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damji98
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Posts: 2
Joined: Sat Aug 30, 2014 9:29 pm

DNS - Ubuntu Bind Port Forwarding

Mon Feb 15, 2016 9:13 pm

I have Mikrotik CCR 001 which is supplying internet to all my clients, then I have a second CCR 002 which is for my internal equipments use i.e graphs, mails, web etc. I have setup Ubuntu BIND DNS caching and forwarding, I want all my customers on CCR 001 to use the DNS Server behind the CCR 002.

Once everything is setup, it only works within my 002 Network! From outside port 53 shows closed (http://www.yougetsignal.com/tools/open-ports/)

Please assist, below is my:

chain=dstnat action=dst-nat to-addresses=PRIVATE IP protocol=udp
dst-address=PUBLIC IP dst-port=53 log=yes log-prefix=""
 
kiaunel
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Posts: 211
Joined: Mon Jul 21, 2014 7:59 pm
Location: Romania

Re: DNS - Ubuntu Bind Port Forwarding

Mon Feb 15, 2016 10:06 pm

Move firewall rule to ccr02 becouse your clients request are not passing to your wan but from your clients lan to wan of ccr02 and to dns server

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