COM LPC, RPC and secure communication

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Hello Folks,
I have a COM server and Client. AFAIK, they communicate over RPC on different computers and LPC on the same computer system. Is there any way to secure this communication? i.e. verify client and server and then start communication?

Thanks in advance.

What I have tried:

MS documentation, RPC protocol,LPC protocol.

Posted 1-Jan-24 1:42am

Member 15635207

Updated 2-Jan-24 6:04am

Andre Oosthuizen

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Jo_vb.net 1-Jan-24 10:29am

This may help you:
https://www.akamai.com/blog/security-research/msrpc-security-mechanisms

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Maxim Kartavenkov · Answer 1 · 2024-01-09T00:26:00

On application layer you can start to look from the topic:
COM+ Security Concepts - Win32 apps | Microsoft Learn[^]
It starts from the basic description and go down to the implementation.
Next thing you can look is the COM+ events:
COM+ Events Concepts - Win32 apps | Microsoft Learn[^]
As there is event interface IComSecurityEvents which allows you to check authentication.
If you need low level of that see the:
Writing a Secure RPC Client or Server - Win32 apps | Microsoft Learn[^]
Along with above check the RPC Protocol documentation.

Regards,
Maxim.