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From: cc <cc@belfordhk.com>
To: Rob Sterenborg <rob@sterenborg.info>
Cc: 'Netfilter Group' <netfilter@lists.netfilter.org>
Subject: Re: udp port 135
Date: Thu, 14 Aug 2003 15:54:50 +0800	[thread overview]
Message-ID: <3F3B404A.7060400@belfordhk.com> (raw)
In-Reply-To: <001201c36225$e166d270$0401000a@sterenborg.info>

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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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  reply	other threads:[~2003-08-14  7:54 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-14  4:24 udp port 135 cc
2003-08-14  5:35 ` Rob Sterenborg
2003-08-14  7:54   ` cc [this message]
2003-08-14  8:38     ` Maciej Soltysiak
2003-08-14 10:12     ` Ralf Spenneberg
2003-08-14  7:16 ` Maciej Soltysiak

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