[mythtv-users] iptables not blocking traffic from MBE to SBE

Mache Creeger mache at creeger.com
Thu Nov 13 15:23:01 UTC 2008

I want to disable a SBE/FE machine from operating so my thirteen year 
old cannot watch myth in lieu of doing his homework. I seem to be 
having problems getting iptables to lock out network traffic between 
it and the MBE. Any ideas what I am doing wrong?

-- Mache

At 12:57 PM 11/12/2008, Mache Creeger wrote:
>Any ideas? I run Fedora 9.
>-- Mache
>At 01:30 PM 11/11/2008, Mache Creeger wrote:
>>I am having problems getting iptables to block traffic from my MBE
>>(DIGIT) to my SBE (DEN). I have the proper iptables script in place
>>but packets still get through. It has got to be something simple.
>>What have I forgotten?
>>-- Mache
>>[root at DIGIT mythtv]# iptables -L
>>Chain INPUT (policy ACCEPT)
>>target     prot opt source               destination
>>DROP       all  --  DEN      DIGIT
>>Chain FORWARD (policy ACCEPT)
>>target     prot opt source               destination
>>Chain OUTPUT (policy ACCEPT)
>>target     prot opt source               destination
>>DROP       all  --  DIGIT    DEN
>>[root at DIGIT mythtv]# ping DEN
>>PING DEN ( 56(84) bytes of data.
>>64 bytes from DEN ( icmp_seq=1 ttl=64 time=13.6 ms
>>64 bytes from DEN ( icmp_seq=2 ttl=64 time=0.166 ms
>>--- DEN ping statistics ---
>>2 packets transmitted, 2 received, 0% packet loss, time 1893ms
>>rtt min/avg/max/mdev = 0.166/6.916/13.667/6.751 ms
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