socket send help
fakeaddress at nowhere.org
Tue Jan 6 01:49:59 CET 2009
Gabriel Genellina wrote:
> Bryan Olson escribió:
>> Gabriel Genellina wrote:
>>> greywine at gmail.com escribió:
>>>> A simple server:
>>>> from socket import *
>>>> myHost = ''
>>> Try with myHost = '127.0.0.1' instead - a firewall might be blocking
>>> your server.
>> Just a nit: I'd say the reason to use '127.0.0.1' instead of the empty
>> string is that a firewall might *not* be blocking your server.
>> The Python sockets module interprets the empty string as INADDR_ANY,
>> which means to bind to all available adapters including the loopback,
>> A.K.A localhost, A.K.A '127.0.0.1'.
> I thought a firewall would block an attempt to bind to any routeable
> address, but not to localhost. So using INADDR_ANY would be rejected.
So you thought this would fail at bind()?
My understanding is that firewalls block network traffic, not system calls.
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