OK, thanks. It's a mostly-ignored argument to bind(). It never occured to me to use it to select for localhost.

Now I wonder if more than one listener can exist at the same time on the same port, with mutually exclusive addresses? So get one listener optomized for local connections, and one that works for all clients.

—John

In reply to Ren: local socket by John M. Dlugosz
in thread local socket by Punto

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