12029 Error Winhttp
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a minute: Sign up WinHTTP Error 12029 Cannot Connect up vote -1 down vote favorite I am trying to make an http connection to my own domain and return a string. I have it working with www.microsoft.com but when i change the domain to www.atomic-gaming.info (my domain) i get an error 12029 and if i change the link to www.yahoo.com i wininet error codes get an error 12017 code DWORD dwSize = 0; DWORD dwDownloaded = 0; LPSTR pszOutBuffer; BOOL bResults = FALSE; HINTERNET hSession = NULL, hConnect = NULL, hRequest = NULL; // Use WinHttpOpen to obtain a session handle. hSession = WinHttpOpen( L"WinHTTP Example/1.0", WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0 ); WinHttpSetOption(hSession, WINHTTP_OPTION_REDIRECT_POLICY_ALWAYS,NULL,NULL); // Specify an HTTP server. if( hSession ) hConnect = WinHttpConnect( hSession, L"www.microsoft.com", INTERNET_DEFAULT_HTTPS_PORT, 0 ); // Create an HTTP request handle. if( hConnect ) hRequest = WinHttpOpenRequest( hConnect, L"GET", NULL, NULL, WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, WINHTTP_FLAG_SECURE ); // Send a request. if( hRequest ) bResults = WinHttpSendRequest( hRequest, WINHTTP_NO_ADDITIONAL_HEADERS, 0, WINHTTP_NO_REQUEST_DATA, 0, 0, 0 ); // End the request. if( bResults ) bResults = WinHttpReceiveResponse( hRequest, NULL ); // Keep checking for data until there is nothing left. if( bResults ) { do { // Check for available data. dwSize = 0; if( !WinHttpQueryDataAvailable( hRequest, &dwSize ) ) printf( "Error %u in WinHttpQueryDataAvailable.\n", GetLastError( ) ); // Allocate space for the buffer. pszOutBuffer = new char[dwSize+1]; if( !pszOutBuffer ) { printf( "Out of memory\n" ); dwSize=0; } else { // Read the da
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About
12019 Http Error
Us Learn more about Stack Overflow the company Business Learn more about hiring http error 12157 developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join error_winhttp_cannot_connect the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up why i get WinHttpSendRequest gives http://stackoverflow.com/questions/17625713/winhttp-error-12029-cannot-connect ERROR_WINHTTP_CANNOT_CONNECT error? up vote 0 down vote favorite I am working on a sample which send file to server. To send file to server I am using WinHttpSendRequest() API. In my machine It worked fine. But for some other machine it is not working. It gives the error ERROR_WINHTTP_CANNOT_CONNECT(12029). I checked the Firewall setting; it is same as my machine. Please let me know why I http://stackoverflow.com/questions/3912043/why-i-get-winhttpsendrequest-gives-error-winhttp-cannot-connect-error am getting this error. Update: once after searching in the net, I think firewall is blocking the connection. I installed 3rd party Firewall and blocked all network operation in firewall. Once after blocking, I got 12029 errors. My question is: is it possible to identify weather our request is blocked by firewall? Please help me to solve this problem. winapi networking share|improve this question edited Oct 13 '10 at 11:45 asked Oct 12 '10 at 5:59 Umesha MS 98862043 Have you looked at this question: http://stackoverflow.com/questions/6071396/winhttp-doesnt-work-when-hostname-doesnt-contains-www-error-12029 ? Maybe users sitting behind some redirecting proxy, and WinHttp is restricted to do redirects. –floatdrop Feb 20 '12 at 9:38 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote You could use the Windows Firewall API to check if certain ports are open or if your program has access. You can also use the API to configure the firewall to allow your program access if neccessary. Here are a few examples of using the interface: http://msdn.microsoft.com/en-us/library/aa364726(VS.85).aspx http://nsclient.org/nscp/browser/branches/stable/helpers/installer_dll_fw/firewall.cpp?rev=184 http://ultravnc.hg.sourceforge.net/hgweb/ultravnc/ultravnc/file/28d4e56ffaeb/UltraVNCv2/uvnc_settings/uvnc_settings/firewall.cpp share|improve this answer edited Oct 22 '10 at 11:18 answered Oct 19 '10 at 19:04 Garett 12.1k33756 Thanks for your repla
Forum Visual C++ & C++ Programming Visual C++ Programming Problem with WinHTTP Socket Application If this is http://forums.codeguru.com/showthread.php?546217-Problem-with-WinHTTP-Socket-Application your first visit, be sure to check out the FAQ by clicking the link above. You may have to register or Login before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Results 1 to 5 of 5 Thread: Problem with http error WinHTTP Socket Application Tweet Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode July 28th, 2014,03:40 AM #1 maverick786us View Profile View Forum Posts Senior Member Join Date Apr 2005 Posts 1,828 Problem with WinHTTP Socket Application I am running this WinHTTP-WebSocket Application 12029 error winhttp in a Windows 8.1 platform with Visual Studio 2013. http://code.msdn.microsoft.com/windo...a140b5#content. But while running this application, I come across Error 12029 which is generated while calling WinHttpSendRequest function. Can someone tell me a solution to this? Reply With Quote July 28th, 2014,04:15 AM #2 VictorN View Profile View Forum Posts Super Moderator Power Poster Join Date Jan 2003 Location Wallisellen (ZH), Switzerland Posts 18,656 Re: Problem with WinHTTP Socket Application I'd like to inform you that there is MSDN (Microsoft Developer Network) that contains also the information about API possible error codes and descriptions. Didn't you know about it? Then (just for you!): Error Messages The error values listed below are returned by GetLastError when one of the Microsoft Windows HTTP Services (WinHTTP) functions fails, and are also returned in the lower 16 bits of HRESULT error returns from the WinHttpRequest object. Error values whose names begin with "ERROR_WINHTTP_" are specific to the WinHTTP functions. The WinHTTP functions also return Windows error messages where appropriate. .... ERROR_WINHTTP_CANNOT_CONNECT 12029 Returned if connection t