My aim is to test whether my router supports what kind of NAT ..and to
know abt how we can make nat types that are not supported ,working
.....
A { client computer } --------------------------> Router
------------------------> internet ...
This is my setup .
Thanks,
Rat
On Fri, Aug 7, 2009 at 5:40 PM, Thomas Jacob<jacob@xxxxxxxxxxxxx> wrote:
> On Fri, 2009-08-07 at 16:52 +0530, ratheesh k wrote:
>> Hi ,
>>
>> I have a linux router with only one rule
>>
>> iptables -t nat -A POSTROUTING -i eth0 -o eth1 -j MASQUERADE
>>
>>
>> What i understood is (by googling net ) is that adding this will
>> give symmetric nat support to my router , is it true ???.
>
> Yes
>
>> 1. To have " full cone nat" support what should i do ?? Is it same
>> as DMZ configuration ??
>>
>> 2 . restricted nat and port restricted nat cannot be implemented
>> using iptables ???
>
> These are all technically inferior to symmetric NAT, and are AFAIK
> not provided by netfilter/iptables.
>
> I suggest you describe in detail(!) what you want to achieve to the list
> (possibly with ASCII diagrams) and then maybe people can help
> you out.
>
>
>> 3 . i installed windows STUC and tested . Test results show it is a
>> portrestricted nat ... But if i make default policy for wan INPUT and
>> wan PREROUING as REJECT , test got failed ??? is it iptables
>> dependend ??
>>
>> Thanks,
>> atheesh
>
>
>
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