Entry in /etc/hosts not used

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Date: Thu, 12 Jun 2003 15:40:50 +0700
To: freebsd-questions@FreeBSD.ORG

I've been trying to install a Content Management System for evaluation
purposes. The system needs to have some virtual domains set up and the docs
recommend putting the dummy addresses in the /etc/hosts file. That's fine
by me, because I use /etc/hosts for all the DNS queries for machines on my
LAN, but I had not realized a single IP address could resolve to more than
one name. The entries in /etc/hosts are:

10.3.16.125 editor.imp.ac.th editor
10.3.16.125 www.imp.ac.th www
10.3.16.125 admin.imp.ac.th admin
10.3.16.125 su.imp.ac.th su

My resolv.conf file is:

domain imp.ac.th
nameserver 202.21.144.1

My host.conf file is:

# $FreeBSD: src/etc/host.conf,v 1.6 1999/08/27 23:23:41 peter Exp $
# First try the /etc/hosts file
hosts
# Now try the nameserver next.
bind
# If you have YP/NIS configured, uncomment the next line
# nis

At this point, I'm baffled. Apache is running on the machine that acts as
the server for the office lan as well as the gateway to the internet. I
have two NIC's, ed0 set as 203.151.134.xxx, and ed1 set as 10.3.16.125.

If I set all four names to the IP address 203.151.134.xxx, I'm able to ping
three of them from machines on my LAN, but not editor.imp.ac.th. When I set
the four names to the IP address 10.3.16.125, I'm not able to ping any of
them from the LAN. When I changed the entries in /etc/hosts back to
10.3.16.125, I'm still able to ping admin, www, and su, but ping shows
their addresses as still being 203.151.134.xxx!

When I point my browser (Mozilla, 1.3.1) at www, admin, or su.imp.ac.th, it
displays the root document from the Content Management System I'm trying to
configure, but it gives me an error message, "editor.imp.ac.th could not be
found, please check and try again".

I'm baffled and haven't been able to find anything from Google searches. I
don't understand why the name editor.imp.ac.th is being treated differently
from the other three, and I don't understand why I can ping the interface
*not* in my LAN but not the interface that directly connects with the
machines in my LAN.

Can anyone suggest what to try next? Oh -- it's essential I be able to
connect my browser to editor.imp.ac.th, because that's the only way to log
in to the CMS.

-- 
Roger
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• Previous message: Paul Chvostek: "buffered fifo?"
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