what is the issue/difference between ip 127.0.0.1(localhost) and 0.0.0.0?

submitted by [deleted] from (self.programming)

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[–][deleted] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

so if i write my sockets server and have it bind to 0.0.0.0 it will catch all traffic? is it possible that i can bind a server that will catch ALL traffic on my computer to all ports?

is that a stupid question?

[–]Antarchomachus 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

It will catch traffic coming to any IP address accessible from your machine, including the loopback interface. I misused the word 'port'. 0.0.0.0 listens to all 'IP addresses', the actual port is a different matter