Port number in A record in zone file

Matthew Seaman m.seaman at infracaninophile.co.uk
Thu Nov 17 14:52:58 UTC 2011

On 17/11/2011 14:41, Aleksander Kurczyk wrote:
> If not, it is possible to map traffic from,
> and to, and
> or to setup new loopback interfaces for,
> and on Mac OS X or somehow do that?

If you're going to create all those alias IPs on the loopback, why not
just run a named on each of them directly?  No need to worry about port
translation then.

Setting up aliases is easy enough:

seedling:~:% sudo ifconfig lo0 inet alias
seedling:~:% ifconfig lo0
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
	inet6 ::1 prefixlen 128
	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
	inet netmask 0xff000000
	inet netmask 0xff000000

(deleting one is just: sudo ifconfig lo0 inet -alias)



Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                  Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey     Ramsgate
JID: matthew at infracaninophile.co.uk               Kent, CT11 9PW

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