"interface" = "network interface" = "network device"

in very simplified terms network interfaces are "logical devices" like loopback/localhost (127.0.0.1), 1st network card (e.g. 196.254.0.1)..nth network card (e.g. 196.254.0.N), dsl devices and so on. more or less everything having an IP address on the local machine. sometimes there is a real hardware device related to it.

if you want to specify a socket to "bind to all interfaces", you attach it to IP 0.0.0.0, which means: every TCP/IP device around.

(only to clarify, not a scientific answer)

  Bernd

Michael Masiak wrote:
I apologize up front for this question if it’s uninformed.

I’ve read the phrase “bind to all interfaces” in several threads from this
group.  I'm not certain what is intended by interfaces here--is this
sockets?  I understand binding sockets and binding languages, but never have
seen this usage.

Thanks,
Mike Masiak

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