denied/unapproved update

[Georges Olivier]

Hello,

Here are two troubles encountered on a AIX server, please give me some informations about them.

1/ After some changes on one of the dns servers, the named keeps sending the following line in
/var/adm/syslog.log
    named[7664]: unapproved update from [10.1.25.46].4123 for labo.testing-zone.com
or sometimes
    named[7664]: denied update from [10.1.25.46].4582 for labo.testing-zone.com

2/ While launching the named I've got another message :
    named[11598]: limit "max number of open files" not supported on this system - ignored
Where can I find some info to tune that parameter ?

BR
--
Georges Olivier