From owner-freebsd-questions  Mon Mar 20  6:45:49 2000
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Message-ID: <38D6394D.8A62059D@afccc.af.mil>
Date: Mon, 20 Mar 2000 09:44:29 -0500
From: Kevin Havener <kevin.havener@afccc.af.mil>
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Subject: Can't resolve localhost
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I suddenly can't resolve localhost.  I found this when I tried
fetching my mail with fetchmail.  It gave me this error message.  

     $ fetchmail --keep
     fetchmail: SMTP connect to localhost failed
     fetchmail: SMTP transaction error while fetching mail from ...
     fetchmail: Query status=10

The only other problem I've had is that cvsup can't find its own ip
address:

     # cvsup /etc/cvsupfile
     Cannot get IP address of my own host -- is its hostname correct?

I've solved this in the past by dorking around with /etc/hosts but
it's never messed up fetchmail before.  Now cvsup and fetchmail are
both hosed, and I can't get them to work again.  Any suggestions?

Following Lehey's advice in CFBSD (p 557)

     $ telnet localhost smtp
     localhost: Unknown host

or more simply:

     $ telnet localhost
     localhost: Host name lookup failure

Telnetting to localhost or to the smtp listener does work if I use
127.0.0.1. 

Now I was mucking around trying to set up a caching nameserver (also
following procedure in CFBSD).  I've obviously changed my
configuration somehow.  I've put everything back the way it was before
I started having this problem--or so I think.  I think these are all
the relevant files.  Can anyone think of another configuration file 
I've forgotten?  This is a standalone (3.4R) machine connecting by
modem to my ISP.

     $ more /etc/hosts
     127.0.0.1  localhost #there is a tab here.  Is this tab sensitive?
                          #just tried it without --doesn't seem to be

     $ more /etc/host.conf
     # $Id: host.conf,v 1.5 1998/11/16 02:02:30 jkh 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

     $ more /etc/resolv.conf
     nameserver      209.215.82.130
     nameserver      209.215.82.133

     $ more rc.conf
     # This file now contains just the overrides from
/etc/defaults/rc.conf
     # please make all changes to this file.

     # -- sysinstall generated deltas -- #
     ifconfig_ppp0="inet   netmask 255.255.255.0"
     moused_enable="YES"
     defaultrouter="NO"
     network_interfaces="ppp0 lo0"
     hostname="freebsd"
     linux_enable="YES"
     lpd_enable="YES"
     browserPackage="lynx"

     NOTE:  never mucked with host.allow and host.equiv to my knowledge


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