diff --git a/reactos/include/psdk/rasshost.h b/reactos/include/psdk/rasshost.h
new file mode 100644
index 00000000000..3f2d836044d
--- /dev/null
+++ b/reactos/include/psdk/rasshost.h
@@ -0,0 +1,44 @@
+#ifndef _RASSHOST_H_
+#define _RASSHOST_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <ras.h>
+#include <mprapi.h>
+
+#define SECURITYMSG_SUCCESS       1
+#define SECURITYMSG_FAILURE       2
+#define SECURITYMSG_ERROR         3
+
+typedef DWORD HPORT;
+
+typedef struct _SECURITY_MESSAGE
+{
+    DWORD  dwMsgId;
+    HPORT  hPort;
+    DWORD  dwError;
+    CHAR   UserName[UNLEN + 1];
+    CHAR   Domain[DNLEN + 1];
+} SECURITY_MESSAGE, *PSECURITY_MESSAGE;
+
+typedef struct _RAS_SECURITY_INFO
+{
+    DWORD  LastError;
+    DWORD  BytesReceived;
+    CHAR   DeviceName[MAX_DEVICE_NAME + 1];
+} RAS_SECURITY_INFO, *PRAS_SECURITY_INFO;
+
+typedef DWORD (WINAPI *RASSECURITYPROC)();
+
+VOID WINAPI RasSecurityDialogComplete(IN SECURITY_MESSAGE* pSecMsg);
+DWORD WINAPI RasSecurityDialogBegin(IN HPORT hPort, IN PBYTE pSendBuf, IN DWORD SendBufSize, IN PBYTE pRecvBuf, IN DWORD RecvBufSize, IN VOID (WINAPI* RasSecurityDialogComplete)(SECURITY_MESSAGE*));
+DWORD WINAPI RasSecurityDialogEnd(IN HPORT hPort);
+DWORD WINAPI RasSecurityDialogSend(IN HPORT hPort, IN PBYTE pBuffer, IN WORD BufferLength);
+DWORD WINAPI RasSecurityDialogReceive(IN HPORT hPort, IN PBYTE pBuffer, IN PWORD pBufferLength, IN DWORD Timeout, IN HANDLE hEvent);
+DWORD WINAPI RasSecurityDialogGetInfo(IN HPORT hPort, IN RAS_SECURITY_INFO* pBuffer);
+
+#ifdef __cplusplus
+}
+#endif
+#endif