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    Uber techy question about DL2640, Static DNS, and Firewalls.

    This is a discussion on Uber techy question about DL2640, Static DNS, and Firewalls. within the Technical discussion forums, part of the Broadband Technical Help category; Hullo! This is my first post, but I've used your combined knowledge to do everything I wanted to do with ...

    1. #1
      Dire's Avatar
      Dire is offline Sky User Member
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      Uber techy question about DL2640, Static DNS, and Firewalls.

      Hullo! This is my first post, but I've used your combined knowledge to do everything I wanted to do with my router - except one persistent problem.

      I wanted a static DNS server (Unblock - US) due to an issue with PS3's Netflix app using it's own DNS and not picking up my "new" Netflix regions.

      So I:

      • Enabled TELNET
      • Used Putty to set dns static 208.122.22.23 203.122.23.
      • And it works a treat!


      Next I have to block my PS3's IP address from accessing a DNS server of it's own,

      • I set a firewall rule (DNS) for the IP address (static) of my PS3, and block all WAN addresses from using post 53


      The problem is that any device that was using DHCP for DNS can't connect, only by setting static DNS servers on each of the devices do I get them to connect. There are no firewall logs from any other devices but the PS3.

      My question is, was is a) my dns static setup, or b) a goofy firewall setting that has screwed this up?

      Any help would be awesome!




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    3. #2
      dragon2611's Avatar
      dragon2611 is offline Sky User Member
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      Re: Uber techy question about DL2640, Static DNS, and Firewalls.

      What are the DHCP clients getting as their DNS server?

      If it's the router is the DNS forwarder (Possibly dnsmasq) actually running?

    4. #3
      Dire's Avatar
      Dire is offline Sky User Member
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      Re: Uber techy question about DL2640, Static DNS, and Firewalls.

      Quote Originally Posted by dragon2611 View Post
      What are the DHCP clients getting as their DNS server?

      If it's the router is the DNS forwarder (Possibly dnsmasq) actually running?
      Yeah, with the firewall settings for the PS3 removed all the DHCP clients get their DNS from the servers I set up via Telnet.

      The answer seems to be that the firewall is rubbish.

    5. #4
      dragon2611's Avatar
      dragon2611 is offline Sky User Member
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      Re: Uber techy question about DL2640, Static DNS, and Firewalls.

      Quote Originally Posted by Dire View Post
      Yeah, with the firewall settings for the PS3 removed all the DHCP clients get their DNS from the servers I set up via Telnet.

      The answer seems to be that the firewall is rubbish.
      It's the reason I like UBNT Edge router Lite or the Routerboards so much, for such cheap devices they're so configurable.

      Steep learning curve mind.


     

     

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