From mboxrd@z Thu Jan  1 00:00:00 1970
From: cc <cc@belfordhk.com>
Subject: Re: udp port 135
Date: Thu, 14 Aug 2003 15:54:50 +0800
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To: Rob Sterenborg <rob@sterenborg.info>
Cc: 'Netfilter Group' <netfilter@lists.netfilter.org>

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Rob Sterenborg wrote:

>>iptables -A INPUT -i $EXT_DEV -p tcp -d $EXT_DEV --dport 135 -j DROP
>>iptables -A INPUT -i $EXT_DEV -p udp -d $EXT_DEV --dport 135 -j DROP
> 
>                                        ^^^^^^^^^^^
> 
> I guess the above and below is are typos ? It should be -d $EXT_IP.
> 
Yup.  They are.  Sorry.  Thought a copy& paste was sufficient. :)

> 
> No. I am interested too in why udp shows "open" from a foreign host,
> while tcp shows filtered.
> How can I check if an udp port is really closed/filtered or opened ?

I'm completely stumped on this issue.

Thanks.



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