Bind ip alias

Mark Lowe mark.lowe at boxstuff.com
Mon May 24 08:10:42 UTC 2004


Thanks Steve

There's a lot to change around a lot and a lot to take in, but your 
answer does exactly what I'm trying to do.

Many thanks mark

On 24 May 2004, at 00:03, Cowles, Steve wrote:

> Mark Lowe wrote:
>> Hello
>>
> ...[snip]
>
>> How to I get things so to the outside world hosteddomain.com
>> is the real ip and to the server its the aliased one?
>
> ...[snip]
>
> Are you sure you're not wanting (asking how) to implement bind views? 
> i.e.
>
> -----------------------------------------------
> # cat /var/named/internal/db.maindomain
>
> $ttl 38400
> @       IN      SOA     mainhost.maindomain.com.
> root.mainhost.maindomain.com. (
>                          1084742277
>                          10800
>                          3600
>                          604800
>                          38400 )
> hosteddomain.com.           IN     NS ns.maindomain.com.
> www.hosteddomain.com.       IN     A       10.0.0.10
> ftp.hosteddomain.com.       IN     A       10.0.0.10
> mail.hosteddomain.com       IN     A       10.0.0.10
> hosteddomain.com.           IN     A       10.0.0.10
>
> -----------------------------------------------
> # cat /var/named/external/db.maindomain
>
> $ttl 38400
> @       IN      SOA     mainhost.maindomain.com.
> root.mainhost.maindomain.com. (
>                          1084742277
>                          10800
>                          3600
>                          604800
>                          38400 )
> hosteddomain.com.           IN     NS ns.maindomain.com.
> www.hosteddomain.com.       IN     A       4.5.6.10
> ftp.hosteddomain.com.       IN     A       4.5.6.10
> mail.hosteddomain.com       IN     A       4.5.6.10
> hosteddomain.com.           IN     A       4.5.6.10
>
> -----------------------------------------------
> #cat /etc/named.conf
>
> options {
>         directory "/var/named";
>
>         pid-file "/var/run/named/named.pid";
>         statistics-file "/var/log/named/named.stats";
>         dump-file "/var/log/named/named.dump";
>         zone-statistics yes;
>
>         // Listen ONLY on the following interfaces
>         listen-on { 127.0.0.1 ; 10.0.0.10; };
> ...[snip]
> };
>
> acl "trusted-nets" {
>         10.0.0.0/24;
>         127.0.0.1;
> };
>
> ...[snip]
>
> view "internal" in {
>         //Only allow trusted nets to query this view
>         match-clients { trusted-nets; };
>
>         // Enable recursion for this view
>         recursion yes;
>
>         // Cache data retrieved in this view
>         additional-from-auth yes;
>         additional-from-cache yes;
>
>         // Load the "root" (hints) zone
>         zone "." in {
>                 type hint;                      // Zone is of type hint
>                 file "root.cache";              // Specify the root 
> filename
>         };
>
>         // Load the internal 127.0.0 reverse zone
>         zone "0.0.127.in-addr.arpa" in {
>                 type master;                    // Zone is a master
>                 allow-transfer { none; };       // Do not accept zone
> tranfers
>                 allow-query { any; };           // Allow anyone to 
> query
> zone
>                 file "internal/db.127.0.0";     // Load internal zone 
> file
>         };
>
>         // Load the internal maindomain.com zone
>         zone "maindomain.com" in {
>                 type master;                            // Zone is a 
> master
>                 notify yes;                             // Send 
> notifies?
>                 file "internal/db.maindomain";          // Load zone 
> file
>         };
> ...[snip]
> };
>
> view "external" in {
>         //Allow anyone to query this view
>         match-clients { any; };
>
>         // Disable recursion for this view
>         recursion no;
>
>         // Do NOT cache data retrieved in this view
>         additional-from-auth no;
>         additional-from-cache no;
>
>         // Load the "root" (hints) zone
>         zone "." in {
>                 type hint;                      // Zone is of type hint
>                 file "root.cache";              // Specify the root 
> filename
>         };
>
>         // Load the external maindomain.com zone
>         zone "maindomain.com" in {
>                 type master;                    // Zone is a master
>                 notify yes;                     // Send notifies?
>                 allow-query { any; };           // Allow anyone to 
> query
> zone
>                 file "external/db.maindomain";  // Load zone file
>         };
> ...[snip]
> };
>
> # cat /etc/resolv.conf
> search maindomain.com
> nameserver 127.0.0.1
> ...[snip]
>
>
> At least that's what I do at this end. Using the above example, any 
> host on
> your lan configured to use this DNS server along with the server itself
> (127.0.0.1) would return the 10.0.0.10 address. A query to your DNS 
> server
> originating from the internet would return the 4.5.6.10 address. FWIW: 
> I
> configure my apache virtual's to refernece the internal ip address 
> like what
> you posted.
>
> Steve Cowles
>
>
> -- 
> redhat-list mailing list
> unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/redhat-list
>





More information about the redhat-list mailing list