GlobalProtect with Windows10 system proxy

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GlobalProtect with Windows10 system proxy

L0 Member

Hi!

I'm using GlobalProtect 5.2.5-66 in Windows10. And I use custom https proxy server with own root certificate also. I add this certificate to Windows certificates store and everething works ok.

I can use GlobalProtect with this proxy but only in the case when I configure system proxy via Window "Proxy Settings" menu.

 

In the case when I try to configure system proxy by my custom application GlobalProtect can't connect vie my proxy.

For proxy configuration I use function like this:

 

 

BOOL EnableProxy(LPCSTR addr, UINT port)
{
    INTERNET_PER_CONN_OPTION_LIST option_list;
    INTERNET_PER_CONN_OPTION options[3];

    option_list.dwSize = sizeof(option_list);
    option_list.pszConnection = NULL;
    option_list.dwOptionCount = 3;
    option_list.pOptions = options;

    options[0].dwOption = INTERNET_PER_CONN_FLAGS;
    options[0].Value.dwValue = PROXY_TYPE_DIRECT | PROXY_TYPE_PROXY;

    char proxy_server[128];
    _snprintf_s(proxy_server, sizeof(proxy_server) - 1, "%s:%d", addr, port);

    options[1].dwOption = INTERNET_PER_CONN_PROXY_SERVER;
    options[1].Value.pszValue = proxy_server;

    options[2].dwOption = INTERNET_PER_CONN_PROXY_BYPASS;
    options[2].Value.pszValue = (LPSTR)"localhost";

    if (InternetSetOption(NULL, INTERNET_OPTION_PER_CONNECTION_OPTION, &option_list, option_list.dwSize) == TRUE)
    {
        InternetSetOption(NULL, INTERNET_OPTION_SETTINGS_CHANGED, NULL, 0);
        InternetSetOption(NULL, INTERNET_OPTION_REFRESH, NULL, 0);
        return TRUE;
    }
    else { return FALSE; }
}

 

 

I used a function with direct Windows registry edit also with the same result.

 

My idea is the standard Windows proxy configuration rises additional signal or sets other flags during proxy change but I can't configure out which exactly.

 

So, my you can help me  and clarify this with this issue.

 

Regards!

 

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