Bind on Debian

[NDSoftware]

Hello,
I have installed BIND9 on Debian from the tarball (not deb package).

Now i wan't for security reason run BIND under
user named
group named


I have setup my config files like this:

start-stop-daemon --start --quiet --exec /usr/sbin/named -- -g named -u
named

But BIND don't start: --g invalid option

I have try:
start-stop-daemon --start --quiet --exec /usr/sbin/named -u named

And BIND start but under root :(

Who can help me ?

Thanks