GRE LCP 错误
Windows客户端必须用1723端口。
NAT VPS没有GRE，光改1723端口也不行。
-----------
VPS的PPTP服务器监听2723端口
本机DNAT WANIP:1723 => WANIP:2723
或
第三方VPS，做NAT REDIRECT，WANIP:1723 => VPN WANIP:2723
========
计算机\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0015
TcpPortNumber 2723
计算机\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0015
InfPath netrasa.inf
目录及文件，属性 安全 编辑 Admnistrator，添加所有权限
c:\windows\inf\netrasa.inf
HKR, , TcpPortNumber, 0x00010003, 2723
c:\windows\inf\netrasa.PNF 改名
注册表：
计算机\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}\0015
NetCfgInstanceId {781FD102-1518-4E41-893F-14E9F7D95889}
计算机\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NdisWan
ImagePath \SystemRoot\System32\drivers\ndiswan.sys
c:\windows\system32\drivers\ndiswan.sys
计算机\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Defaults\FirewallPolicy\FirewallRules
RRAS-PPTP-In-TCP
v2.30|Action=Allow|Active=FALSE|Dir=In|Protocol=6|LPort=2723|App=System|
[email protected],-33765|
[email protected],-33768|
[email protected],-33752|
RRAS-PPTP-Out-TCP
v2.30|Action=Allow|Active=FALSE|Dir=Out|Protocol=6|RPort=2723|App=System|
[email protected],-33761|
[email protected],-33764|
[email protected],-33752|
计算机\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules
RRAS-PPTP-In-TCP
v2.30|Action=Allow|Active=FALSE|Dir=In|Protocol=6|LPort=2723|App=System|
[email protected],-33765|
[email protected],-33768|
[email protected],-33752|
RRAS-PPTP-Out-TCP
v2.30|Action=Allow|Active=FALSE|Dir=Out|Protocol=6|RPort=2723|App=System|
[email protected],-33761|
[email protected],-33764|
[email protected],-33752|
重启Windows
==============
正常情况下wireshark抓包：
服务器：
Generic Routing Encapsulation (PPP LCP) Configuration Request
客户端：
Generic Routing Encapsulation (PPP LCP) Configuration Ack
Generic Routing Encapsulation (PPTP) Set-Link-Info
Generic Routing Encapsulation (PPP LCP) Identification
Generic Routing Encapsulation (PPP IPCP) Configuration Request
Generic Routing Encapsulation (PPP IPV6CP)
Generic Routing Encapsulation (GRE)
Generic Routing Encapsulation (PPP Comp)
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本帖最后由 linda 于 2025-7-9 12:00 编辑 ]
