Huawei B593 and Apple Airport Extreme but no OpenDNS cover

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3 comments

  • Avatar
    rotblitz

    That is the disadvantage of most mobile network providers, in comparision with DSL.  These ISP's assign you a private IP address almost out of the RFC-1918 ranges or put you behind a proxy. Therefore you neither can reach your network from outside, nor you can use at least the enhanced features of OpenDNS like content filtering and stats.

    "I checked with the OpenDNS site and and the GRC Shields UP site and both gave me a IP address beginning 85.76.xxx.xx."

    Yes, this is what the internet sees from you, but this is not your ISP assigned IP address. You can see this only on the status page of your modem, not at any website.

    "I tried using the OpenDNS updater but was told that my IP was unavailable....   So if both of them can see this why cannot the OpenDNS Updater?"

    The Updater can see it, but the update attempt results in "IP not available" for updates, because this is a shared IP address of your ISP, not yours, used by many other users, so OpenDNS prevented it from being able to be added to a network.

    "So I am at a loss here to understand what I can do."

    Essentially nothing with this kind of internet connection.  You may still be able to use pure DNS, e.g. via DNSCrypt Proxy and then also to use a FamilyShield OpenDNS address for some content filtering, but that's it.

    Post the complete plain text output of the following commands here, so that I can see what options you have if any:

    nslookup -type=txt which.opendns.com. 208.67.220.220
    nslookup -type=txt -port=443 which.opendns.com. 208.67.220.220
    nslookup -type=txt -port=443 -vc which.opendns.com. 208.67.220.220
    nslookup -type=txt -port=5353 which.opendns.com. 208.67.220.220
    nslookup -type=txt -port=5353 -vc which.opendns.com. 208.67.220.220

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    jheeb

    Thanks rotblitz for getting back to me so fast.  Here are the answers to the commands you asked for.  I hope that they help.  

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

    Server: 208.67.220.220
    Address: 208.67.220.220#53

    Non-authoritative answer:
    which.opendns.com text = "1.cph"

    Authoritative answers can be found from:

     

    nslookup -type=txt -port=443 which.opendns.com. 208.67.220.220

    Server: 208.67.220.220
    Address: 208.67.220.220#443

    Non-authoritative answer:
    which.opendns.com text = "1.cph"

    Authoritative answers can be found from:

     

    nslookup -type=txt -port=443 -vc which.opendns.com. 208.67.220.220

    Server: 208.67.220.220
    Address: 208.67.220.220#443

    Non-authoritative answer:
    which.opendns.com text = "3.cph"

    Authoritative answers can be found from:

     

    nslookup -type=txt -port=5353 which.opendns.com. 208.67.220.220

    Server: 208.67.220.220
    Address: 208.67.220.220#5353

    Non-authoritative answer:
    which.opendns.com text = "3.cph"

    Authoritative answers can be found from:

     

    nslookup -type=txt -port=5353 -vc which.opendns.com. 208.67.220.220

    Server: 208.67.220.220
    Address: 208.67.220.220#5353

    Non-authoritative answer:
    which.opendns.com text = "3.cph"

    Authoritative answers can be found from:

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  • Avatar
    rotblitz

    This looks good. You can use OpenDNS (at least for pure DNS), and you are routed to the OpenDNS location Copenhagen. Your ISP does at least not hi-jack your DNS traffic.

    If you can't configure the OpenDNS resolver addresses on the router, you can configure them on the computer and other devices. If you want some adult content filtering, you can use the OpenDNS FamilyShield addresses. You cannot use any options or settings of your dashboard, because you cannot register your IP address with your network which would be required for your settings taking effect.

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