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Subject: Re: [gentoo-user]  Re: {OT} TCP or UDP?
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Nikos Chantziaras schrieb:
> Grant wrote:
>> How can I find out whether I should be specifying TCP, UDP, or both
>> for iptables (shorewall) config?
> 
> By knowing the application's protocol for which you write the rules for :P
> [...]   So you have to research a bit to see if the
> application uses TCP or UDP.
> 
> 

  You can also have a look at /etc/services which lists the more common 
protocols and their ports.