cups localhost [SOLVED]

Linux LeX-PC 2.6.33-zen1 #1 ZEN SMP PREEMPT Tue Mar 9 14:57:24 SAMT 2010 x86_64 AMD Phenom(tm) 9550 Quad-Core Processor AuthenticAMD GNU/Linux

net-print/cups-1.4.3

при подключении к http://localhost:631/ выдаёт
"400 Bad Request"
в логах
E [08/Apr/2010:22:19:35 +0400] Request from "192.168.0.100" using invalid Host: field "localhost:631"

в чём может быть проблема? подскажите пожалуйста

/etc/hosts

127.0.0.1       localhost

route -n

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 br0
192.168.0.0     0.0.0.0         255.255.255.0   U     2      0        0 eth0
127.0.0.0       127.0.0.1       255.0.0.0       UG    0      0        0 lo
0.0.0.0         192.168.0.1     0.0.0.0         UG    2      0        0 eth0

ifconfig -a

br0       Link encap:Ethernet  HWaddr 0e:72:87:f3:75:72
          inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:135 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:22551 (22.0 KiB)

eth0      Link encap:Ethernet  HWaddr 00:1f:c6:be:f5:4e
          inet addr:192.168.0.100  Bcast:192.168.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7265646 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12753202 errors:0 dropped:0 overruns:0 carrier:1
          collisions:0 txqueuelen:1000
          RX bytes:895616554 (854.1 MiB)  TX bytes:15511164964 (14.4 GiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:104643 errors:0 dropped:0 overruns:0 frame:0
          TX packets:104643 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:9107526 (8.6 MiB)  TX bytes:9107526 (8.6 MiB)

vboxnet0  Link encap:Ethernet  HWaddr 0a:00:27:00:00:00
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

wlan0     Link encap:Ethernet  HWaddr 00:1a:92:d6:19:97
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

Проблема была в настройке iptables.