Port Forwarding Behind Router

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paulb787
Posts: 16
Joined: Thu May 30, 2013 3:59 pm

Port Forwarding Behind Router

Post by paulb787 » Tue Jun 04, 2013 8:58 am

Ok so I have a strange problem here.

I have the ooma behind my router and I want to forward ports UDP 53, UDP 123, UDP 514, UDP 1194,UDP 3386, UDP 3480, UDP 10000-30000, TCP 110, TCP 53 and TCP 443 in my router settings. however I notice after setting it up I lost my internet.
weird..

I narrowed it down to port 53 ? why is it I can not forward port 53 and keep a working internet connection?

thunderbird
Posts: 6388
Joined: Mon Nov 08, 2010 4:41 pm

Re: Port Forwarding Behind Router

Post by thunderbird » Tue Jun 04, 2013 9:11 am

paulb787 wrote:Ok so I have a strange problem here.

I have the ooma behind my router and I want to forward ports UDP 53, UDP 123, UDP 514, UDP 1194,UDP 3386, UDP 3480, UDP 10000-30000, TCP 110, TCP 53 and TCP 443 in my router settings. however I notice after setting it up I lost my internet.
weird..

I narrowed it down to port 53 ? why is it I can not forward port 53 and keep a working internet connection?
In my router, I have to do some magic with my Web Filter to be able to use port 53. But on the other hand, I found that I didn't need port 53 for the Ooma device to operate properly.

I'm thinking that some time back, Ooma decided to use another port, instead of port 53???

dknyinva
Posts: 268
Joined: Sat Feb 07, 2009 7:21 am
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Re: Port Forwarding Behind Router

Post by dknyinva » Tue Jun 04, 2013 2:03 pm

Port 53 is used for DNS. DNS allows you to lookup domain name on the Internet as apposed to an IP address. Ooma uses those ports for outbound traffic NOT inbound traffic. Meaning you shouldn't be using port forward at all, but configure your router to allow those ports open for outbound traffic.

Good Luck

paulb787
Posts: 16
Joined: Thu May 30, 2013 3:59 pm

Re: Port Forwarding Behind Router

Post by paulb787 » Tue Jun 04, 2013 7:20 pm

makes absolute sense. thnx

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