Forwarding issues

[Julienna Chu]

Guys,

What is the signifigance of having a "forward only;" directive in the 
/etc/named.conf file?

options {
        forwarders { x.x.x.x; };
        forward only;
 };

I would have the same functionality if I did this so why do people 
recommend that 
one include the "forward only;" dircective?

options {
        directory "/usr/local/named";
        forwarders { x.x.x.x; };
 
};

2.  Also, when I look in /var/log/messages

Oct 23 21:48:48 demo11 named[851]: hint zone "" (IN) loaded (serial 
1999102300)
Oct 23 21:48:48 demo11 named[851]: listening on [127.0.0.1].53 (lo)
Oct 23 21:48:48 demo11 named[851]: listening on [192.168.1.1].53 (eth0)
Oct 23 21:48:48 demo11 named[851]: Forwarding source address is 
[0.0.0.0].1027
Oct 23 21:48:48 demo11 named[852]: Ready to answer queries.

Why does it say my Forwardinf address is [0.0.0.0].1027

Oct 23 21:48:48 demo11 named[851]: Forwarding source address is 
[0.0.0.0].1027

Thanks. Replies through e-mail would be greatly appreciated.