Mipam <reinoud@ibbnet.org> writes:
> Then i tryed this: (suppose the jail dir is /bind/jail)
> 
> named -c /bind/jail/named.conf -u bind -g bind -t /bind/jail
> 
> then i get: unable to open /bind/jail/named.conf

Well, when you've chrooted into /bind/jail, there isn't a file in
there named /bind/jail/named.conf with respect to the chrooted
/bind/jail directory, is there?

try 

named -c /named.conf -u bind -g bind -t /bind/jail