I18n support

[Mark Andrews]

> Hi all
> 
> I am working to a network solution which uses BIND NS, and the request
> for supporting the wider charsets brings some questions about named
> implementation.
> 
> Here are the steps:
> 1. use nsupdate and add a TXT record:
> update add d.itcnetworks 123 txt ßöäü
> 2. use dig to see the results
> >dig @127.0.0.1 d.itcnetworks txt
> 
> ; <<>> DiG 9.3.1 <<>> @127.0.0.1 d.itcnetworks txt
> ; (1 server found)
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1449
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;d.itcnetworks.                 IN      TXT
> 
> ;; ANSWER SECTION:
> d.itcnetworks.          123     IN      TXT     "\225\148\132\129"
> 
> ;; AUTHORITY SECTION:
> d.itcnetworks.          86400   IN      NS      burebista.itcnetworks.
> 
> ;; Query time: 0 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Mon Oct 10 16:16:24 2005
> ;; MSG SIZE  rcvd: 72
> 
> 3. use nslookup
> >nslookup
> Default Server:  ldap.itcnetworks
> Address:  10.1.1.2
> 
> > server 127.0.0.1
> Default Server:  localhost
> Address:  127.0.0.1
> 
> > ls -d d.itcnetworks
> [localhost]
> d.itcnetworks.                 SOA    burebista.itcnetworks . (202 10800
> 3600 604800 86400)
> d.itcnetworks.                 TXT             "ßöäü"
> 
> d.itcnetworks.                 NS     burebista.itcnetworks
> d.itcnetworks.                 SOA    burebista.itcnetworks . (202 10800
> 3600 604800 86400)
> >
> 
> 4. Also, the zone file looks like
> $ORIGIN .
> $TTL 86400    ; 1 day
> d.itcnetworks        IN SOA    burebista.itcnetworks. . (
>                202        ; serial
>                10800      ; refresh (3 hours)
>                3600       ; retry (1 hour)
>                604800     ; expire (1 week)
>                86400      ; minimum (1 day)
>                )
>            NS    burebista.itcnetworks.
> $TTL 123    ; 2 minutes 3 seconds
>            TXT    "\225\148\132\129"
> 
> 
> Are the nslookup / dig having different results? Is it the zone file the
> standard way of BIND named to save the chars?

	They are the same result just different presentations of it.
 
> Also, I fed the named with the zone file containing the germans chars,
> and it had no problem interpreting them. dig still doesn't show the
> german chars, and also, after a while, named replaced the chars with the
> digit representation.
> 
> Is that the way that named deals with local character sets? Could you
> please point where to look to understand the named philosophy for i18n?
> Is a recompile required, or something else, to have named running with 
> i18n support?

	The DNS moves bits not characters.  It up to the application
	to display the bits as it sees fit.
 
> -- 
> Thx
> 
> Radu "Ux" D.
> 
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org