FC-5 iptables question

[Peter Horst]

Alexander Dalloz wrote:

> Peter Horst schrieb:
>
>> Sorry, kind of a dumb question.  I'm trying to open a port to allow 
>> DNS traffic (port 53, UDP and TCP).  I tried a quick nmap from 
>> outside my network, and though the tcp port shows up open, there's no 
>> reading from the udp port. How can I tell if I've opened the port 
>> correctly? Here's what I think is the relevant output from 'service 
>> iptables status' - does this look right?  Thanks much...
>
>
> Did you do an UDP nmap scan?
>
> nmap -sU -p53 <target_host>
>
>
Thank you for the assistance, all.  I did this UDP scan as indicated and 
it came back "open|filtered."  Sounds right?

Peter