DDNS能正向获取更新，反向不能获取更新，想破头了，来帮帮忙

[i=s] 本帖最后由 crossbitter 于 2011-11-22 14:47 编辑 [/i]

[code][root@host named]# cat /etc/dhcpd.conf
ddns-update-style interim;
ignore client-updates;
option domain-name "tcbuu.cn";
option domain-name-servers 10.22.1.123;
default-lease-time 600;
max-lease-time 800;
ddns-updates on;
subnet 10.22.1.0 netmask 255.255.255.0 {
range 10.22.1.60 10.22.1.69 ;
option routers 10.22.1.100;
}

key myddns{
algorithm HMAC-MD5.SIG-ALG.REG.INT;
secret mTwFaykuyGRDX8Om97ZJ6Q==;
}
zone tcbuu.cn.{
primary 10.22.1.123;
key myddns;
}
zone tcbuu.cn.arpa.{
primary 10.22.1.123;
key myddns;
}

[/code]cat /etc/named.rfc....[code]
key myddns{
algorithm HMAC-MD5.SIG-ALG.REG.INT;
secret mTwFaykuyGRDX8Om97ZJ6Q==;
};

zone "tcbuu.cn" IN{
type master;
file "tcbuu.cn";
allow-update{key myddns;};
};

zone "1.22.10.in-addr.arpa" IN {
type master;
file "tcbuu.cn.arpa";
allow-update{key myddns;};
};
[/code][code][root@host named]# tail /var/log/messages|grep dhcpd
Nov 22 14:29:44 host dhcpd: DHCPREQUEST for 10.22.1.68 (10.22.1.123) from 00:0c:29:dd:a8:cf via eth0
Nov 22 14:29:44 host dhcpd: DHCPACK on 10.22.1.68 to 00:0c:29:dd:a8:cf via eth0
Nov 22 14:31:04 host dhcpd: DHCPREQUEST for 10.22.1.69 from 00:0c:29:62:6b:91 (Win2003-pc5) via eth0
Nov 22 14:31:04 host dhcpd: DHCPACK on 10.22.1.69 to 00:0c:29:62:6b:91 (Win2003-pc5) via eth0
Nov 22 14:32:43 host dhcpd: DHCPREQUEST for 10.22.1.68 from 00:0c:29:dd:a8:cf via eth0
Nov 22 14:32:43 host dhcpd: DHCPACK on 10.22.1.68 to 00:0c:29:dd:a8:cf via eth0
Nov 22 14:34:05 host dhcpd: DHCPREQUEST for 10.22.1.69 from 00:0c:29:62:6b:91 (Win2003-pc5) via eth0
Nov 22 14:34:05 host dhcpd: DHCPACK on 10.22.1.69 to 00:0c:29:62:6b:91 (Win2003-pc5) via eth0
Nov 22 14:34:10 host dhcpd: DHCPREQUEST for 10.22.1.68 from 00:0c:29:dd:a8:cf via eth0
Nov 22 14:34:10 host dhcpd: DHCPACK on 10.22.1.68 to 00:0c:29:dd:a8:cf via eth0
[/code][code][root@host named]# tail /var/log/messages|grep named

Nov 22 14:27:59 host named[5615]: client 10.22.1.123#32780: view localhost_resolver: updating zone 'tcbuu.cn/IN': adding an RR at 'Win2003-pc5.tcbuu.cn' A
Nov 22 14:27:59 host named[5615]: client 10.22.1.123#32780: view localhost_resolver: updating zone 'tcbuu.cn/IN': adding an RR at 'Win2003-pc5.tcbuu.cn' TXT
Nov 22 14:27:59 host named[5615]: zone tcbuu.cn/IN/localhost_resolver: sending notifies (serial 1997022758)
Nov 22 14:27:59 host named[5615]: client 10.22.1.123#32781: view localhost_resolver: received notify for zone 'tcbuu.cn'
Nov 22 14:27:59 host named[5615]: client 10.22.1.123#32781: view localhost_resolver: update '1.22.10.in-addr.arpa/IN' denied
Nov 22 14:28:12 host named[5615]: client 10.22.1.123#32781: view localhost_resolver: updating zone 'tcbuu.cn/IN': adding an RR at 'slack.tcbuu.cn' A
Nov 22 14:28:12 host named[5615]: client 10.22.1.123#32781: view localhost_resolver: updating zone 'tcbuu.cn/IN': adding an RR at 'slack.tcbuu.cn' TXT
Nov 22 14:28:12 host named[5615]: client 10.22.1.123#32781: view localhost_resolver: update '1.22.10.in-addr.arpa/IN' denied
Nov 22 14:28:12 host named[5615]: zone tcbuu.cn/IN/localhost_resolver: sending notifies (serial 1997022759)
Nov 22 14:28:12 host named[5615]: client 10.22.1.123#32781: view localhost_resolver: received notify for zone 'tcbuu.cn'
[/code]在/var/named/下只有这三个文件
-rw-r--r-- 1 named named 468 Nov 22 14:02 tcbuu.cn
-rw-r--r-- 1 named named 432 Nov 22 13:46 tcbuu.cn.arpa
-rw-r--r-- 1 named named 2915 Nov 22 14:37 tcbuu.cn.jnl
正向想怎么更新就怎么更新，反向就是不行，我真的没办法了，坐等真理。