*eli-daemon-socket-hook*

The value of this variable should be a function that accepts one argument. (It should be acceptable as the first argument to funcall.) The argument will be a port for a socket connection. The function is called to initialize the socket that is used to communicate with Emacs when the Emacs-Lisp interface is started.

The initial value is effectively

(lambda (port) 
  (acl-socket:make-socket :connect :passive :local-port port))

which merely creates a local, passive socket on port. (The actual value is a compiled function object.)

To limit connection to the local machine, use a value similar to this:

(lambda (port)
  (acl-socket:make-socket :connect :passive :local-port port
                         :local-host "127.0.0.1"))

For more information see the documentation on acl-socket:make-socket.

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This page was not revised from the 9.0 page.
Created 2015.5.21.