The Choice: IPv4 Exhaustion or Transition to IPv6

Mark Andrews Mark_Andrews at
Sat Jun 30 13:02:55 UTC 2007

In article <4685E472.4050200 at> you write:
>John Curran wrote:
>> Steve -
>>     For the first end site that has to connect via IPv6,
>>     it will be very bad if there is not a base of IPv6
>>     web/email sites already in place.
>As the network administrator for a Web hosting company, I've not seen 
>any coherent (and useful) information about how I can provide both IPv6 
>addressing and IPv4 addressing for the sites I host.  I'm in the process 
>of doing OS upgrades, and IPv6 is included...but currently I shut off 
>IPv6 because I don't have a IPv6 firewall solution yet.

	Well there are lots of firewalls that support IPv6.  If you can't
	find one you really have not searched.

>That includes DNS, by the way.  I'm deploying new DNS servers, and would 
>be *very* interested in how to convince BIND 9.2.4 to answer IPv6 queries.

	listen-on-v6 { any; };

	If you want finer acls than that in listen-on-v6 then you want
	BIND 9.3 (currently 9.3.4) or BIND 9.4 (currently 9.4.1).

>Another issue:  the Plesk Web control panel software from SW-Soft 
>doesn't seem to have any support for IPv6.  The CPanel Web Host Manager 
>at least lets me create AAAA records in zone files, so roughly 1/3 of my 
>customers *could* have IPv6 capability.
>Lurkers:  tutorials welcome.

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