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paulwebster
PostPosted: Wed Feb 12, 2014 4:25 am 
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Senior Newbie

Joined: Sun Jan 19, 2014 10:39 am
Posts: 10
I'm just tightening up our server a wee bit more.

I have port 53 open (TCP IN + OUT and UDP IN + OUT) (It's a web and mail server)

My server is not running BIND - we are using the Linode nameservers.

There is conflicting information on forums about whether you still need to have port 53 open on your server or not, to enable it to resolve other addresses.


Can I close 53 - or does it need to be open on any of the protocols?

Cheers
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Nuvini
PostPosted: Wed Feb 12, 2014 8:03 am 
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Joined: Fri Feb 17, 2012 8:20 pm
Posts: 365
You need to allow out, not IN.
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