www.bootstrike.com/Articles/BitTorrentGuide/#port_forward"]possible causes[/URL]. Verify your speed by running a [URL="http://www.speedtest.net/"]speed test[/URL] from different locations to ensure your connection is fast to the major locations in the world. For example, if you are downloading Chinese torrents, you should select a download location from China (or somewhere nearby) in the speed test. Finally, try enabling Forced encryption and performing the extra things outlined [URL="http://www.bootstrike.com/Articles/BitTorrentGuide/#further_things"]here[/URL]. If speeds still do not improve, we are also not aware of the cause. Perhaps your ISP has managed to break encryption in BitTorrent traffic and is limiting bittorrent connections (e.g. [URL="http://www.theregister.co.uk/2007/08/22/comcast_throttles_bittorrent_users/print.html"]Comcast[/URL]), especially if they are in [URL="http://www.azureuswiki.com/index.php/Bad_ISPs"]this list of Bad ISPs[/URL]. Or your ISP is limiting your connection speeds (Try a speed test to a local server to verify this). Do let us know in the comments if you have found a way to solve your problems even with the suggestions above. One more thing - it has been reported that reinstalling the network driver has made speed differences for many people. To reinstall, go to Control Panel, Network Connections and locate your network connection - most of the time it should be "Local Area Connection 1". Right-click the icon, Properties and note down the name under "Connect Using". There are two ways to update drivers: [B]AUTOMATICALLY: [/B]Click Configure > Driver > Update Driver. Allow the system to connect to Microsoft Online to check for drivers. Only manufacturers who send their drivers for WHQL certification can be updated using this method. [B]MANUALLY:[/B] Locate the latest driver for this device by going to the official site and downloading and installing it. Blizzard also has a nice guide [URL="http://us.blizzard.com/support/article.xml?articleId=21076"]here[/URL]. [B]WARNING[/B]: Installing an incorrect driver can cut off your internet! If unsure, call the technical helpdesk (e.g. Dell / HP / Acer ) and request for assistance on updating network card drivers. [B]3)[/B] [B]How do I reset utorrent settings? [/B] Note that this will delete all saved torrents and settings. Go to your C:\Documents and Settings\<username>\Application Data folder and delete the utorrent folder. To reset the max half open connections, run the lvllord utility again (for XP) or run the undopatch.bat (for yaronmaor Vista patcher) or run the half-open software and click "Restore original file" (for Vista half-open patcher). For enabling auto tuning back, the command is: netsh interface tcp set global autotuninglevel=normal [B]4)[/B] [B]Does this guide apply for the BitTorrent application as well? [/B] Yes - the application has just a name change so it is safe to use this guide. If you compare utorrent vs BitTorrent, both are almost the same in features with the differences being the naming, branding, icons and some additional links. There may be additional 'features', but all features from utorrent are there. [B]5)[/B] [B]I am unable to surf the Internet or my Internet gets cut off when uTorrent is downloading?[/B] First, try reducing the upload speed. Next, reduce the number of connections in Options > Preferences > > Global maximum number of connections in steps of 25 and see if it helps. Finally, impose a download speed limit at Options > Preferences > Connection. [B]6)[/B] [B]Do I still need to port forward if I am on a wired connection to the router? [/B] Yes. You do need to configure port forward if you are connected to a router but if you are connected directly to a modem, you don't need to port forward as the modem forwards all packets to one computer. [B]7)[/B] [B]How do I undo the TCP Optimizer changes?[/B] Open TCP Optimizer > File > Restore Backup Settings. [B]8)[/B] [B]Is there any way of finding an open port in my system besides port forwarding?[/B] If your system is behind a router, absolutely no port will be forwarded to you unless your router supports UPnP or the router is configured to port forward. However, if you are connected to an ISP that blocks incoming connections, you can try [URL="https://www.grc.com/x/ne.dll?bh0bkyd2"]GRC's Shield's UP[/URL] (thanks [URL="http://www.bootstrike.com/Articles/BitTorrentGuide/?cPageA#comment1314"][I]Sonic_fanrs[/I][/URL]) to find open ports that your ISP allows. Click 'Proceed' and then 'Common Ports'. This requires to disable your firewall and enable DMZ mode if you are using a router, which can be very [B]*very*[/B] risky and I would not recommend this especially if your system is not updated with the latest patches. [B]9)[/B] [B]My internet got cut out / restarted / disconnected, and when it was restored, why did the speed get so slow?[/B] First, restart utorrent. Right-click the tray icon on the bottom right and click [B]Exit[/B]. Start uTorrent again. Everytime you restart utorrent, it reconnects to the DHT network and obtains a new set of peers from the tracker and DHT. Although utorrent caches the peer list in your computer, there is a possibility that it may drop good speed peers. There's a way around this. When you are experiencing good download speeds with a torrent, locate the good upload peer by clicking the torrent row, and clicking on the Peer tab. You will now see a list of peers that you are connected to. Look for the row whose Down speed is extremely high that the majority. Right-click that row and click 'Copy selected hosts'. Paste this good peer in some notepad file. When utorrent needs to restore, click the torrent row again, click on the Peers tab, right-click any row and click "Add Peer..." and paste your good peer here. uTorrent will then attempt to establish connection to that good peer provided it has free upload slots (not choked). [B]10)[/B] [B]My port forwarding still does not work! uTorrent still shows a yellow/red icon at the bottom. Help![/B] For users from Singapore, I can help you configure port forwarding. See our [URL="http://www.bootstrike.com/ComputerService/index.html"]computer service[/URL] site. For international users, you can contact me through e-mail, letting me know your Skype account and time range you are available. Rate will be US$30. [/QUOTE]
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