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I am trying to find a VNC server that can listen on a Unix domain socket instead of a TCP port (normally 5900).

I have not found any VNC server software supporting this. I do know what domain sockets are and want to use server and client on the same box. I know it's a weird requirement. I have a client for it. I modified one to support Unix sockets.

Does anyone know of a VNC server that supports Unix sockets?

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Isn't there a server configuration setting that controls this? – martineau Aug 7 '12 at 0:01
@martineau: Is there? I went thru it once. Please, let me know if there is one. – agentsmith.android Aug 7 '12 at 0:07
Sorry, I was mistaken. – martineau Aug 7 '12 at 0:14

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1 Answer

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You may be able to use socat to forward a UNIX domain socket to a TCP port. It is very flexible and lets you forward just about any source to any target.

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Little more clarification. I want to use domain sockets because I need to use vncserver and client on the same host and there is no point in going thru network stack when you can have domain sockets. If I use socat, will vncserver avoid going thru network stack? If yes can you give a short example. Thanks. – agentsmith.android Aug 7 '12 at 0:38
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Try this syntax: socat UNIX-LISTEN:/tmp/vlc TCP:localhost:9999. This listens for a client to connect to a UNIX domain socket (at pathname /tmp/vlc) and when the connection happens, forwards traffic bidirectionally to TCP port 9999 on host localhost. See the man page for socat for variations. This does not avoid traffic going through the network stack, but no traffic leaves your host. – Fran Aug 7 '12 at 1:16
thanks. But I am looking at domain sockets for avoiding network stack. – agentsmith.android Aug 7 '12 at 1:26

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