[cobalt-users] RaQ4i HowTo do RFC2317 reverse DNS delegation (more details)

[Christopher Jay Manders <Chris.Manders@xxxxxxxxxxxxxxxx>]

Hi again,

More data to work with:
Using RaQ4i with Cobalt Linux release 6.0 Kernel 2.2.14C11
This is only about DNS reverse (PTR) lookups and the GUI administrative
interface.

Basically we have an IP block (Class C [or in CIDR terms a /24]). We split
it up and handed 0-127 to one client. 128-255 are to another client. One
wants to have DNS PTR delegation via the RFC 2317-style.

So, we need to do something like this with our own in-addr.arpa zone file:
129.125.127.203.in-addr.arpa. IN CNAME 129.128.125.127.203.in-addr.arpa.

But, we can't seem to find the right combination to use in the GUI to get
this to occur.

We have tried using the .include file. We made a file named:
pri.128-25.222.199.63.in-addr.arpa.include

The file contains:
$TTL 86400
128-25.222.199.63.in-addr.arpa. IN SOA alameda.webiz.com.
admin.ns1.dslextreme.com. (
        2001092616
        10800
        3600
        604800
        86400
        )
128-25.222.199.63.in-addr.arpa. IN      NS      63.199.222.190.
; End SOA Header
;
; Do Not edit BIND db files directly.
; Use the administrative web user interface
; /admin/ -> Control Panel -> DNS Parameters
; Custom additions may be made by creating a file of the same name as this
but
; with a; .include suffix.  Click Save Changes in the DNS web interface and
; the inclusion will be made.
;
129.222.199.63.in-addr.arpa. IN CNAME  129.128.222.199.63.in-addr.arpa.
130.222.199.63.in-addr.arpa. IN CNAME  130.128.222.199.63.in-addr.arpa.

Since it won't allow without a regular zone file, we also had to create one
of those. It contains:
 $TTL 86400
128-25.222.199.63.in-addr.arpa. IN SOA alameda.webiz.com.
admin.ns1.dslextreme.com. (
        2001092618
        10800
        3600
        604800
        86400
        )
128-25.222.199.63.in-addr.arpa. IN      NS      alameda.webiz.com.
; End SOA Header
;
; Do Not edit BIND db files directly.
; Use the administrative web user interface
; /admin/ -> Control Panel -> DNS Parameters
; Custom additions may be made by creating a file of the same name as this
but
; with a; .include suffix.  Click Save Changes in the DNS web interface and
; the inclusion will be made.
;
190     in      ptr     alameda.webiz.com.
$INCLUDE pri.128-25.222.199.63.in-addr.arpa.include

Thoughts or ideas would be most welcome.


Thanks!


Christopher



Christopher Jay Manders wrote:

> Hi,
>
> We need to delegate a /25 (using CIDR) netblock to a client and are
> having difficulty getting the interface/GUI of the Cobalt to actually do
> this. I cannot find any instructions or other advice as to how to
> acheive this. We have noticed that by using vi we can edit the files as
> would normally be used on a standard DNS server running BIND from
> www.isc.org, but we note that the database maintained by the Cobalt does
> not recognize the syntax and actually deletes our entries made by hand.
> We have tried several things, including the .include file thing, but to
> little effect. Any pointers, advice or other questions welcomed to help
> arrive at our goal of delegating the /25 block's reverse DNS maps to
> them.
>
> Thanks!
>
> Chris
>
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