Loopback configuration

[Red Cricket]

192.168.0.101 is in the non-routeable address block

https://en.wikipedia.org/wiki/Private_network


On Sat, Jun 22, 2013 at 2:00 PM, Lawrence K. Chen, P.Eng. <lkchen at ksu.edu>wrote:

> None of what you've described seems to have anything to do with bind....
>
> But, if you are running bind... there are a number of ways that you could
> have bind return the internal IP to internal users, and return the external
> IP to everybody else.  Can even do this if your internal DNS server is not
> connected to the external DNS servers in any way (
>
> Hard to say why your mail server was killed by the host file
> override....perhaps its using the external names to know what its external
> IP is, and it suddenly ceased to be an external.  Or perhaps it requires
> forward and reverse lookups to be correct, and you don't have your DNS
> configured to return the correct fqdn for 192.168.0.101.   Probably not,
> because there's no reverse for 184.70.190.126....hmmm, maybe it doesn't
> like that there's no longer an MX record for any of the domains now...where
> MX points to a different IP (184.70.190.122).
>
> ----- Original Message -----
> >
> > Hello,
> >
> >
> > I have a new router that is apparently making it impossible for me to
> > view my personal sites from behind the router by domain name, a
> > function that is necessary. I can see the sites by local 192.168....
> > ip address and port number and others have confirmed they are
> > available on the www, so the server is running and named is
> > resolving properly outside the LAN.
> >
> >
> > This is the hosts.conf, where I think my error might lie:
> >
> >
> >
> >
> >
> > ##
> > # Host Database
> > #
> > # localhost is used to configure the loopback interface
> > # when the system is booting. Do not change this entry.
> > ##
> > 127.0.0.1 localhost web2
> > 255.255.255.255 broadcasthost
> > ::1 localhost
> > fe80::1%lo0 localhost
> > 184.70.190.122 mail.normanfournier.com mail web1-ext
> > 184.70.190.126 web2.normanfournier.com www web2-ext
> > 192.168.0.1 nf-telus-gw-int
> > 192.168.0.100 norman-desktop
> > 192.168.0.101 ns2
> > 184.70.190.122 ns1
> >
> >
> >
> >
> >
> > I *added* these lines to the bottom of hosts.conf
> >
> >
> >
> >
> >
> > 192.168.0.101 creativeprocess.biz
> > 192.168.0.101 thecocoapod.com
> > 192.168.0.101 rogueagent.ca
> > 192.168.0.101 e4edmonton.com
> > 192.168.0.101 brandasset.net
> > 192.168.0.101 greaterthanhtml.com
> > 192.168.0.101 kawacatoose.com
> >
> >
> > I rebooted and something killed my mailserver when I did this, and I
> > still could now view the sites by domain name behind the router, so
> > I reverted to the old file. Is here another place I should add the
> > domain names, is there an error in my syntax (this has worked
> > perfectly before) or it this the entirely wrong place to be looking
> > to solve this problem?
> >
> >
> > Thank you.
> >
> >
> > Norman
> > _______________________________________________
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> >
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