Writing a Secure RPC Client or Server

• RPC and the Network - Win32 apps

  This section discusses how to deal with network unreliability when using RPC, and explains how RPC-level APIs translate into network activity. The section refers only to the ncacn\_ip\_tcp and ncacn\_http protocol sequences.

• Controlling Client Authentication - Win32 apps

  The best method for authenticating a client is installing a security callback function using the RpcServerRegisterIf2 or RpcServerRegisterIfEx function; either accepts a security callback function as an argument.

• Choosing a Protocol Sequence - Win32 apps

  Best practices for choosing a protocol sequence involve using ncacn\_ip\_tcp and ncalrpc, not ncacn\_np, ncacn\_spx, and ncadg\_\ .

• Developing a High Performance RPC Server - Win32 apps

  The information in this section applies to remote protocol sequences ncacn\_ip\_tcp, ncacn\_http, ncacn\_np, and to Windows 2000 and Windows XP.

• Using Binding Handles and Making RPC Calls - Win32 apps

  A common mistake among RPC programmers is handling all exceptions.

• Which Security Provider to Use - Win32 apps

  All other things being equal, use RPC\_C\_AUTHN\_GSS\_KERBEROS or RPC\_C\_AUTHN\_GSS\_NEGOTIATE.

• Making RPC Function Calls - Win32 apps

  This section discusses best RPC programming practices for making RPC function calls.

• Indicate Errors by Exceptions - Win32 apps

  For traditional C programmers, errors are commonly returned through return values, or a special \ out\ parameter that returns the error code.

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