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Unread 07-08-2010, 01:56   #41
raja omer
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Default thnx

thnx but i am facing problem of
An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full.
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Unread 04-09-2010, 15:45   #42
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Default Vista Increase the Connection Limit in Vista Event ID 4226

Is there any way to test this?How will this affect websites you have set up in abyss?Define a half open connection.
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Unread 02-12-2010, 12:59   #43
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Thanks for the tutorial, great info
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Unread 04-04-2011, 21:53   #44
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Exclamation Half-open limit fix (patch) for Windows



Quote:
Half-open limit fix is a program designed to change the maximum number of concurrent half-open outbound TCP connections (connection attempts) in the Windows system file tcpip.sys.

Microsoft first introduced this limit in Windows XP SP2 (Service Pack 2) and is present in all later versions of Windows. This was done to try to slow the spreading of viruses and malware from system to system and also to reduce the impact of infected systems participating in DoS (Denial of Service) attacks.

This limit makes it impossible for Windows systems to have more than 10 concurrent half-open outbound connections. After 10, new connection attempts are put in a queue and forced to wait.

Therefore, the speed of connection to other computers is actually limited.

P2P (peer-to-peer) programs (µTorrent, BitComet, eMule, P2P TV etc.) are generally the most affected programs. As they use up all 10 of the half-open connections, other Internet activity, especially the loading of web pages, can be extremely slow. The delay before the beginning of opening can make some tens seconds. This happens regardless of the speed of your Internet connection.

Half-open limit fix takes care of this problem by increasing the maximum limit of half-open connections. For the overwhelming majority of Internet users, changing the limit to 100 will be more than sufficient.
Quote:
Operating system: Windows XP SP1(x64)/SP2(x86,x64)/SP3, Vista without SP(x86,x64) and with SP1(x86,x64), 7 beta(x86,x64).
Interface language: English, Chinese (Simplified), Czech, French, German, Greek, Italian, Korean, Portuguese, Romanian, Russian, Spanish, Turkish and Ukrainian
Download:
Code:
http://half-open.com/Half-open_limit_fix_4.2.exe
Quote:
Instruction:
1) Run Half-open limit fix
2) Choose a new limit of concurrent half-open outbound connections quantity and press "Add to tcpip.sys" (for the overwhelming majority of Internet users, changing the limit to 100 will be more than sufficient)
3) Restart computer and enjoy

Restart of the program can be demanded after updating Windows or SP installation as sometimes Microsoft replaces old file tcpip.sys on new. If the program will cease to work with updated tcpip.sys there will be a new version on this site.

For Vista and Windows 7 users: Maybe sometime, after updating Windows or SP installation on a desktop will appear watermarks "Test mode". They can appear because in all versions of Vista and Windows 7, except Vista without SP(x86), there is the obligatory drivers signature check, and the tcpip.sys file sign with test signature after patching. Most likely, to make it disappear will be necessary simply once again to patch tcpip.sys.
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Unread 22-02-2012, 09:05   #45
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Are there any risks to having all of these connections opened all the time?
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Unread 24-02-2012, 00:10   #46
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depends on if your system vulnerable or not, if you have some viruses inside or not, if your system hacked (inside bot-net etc) already or not, etc, etc


with limited connections all `bad programs` won't have good connection also, and won't be able to harm others from your computer,
but in this case they could grab all connections so you won't have internet working smoothly
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Unread 28-05-2012, 22:07   #47
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Windows XP SP2 And Limitation Of The Number Of Connections
Windows 7 Ultimate for? how?
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Unread 09-07-2012, 15:16   #48
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Wink windows 7/vista sp2-tcp patch

Unpack the archive and run Patch32.bat (for x86) or Patch64.bat (for x64).

Run UndoPatch.bat to uninstall concurrent half-open TCP/IP connection limit patch,
and restore the original tcpip.sys, and registry setting.

Once installed you can have 70,000 half open connections, these connections
are temp connections anyways, you can change the limit to any setting you want,
go to run and type in regedit and navigate to
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\Parameters\]
"TcpNumConnections"=dword:00011170
and edit this value to whatever amount of connections you need.


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Unread 18-06-2013, 16:09   #49
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hey bro help me for windows server 2008
thanks you
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