[nv-l] Re: Help with name resolution on Linux

[Leslie Clark <lclark@us.ibm.com>]

Test - resending. 
I did not get a copy of this back, although
I did receive a copy of the one posted this morning about Herman's question.

Cordially,

Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
(248) 552-4968 Voicemail, Fax, Pager

Leslie Clark/Southfield/IBM

12/21/2004 12:12 PM

To	nv-l@lists.us.ibm.com
cc
Subject	Help with name resolution on LinuxLink

Has anyone encountered this? I'm trying
to override DNS with /etc/hosts. It appears that you do this in /etc/nsswitch.conf
and /etc/host.conf on Linux, similar to Solaris. And the host command behaves
differently than it does on AIX - it always checks only dns, like nslookup.
The same with the 'dig' command. So it is tricky to verify just what is
going on. It appears to me that it works for forward resolution, but not
for backward resolution. 

That is,  gethostbyname  respects
the order that you set in nsswitch.conf
     hosts:  files
dns
and in /etc/host.conf 
     order hosts, bind
     multi on
but gethostbyaddr does not.

Suggestions welcome.

Cordially,

Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
(248) 552-4968 Voicemail, Fax, Pager