从别的网站粘贴过来的
@echo Off
echo By Original
takeown /f %WinDir%\System32\drivers\tcpip.sys 1>nul 2>nul
echo y|cacls %WinDir%\System32\drivers\tcpip.sys /G %username %:F 1>nul 2>nul
replace tcpip.sys %WinDir%\System32\drivers\tcpip.sys 1>nul 2>nul
netsh int tcp set global autotuninglevel=disable 1>nul 2>nul
set /p ConnNum=输入你想要的TCP/IP连接数：
reg add HKLM\System\CurrentContralSet\Services\Tcpip\Parameters /v TcpNum
Connections /t REG_DWORD /d %ConnNum% /f 1>nul 2>nul
echo 修改完成，按任意键退出
pause 1>nul

我

xp才有用的破命令你发出来干啥？
(只有xp系统才限制ip连接数量，之后的系统都是无限制，改不了)