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softice
Now,I have a new way to modify TCP half open limited. It does not need to modify the file tcpip.sys in harddisk, It just patch tcpip.sys in memory by a driver.



Project Name: TCP Half Open Limited Patcher (TCP-Z)
Author: deepxw#126.com
Support OS: Windows XP/Vista 32bit/64bit

Features:
1, Modifies Tcpip.sys in memory. The changes take effect immediately, do not need to restart the computer.

2, It is a standard virtual device driver, you can see a device named "TCPZ Driver" in the device manager.
This virtual device will run automatically when Windows starts, and modify TCP half open limited value to 222.

3,It searches limited offset through signature, with a wide compatibility, no longer focused on the MS upgrade and update.
Spport all version of Windows XP SP2/SP3, include 32bit & 64bit; Spport all version of Windows Vista & SP1, include 32bit & 64bit;

4,Supports Vista x64. But my driver has not a valid Signing, so you must enable TESTSIGNING mode.
If I want to make this sofrware is perfect, I need to spend $200 for it to purchase digital signature.

For this driver can run in Vista x64, you have to do:
run the script as administrator: Enable_TestSign.cmd

Or, you can opend command prompt as administrator, run this command:
bcdedit.exe -set loadoptions DDISABLE_INTEGRITY_CHECKS
bcdedit.exe -set TESTSIGNING ON

// ******************************
Files:
D:\PATCHTCPIPINMEMORY080825
│ Disable_TestSign.cmd
│ Enable_TestSign.cmd
│ Install_Driver.cmd
│ Remove_Driver.cmd
│ readme.txt
│ devconX64.exe
│ devconX86.exe
│ RemoveWatermarkX64.exe

└─Driver
tcpz.cat
tcpz.inf
TcpzPropPage-x64.dll
TcpzPropPage-x86.dll
tcpz-x64d.sys
tcpz-x86d.sys

// ***********************************************************************************
Usage:

1, Install, run the script as administrator: "Install_Driver.cmd".
Uninstall , run the script as administrator: "Remove_Driver.cmd"

If OS prompts driver has not been signed, please accept and continue the installation.

If you already exists the old version of the software, please uninstall it first.

Or you do not uses the script to install, you can use "Add Hardware" in "Control Panel".
a. Click Start, and then click Control Panel.
b. Double-click Add Hardware.
If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
c. Click Next.
d. Click Install the hardware that I manually select from a list (Advanced), and then click Next.
e. When you are prompted "Do you want Windows to search for your new hardware?" click No.
f. Click the hardware type for the driver you are installing, and then click Next.
g. Click Have Disk.
h. point to the folder of the driver file: "Driver\tcpz.inf".
i. Follow the instructions on your screen.


2, If you uses Vista x64,first, please run the script "Enable_TestSign.cmd".

3, After successful installation, you can see a device named "TCPZ Driver" in the device manager.
Open the properties of "TCP Half Open Limited Patcher ( TCP-Z)", and check current limited value. if current value is 222, that means the patcher working perfectly.

4, Only Vista x64: If a "Test Mode" watermak on desktop, you can remove it by "RemoveWatermarkX64.exe".

Download:
http://deepxw.lingd.net/article-1321748-1.html
You can see "Download" at the bottom of page.
TranceEnergy
More way to patch & tweak a system = always welcome!

Did you make this? Any download/web links would be nice!

Thanks!
softice
Sorry, wait a minutes, I can't post attachment.
Protoss
I get a bluescreen upong rebooting after installing this on Vista. It bluescreens due to tcpip.sys, and after rebooting into safe-mode and uninstalling the driver all is solved...
softice
QUOTE (Protoss @ Aug 30 2008, 10:33 AM) *
I get a bluescreen upong rebooting after installing this on Vista. It bluescreens due to tcpip.sys, and after rebooting into safe-mode and uninstalling the driver all is solved...


Which version of Vista?
Which version of tcpip.sys?

Can you upload this tcpip.sys for me? Thanks.
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