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How does this affect servers like ejabberd? I just noticed that they upgraded their server yesterday [0] and am wondering if it could contain some kind of fix for this, or would this be unrelated?

[0] https://github.com/processone/ejabberd/releases

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toast0 6 days ago | parent [-]

ejabberd doesn't start the Erlang SSH daemon; or at least codesearch on their github doesn't have any reference to ssh other than something unrelated trying to figure out if a url is a git repo.

I didn't think anyone actually ran the Erlang SSH daemon (although there's evidence that some people do!). It makes for a fun demo, but a regular OS shell is more useful, and you can attach a debug shell to an existing BEAM process from there.

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codetrotter 6 days ago | parent [-]

> It makes for a fun demo, but a regular OS shell is more useful, and you can attach a debug shell to an existing BEAM process from there.

OTOH for example in Go people sometimes use the SSH protocol to provide access to cool things like an SSH based chat, instead of using it for shell access.

I haven’t looked at what the Erlang SSH server provides, but maybe you could do something like that? Write a chat server in Erlang and use the Erlang SSH server to provide users access to that chat?

	▲	toast0 6 days ago \| parent [-]
		Yes, the Erlang debug shell is just the default option; you can replace the interface with whatever, if you wanted to build a chat/mud/ascii cinema/etc, it should all be possible (but you'd be advised to review the OTP ssh code to confirm it does what you want and nothing extra)