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The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

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Re: [vox-tech] firewall question
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Re: [vox-tech] firewall question



On Thu, Jan 03, 2002 at 12:20:25PM -0800, Nicole Carlson wrote:
> On Thu, 3 Jan 2002, Peter Jay Salzman wrote:
> > web and ssh work fine just opening up 80/tcp and 22/tcp.   what exactly
> > are the udp ports used for?   is there any reason to open them up?
> 
> 1. Beats me.  Most services are connection-oriented.  The only "common"
> udp service I can think of is tftp.

DNS uses udp.

> 2. None springs to mind.  Wall 'em off.

I keep those closed and have not experienced problems.

-- 
Henry House
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for information.  My OpenPGP key: <http://romana.hajhouse.org/hajhouse.asc>.

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