Speed up Bitcomet and uTorrent
Written by Ernesto on December 20, 2005In a previous post we advised to raise the maximum amount of half-open tcp connections to speed up your torrents. On itself this is a great trick, however I recently discovered that 90% off all people use the default settings on their client, and that’s a problem.
Both Bitcomet and uTorrent (and probably other clients) limit half-open tcp connections by default. This means even if you hack the max half-open tcp connections in windows xp, your speed will still be limited. So this is what you need to do:
First of all, read this post that gives you some tips and tricks how to speed up your torrents
1. Hack the max half-open TCP connections
If you’re on XP sp2, your TCP connections are limited to a maximum of 10. This seriously hurts your downloading speed because it wont let you connect to a high amount of ip numbers. It is supposed to slow down viruses because their spreading strategy is to connect to a high amount of ip numbers, but it also cripples your torrent downloads.
A nice way to fix this is to download this patch, it allows you to set the maximum allowed connections to any number you want. Any number between 50 and 100 is ok (more is NOT always better).
2. Configure your torrent client to allow 50-100 max half-open TCP connections
uTorrent: Options > Preferences > Advanced options > net.max_halfopen
Bitcomet: Options > Preferences > Connection > max half-open TCP
Now you’re ready to go…
A third point of interest is that some “windows updates” revert your tweaked tcp connections back to 10. So it’s wise to check this every now and then. You can check this by going to (in windows xp) Start > Control Panel > Administrative Tools > Event Viewer > System… Look for event 4226 (sort by event).
If there are a lot of daily occurrences it’s likely that the max amount of half-open tcp connections was set back to 10. Or you’re infected with some nasty spyware…
If you’re done, you might want to try the torrent settings optimizer to check if all setting are correct
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416 Responses
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can someone help? i did everything but i am not getting anyware
anyone?
i installed the patch, changed it to the max tcp stuff to 70. then i changed it on bitcomet to 80 like it said. i am still getting extremly low download rates!
50kb/s IF LUCKY!
@mark
It depends on the torrent. Does it have a lot of seeds and peers?
Hi people, I instal the patch … there was some problems but I think not serious problems …. sommethink with Windows CD …. max tcp stuff to 80 .. and still 30 if I am LUCKY .. why ??
AS soon as i put the patch in and REBOOTED, i got a WINDOWS UPDATE saying it found something that could let intruders in, and wants me to download it. I am guessing if i do it goes back to 10, right?. So what should i do?
ALSO just check the EVENT LOG and i see ALOT of those you mentioned there, does this mean its back to 10?.
I have 80 halfopen. Speed my net is 512/256 kb/s. And I upload 10 KB/s and download so 1 - 5 KB/s. And I am seeding always. With windows isnt problem. I have Service pack 1. So I dont know what´s this.
this patch is AWESOME!!! definitely recommend for others to download it!!! also if u want a free video or nano ipod go to the following site:
http://ipods.freepay.com/
THEY SHOWED THIS ON CNN AND MSNBC, SO IT REALLY DOES WORK!!! HAVE FUN WHEN U GET IT!!!
autodeskAutocad ArchitecturalDesktop2005 after 40% from 3days,and not able to download,most of the Download stoped like same PLS guide me to sort this iessue
every time i try to dwnld something it says cant read torrent discouraging.
This will not increase your download speeds, In SP2 microsoft (who everyone loves to complain about their security) tried to prevent the spread of viruses which connect to as many IP’s as possible. The 10 half-open connections means 10 at a time, as soon as 10 is reached it will move onto another 10. As root mentioned something similar earlier, the speed of torrent depends on the tracker and the peers connected to it. Why make XP any less safe?
Bit Comet Torrent
sweet mother…it’s alive!!! thanks so much.
normally my download rate is cruisin at bout 110kb/s but when i change the max half open tcp connections my downld speed falls to bout 50kb/s can anyone help?
Hey, umm, how can u go back to the absolute default values after using the patch?
you can go back by running the patch again and enter 10 (the default value)
Hey i was wondering how do you get the setting to stay?, it seems it reverts back all the time, do i need to keep doing it until it doesnt revert anymore?.
-dellis
some windows updates changing it back to 10, but that should not happen too often. Other that that, i have no clue.
How do you know the setting is reverted by the way?
hey guys. I am a newbie to the business, so someone please help me out. I am using Bitlord 1.01 dwn speed is max 30 kbps or sometimes even 2 kbps. I have hacked my tcp limitations but still no use.please help me out. My email add is emperorcrp@yahoo.co.in Please respond. Thnx.
u can tell the tcp connections has gone back to 10 by running the tool again. in the window, it says the limit for 1/2 open tcp connections.
I think the problem for many of you is where you are getting these torrents from. Probably poorly seeded and too many users on the tracker.
For those of you on DS3 speeds (54mbit), are you sure you actually have a DS3 or are you just reading some sticker on your 802.11g wireless card? ;)
If you really do have that fast of an INTERNET connection, then maybe your hub/switch/router/NIC is only set to 10mbit and not 100mbit.
LASTLY… make sure you check this simple step:
Decrease your UPLOADING rate to about 80-85% of your max rate.
hay, ive got the same problem as WIRERACER- ive got bitcomit and ive found torrents to download. they apear in the download screen but never begin-they just sit their an dont connect?! please help?
all those people complaining about he patch not working its most probably cause you dont have much peers. try getting a POPULAR torrent and it will work people.
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