On 2003.09.23_00:31:56_+0000, JaVas wrote:
> to achieve the same result since the Hosts file on a Windows machine
> resolves the friendly name localhost into the IP address 172.0.0.1. Finally,
127.0.0.1?
> you can even ping any legal IP address of the form 127.x.y.z to test your
> TCP/IP protocol stack. If this test produces an error, either your network
> interface card (NIC) is incorrectly configured or your protocol stack is
> corrupt. If the configuration looks correct, try removing and reinstalling
> TCP/IP on your machine to fix the problem. If that fails, try reinstalling
> the driver for your NIC or replacing the NIC
Setidaknya di OpenBSD, ketika 127.x.y.z (selain 127.0.0.1) di-ping, akan
menimbulkan pesan "network is unreachable", kecuali interface lo0 atau lo1
dikonfigurasi dengan alias yang bersangkutan.
Bahkan, di RFC 990, disebutkan bahwa:
The class A network number 127 is assigned the "loopback"
function, that is, a datagram sent by a higher level protocol
to a network 127 address should loop back inside the host. No
datagram "sent" to a network 127 address should ever appear on
any network anywhere.
Perhatikan kata kunci "should", di mana artinya tidak mengikat, dan
tidak ada keharusan untuk itu.
CMIIW
>
> Regards,
>
>
> Panji.M
>
--
H. D. Lee
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