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Loopback is a separate interface, so you're saying it has its own set of ports, right?


-----Original Message-----
From: Jack Woehr [mailto:jwoehr@xxxxxxxxxxxxxxxxxxxxxxxx]
Sent: Sunday, May 26, 2019 10:54 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Ports IP specific?

Ports are per-interface.
In C see <sys/socket.h> struct sockaddr
In Java see javax.net ServerSocket ServerSocketFactory.createServerSocket(int
port, int backlog,InetAddress ifAddress) throws IOException

On Sun, May 26, 2019 at 9:32 AM Justin Taylor <JUSTIN@xxxxxxxxxxxxx> wrote:

Assuming my server IP is 9.8.7.6, can different services listen on
9.8.7.6:54321 and 127.0.0.1:54321?

--
Jack Woehr
Absolute Performance, Inc.
12303 Airport Way, Suite 100
Broomfield, CO 80021

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