Netgear LPC not blocking anything.

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tskimball

March 18, 2014 01:30

Have a Netgear WNR2000v3 router, 1.1.2.10 firmware. Netgear LPC management utility shows it is enabled and have filtering set to "High" but nothing gets blocked. What am I missing?

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  rotblitz March 18, 2014 07:51

  Post the complete plain text output of the following command:

  nslookup -type=txt debug.opendns.com.

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  tskimball March 18, 2014 21:53

  DNS request timed out.
      timeout was 2 seconds.
  Server:  UnKnown
  Address:  208.67.222.222
  
  *** UnKnown can't find debug.opendns.com: Non-existent domain

   

  Doesn't look good... not sure what it means, though. :)

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  rotblitz March 19, 2014 10:39

  Netgear LPC prevents you from using 3rd party DNS services on the end devices.  It seems you have configured your computer to use OpenDNS, but must configure it to use your router.   Best is to set it to "Obtain DNS server addresses automatically".

  Another problem could be that your ISP is redirecting your DNS queries to their own DNS service.   This can be checked only if LPC is disabled with the command:

  nslookup -type=txt which.opendns.com. 208.67.220.220

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  tskimball March 20, 2014 02:14

  Server:  resolver2.opendns.com
  Address:  208.67.220.220
  
  Non-authoritative answer:
  which.opendns.com       text =
  
          "I am not an OpenDNS resolver."
  
  opendns.com     nameserver = auth3.opendns.com
  opendns.com     nameserver = auth1.opendns.com
  opendns.com     nameserver = auth2.opendns.com
  auth3.opendns.com       internet address = 208.69.39.2
  auth1.opendns.com       internet address = 208.69.39.2
  auth2.opendns.com       internet address = 67.215.92.66

  Setup my network connection to obtain all addresses automatically and disabled LPC. Care to translate for me? Appreciate your help thus far.

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  rotblitz March 20, 2014 13:46

  Sad to say, but your ISP is clearly redirecting your DNS queries to their own DNS service.  There is no way to use Netgear LPC or normal OpenDNS under these circumstances. You had to contact your ISP to see if you can opt out of this DNS redirection.

  Whatever, you may still be able to use normal OpenDNS (without Netgear LPC) by utilizing DNSCrypt (http://dnscrypt.org/).

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