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Re: iptable in fc5



> On 5/15/06, Hongwei Li <hongwei wustl edu> wrote:
>> Hi,
>>  Sorry that I hit the Send before I finish it.
>>
>>  I have a question about iptables in fc5. I have iptables 1.3.5-1.2
>> installed.
>>  By default, the iptables has a line
>>  -A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
>>  ... and
>>  -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
>>
>>  I try to add the port 2049 for our lan nfs by adding aline before the above
>>  reject line:
>>
>> -A RH-Firewall-1-INPUT -s 128.252.85.0/255.255.255.0 -m state --state NEW -m
>> tcp -p tcp --dport 2049 -j ACCEPT
>> -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited
>>
>> and restart iptables.  But my other linux boxes cannot mount the exported
>> folder.  If I stop the iptable, then they can mount it.  I tried to open
>> several other ports: 137, 139, etc.  But as long as the last line is there,
>> it
>> always failed.  If I comment out the last line, then nfs works.
>>
>> What is "icmp-host-prohibited"?  How to set it to allow some requests?  It
>> seems that it is different from in fc4. Is there any link for iptables in
>> fc5
>> where I can learn more?
>>
>> Thanks!
>>
>> Hongwei
>>
> Have you tried the GUI configuration tool?
>

Yes, the same problem.  The other main problem of the gui tool is that it does
not provide some required options, e.g. I want to open a port (say 2049, 137,
139) ONLY to my lan, but the gui tool does have place to enter "source",
"destination", etc. It only provides port number and tcp/udp selection.  How
to do it with source/destination?

Thanks.

Hongwei


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