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Asked: 2026-05-13T12:32:17+00:00

This might be a non-programming question. Exposition: 1) I am using Linux. 2) I

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This might be a non-programming question.

Exposition:

1) I am using Linux.

2) I have two C++ programs, “client” and “server”; they run on different machines, they currently talk over tcpip. I have the source code to both programs.

3) Neither program does buffer over flow checking / defense against man in the middle atacks / mac / encryption.

4) I don’t want to add this extra layer of complexity to my programs.

5) I want to have the two programs just talk over a ssh channel (but both client & server are running on machines that are multi-user; so if I just open up ports, other uses may access them too).

Question:

What is the least intrusive way to get client&server to talk to each other over a secure channel?

Thanks!

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1 Answer

  1. Editorial Team

    As far as programming solutions go, you’d need OpenSSL or GNU TLS. Out of those two the latter is a lot more cleanly written (OpenSSL has many pitfalls).

    For a really elegant solution one would use OpenSSL via boost::asio, but that solution is probably suitable only if you’re starting a new project.

    In terms of user-space solutions, if you could set up both programs to run as a specified user, you could probably setup an SSL tunnel for them, but that highly depends on how you want connections to be established.

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