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Special Forums IP Networking Hosts file ignored, no DNS entry but still routes!! Post 302320678 by Donkey25 on Thursday 28th of May 2009 02:48:12 PM
Old 05-28-2009
Hosts file ignored, no DNS entry but still routes!!

Hi all,

I have an entry in my hosts file on a server called tractor as follows:

Code:
10.67.34.128 digger-m2m digger

I have a DNS server configured but it doesn't seem to know about digger. When I do an nslookup on tractor for digger i get the following:

Code:
new_dns1.oam.uk can't find digger: Non existant host/domain

There are 2 interfaces on digger - 1 is an OAM interface and the other is a machine to machine interface. The 10.67.34.128 address is the machine to machine interface and the OAM interface has address 172.34.85.102.

If I ping digger from tractor I can see by running a snoop on digger that I am pinging the 172 address but clearly my hosts file has digger listed at the 10 address.

I'm begining to wonder if tractor has somehow cached an association between digger and the 172 address. If so does anybody know how to clear it, or know why I'm getting the above behaviour with my hosts file seemingly being ignored?

Thanks!!!!

-----Post Update-----

I've just discovered that if I change my host entry on tractor to have digger_new at the end of it rather than just digger and then I ping digger_new it pings the right address.

So why does it not like digger? hmmmmmmmmm
 

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RPLAY.HOSTS(5)							File Formats Manual						    RPLAY.HOSTS(5)

NAME
rplay.hosts - rplay host authentication database SYNOPSIS
/usr/local/etc/rplay.hosts DESCRIPTION
The rplay.hosts file contains a list of hosts and access permissions which rplayd uses to validate incoming connections. Each line is of the form: hostname[:permission] where hostname is the name of a remote host or a host's IP address. Wildcards can be used within IP addresses to match multiple hosts. The wildcard character is "*". permission is an optional field containing any combination of the following characters: r the host can read sounds. w the host can write sounds. x the host can play, stop, pause, and continue sounds. This is normally called execute permission. m the host can monitor the audio stream written by rplayd to the audio device. "rx" permissions are used when no permissions are specified. EXAMPLE
# # All hosts have read access: # *:r # # Trusted hosts: # nice-guy.sdsu.edu:rwx friend.sdsu.edu:rwx amigo.sdsu.edu:rwx 130.191.224.224:rwx # # Hosts which can read and execute: # foo.bar.com:rx 130.190.*:rx 146.244.234.*:rx using.default.perms.edu # # Hosts which can monitor the audio stream # nsa.sdsu.edu:m FILES
/usr/local/etc/rplay.hosts SEE ALSO
rplayd(1) BUGS
The permissions for an "*" entry apply to all matching hosts. The order of this file does not matter. Specific hosts can have access dis- abled with entries like: bad.guy.edu: however, any matching "*" entries will still apply. 12/21/97 RPLAY.HOSTS(5)
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