Subject: Re: Newbie questions
From: Michael Tucker (mtucker@eecs.harvard.edu)
Date: Sat Jun 16 2001 - 11:08:33 MDT
Hi Carolyn,
When you connect out to the Internet, only one IP address (generally) of
your machine will be accessible from the outside. Although it is correct
that your machine will have multiple IP addresses some of them, like
127.0.0.1, are not eally "internet addresses". That one in particular is
the address for the loopback connection (which allows you to open a
connection to localhost even if you don't have a network). To find the IP
address supplied by your ISP, you need to figure out what address is
associated with your Ethernet card (alternatively the modem if you were
dialing up). Sometimes this can be figured out from the name of your
machine (aka adsl-xxx-xxx...), but you can always use the ifconfig command
to get information on your network devices and pull the IP addres from
there. Unfortunately, I'm not at a linux box at the moment so I can't tell
you exactly which number it is - but I do know it is not the P-to-P
number, and not the netmask. It will be a set of 4 numbers seperated by
".", just like a normal IP address. You may even recognize it as being
similar to the name mentioned above (adsl-xxx--blahblah). Hope that helps
:)
Mike
This archive was generated by hypermail 2a24 : Sat Jun 16 2001 - 10:13:59 MDT