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    Alternative DNS Servers - no filter/censorship (buydomains.com problem)

    Scheduled Pinned Locked Moved General pfSense Questions
    72 Posts 11 Posters 15.7k Views
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    • T
      Trel
      last edited by

      @kejianshi:

      1st Man on the side attack where you someone listening passively on the side does packet injection and spoofs a DNS response faster than the real DNS server.  They send you to their fake server loaded with forged certs and forged websites that look like the real thing.  (Thats the really evil version) or perhaps they just redirect you to some BS crap shopping site.

      Wonder if that was the case with this one: https://forum.pfsense.org/index.php?topic=87491.0

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      • K
        kejianshi
        last edited by

        No idea - maybe.

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        • M
          MrGlasspoole
          last edited by

          Ok, i made some screen shoots of the settings i have now.

          @kejianshi
          I'm still not sure about the gateway.
          You said pointing to the modem is how grandmother did it: https://forum.pfsense.org/index.php?topic=87678.msg483085#msg483085
          But then you said: "Don't mess with the gateways".

          And to make sure i get it right: With this settings i get name resolving directly from the 13 Root-Nameservers (Anycast aside)?
          If thats the case then why everywhere are this alternative DNS server lists and why is this not the default in routers from ISPs?

          I guess i change the title of this thread - maybe it helps others.

          Interfaces---LAN.png
          Interfaces---LAN.png_thumb
          Interfaces---WAN.png
          Interfaces---WAN.png_thumb
          Services---DNS-Resolver.png
          Services---DNS-Resolver.png_thumb
          Services---DNS-Resolver---Advanced.png
          Services---DNS-Resolver---Advanced.png_thumb
          System---Gateways---Edit-gateway.png
          System---Gateways---Edit-gateway.png_thumb
          System---General-Setup.png
          System---General-Setup.png_thumb

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          • DerelictD
            Derelict LAYER 8 Netgate
            last edited by

            Name servers that return a bullshit IP address instead of NXDOMAIN for A records that don't exist are an abomination.

            I will be switching over to a resolver-based configuration this weekend now that I'm on 2.2.

            Chattanooga, Tennessee, USA
            A comprehensive network diagram is worth 10,000 words and 15 conference calls.
            DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
            Do Not Chat For Help! NO_WAN_EGRESS(TM)

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            • johnpozJ
              johnpoz LAYER 8 Global Moderator
              last edited by

              well your resolver is on all all, which is not how I would set it up.

              Resolver should only listen on your lan port, and should only talk to other dns on your wan.

              And don't see how you expect pfsense to resolve anything - so its not going to be able to check for updates..

              An intelligent man is sometimes forced to be drunk to spend time with his fools
              If you get confused: Listen to the Music Play
              Please don't Chat/PM me for help, unless mod related
              SG-4860 24.11 | Lab VMs 2.8, 24.11

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              • K
                kejianshi
                last edited by

                You could deselect WAN without hurting anything or you could just not open port 53 on WAN…  Either way.  (P.S. Its not open) 
                It should work and resolve just fine the way you have it here.

                Easy way to check if your system is resolving and if you can get updates is to go to the main pfsense gui and see if it show "you are on current version"

                If it does, your pfsense is resolving fine for its self and probably for all the other machines on the LAN.

                Now, go to https://www.dnsleaktest.com/ and see how many resolvers show up.

                Hopefully its like...1

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                • M
                  MrGlasspoole
                  last edited by

                  Selecting just LAN on "Network Interfaces" and "Outgoing Network Interfaces" gives the error:
                  This system is configured to use the DNS Resolver as its DNS server, so Localhost or All must be selected in Network Interfaces.

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                  • K
                    kejianshi
                    last edited by

                    Select all.  Port 53 is closed on the WAN.  No issues there.

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                    • M
                      MrGlasspoole
                      last edited by

                      Now only the gateway question is still open :)

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                      • johnpozJ
                        johnpoz LAYER 8 Global Moderator
                        last edited by

                        Then select both lan and localhost ;)  ALL is BAD practice!!

                        Here is mine

                        setupdnsresolver.png
                        setupdnsresolver.png_thumb

                        An intelligent man is sometimes forced to be drunk to spend time with his fools
                        If you get confused: Listen to the Music Play
                        Please don't Chat/PM me for help, unless mod related
                        SG-4860 24.11 | Lab VMs 2.8, 24.11

                        1 Reply Last reply Reply Quote 0
                        • K
                          kejianshi
                          last edited by

                          I wouldn't screw with the gateway…  unless you are in the mood to upgrade to a ISP/Modem combo that gets you a public IP on the pfsense wan?

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                          • K
                            kejianshi
                            last edited by

                            Not sure if you know, but you select individual interfaces by holding the cntl key while clicking on the ones you want.

                            What johnpoz is saying is best - I was trying to keep it simple…

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                            • M
                              MrGlasspoole
                              last edited by

                              @kejianshi:

                              Not sure if you know, but you select individual interfaces by holding the cntl key while clicking on the ones you want.

                              I know that :-) - My computer knowledge is good but pfSense is overwhelming :-)

                              So the important part here is that on "Network Interfaces" you just have the internal and
                              on "Outgoing Network Interfaces" the external stuff?

                              Gateway:
                              I did check my ISP router and i have the bridge option now.
                              I made the hack a year ago and the option was not there - seems like after
                              some firmware update it changed.
                              I have a warning "from manufacture not supported change".

                              So i can select LAN2 as bridged.
                              But if i do that and connect my pfSense WAN NIC to LAN2 i can not reach the router anymore with 10.0.0.1.

                              What changes do i need to make in pfSense to test it?
                              I guess in "Interfaces > WAN" and "System > Routing > Gateways"

                              1 Reply Last reply Reply Quote 0
                              • DerelictD
                                Derelict LAYER 8 Netgate
                                last edited by

                                Is your WAN DHCP or PPPoE?

                                (Or Static?)

                                Chattanooga, Tennessee, USA
                                A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                                DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                                Do Not Chat For Help! NO_WAN_EGRESS(TM)

                                1 Reply Last reply Reply Quote 0
                                • DerelictD
                                  Derelict LAYER 8 Netgate
                                  last edited by

                                  Wait.  If you select bridged your router is no longer a router so you might not be able to get to it any more at all and, frankly, who cares?

                                  Chattanooga, Tennessee, USA
                                  A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                                  DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                                  Do Not Chat For Help! NO_WAN_EGRESS(TM)

                                  1 Reply Last reply Reply Quote 0
                                  • M
                                    MrGlasspoole
                                    last edited by

                                    @Derelict:

                                    Is your WAN DHCP or PPPoE?
                                    (Or Static?)

                                    Static - pictures of WAN and gateway settings are ad top of this page  :)

                                    @Derelict:

                                    Wait.  If you select bridged your router is no longer a router so you might not be able to get to it any more at all and, frankly, who cares?

                                    I care cause the phone book, caller list, fax stuff and everything is handled by that box.
                                    There are two phones connected to that box. You can't use dedicated VoIP phones with german
                                    cable ISPs (VoC) cause they don't work. They don't give you the access data and it only works from
                                    your box in your house (not like normal VoIP).

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                                    • K
                                      kejianshi
                                      last edited by

                                      Yes - I call it built in BS and multifunction trash designed to purposely remove your options.  Very familiar with the concept.

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                                      • H
                                        hda
                                        last edited by

                                        @MrGlasspoole:

                                        @Derelict:

                                        Is your WAN DHCP or PPPoE?
                                        (Or Static?)

                                        Static - pictures of WAN and gateway settings are ad top of this page  :)

                                        Meh, what is your connection protocol to your ISP ….

                                        You should get your public IP on WAN if bridged works or is supported at all, which you must test.
                                        Close your firewall WAN inbound vulnerabilities first.

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                                        • M
                                          MrGlasspoole
                                          last edited by

                                          @hda:

                                          Meh, what is your connection protocol to your ISP ….

                                          What do you mean by protocol?
                                          It's DOCSIS, IPv4…

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                                          • DerelictD
                                            Derelict LAYER 8 Netgate
                                            last edited by

                                            Static - pictures of WAN and gateway settings are ad top of this page  :)

                                            At the top of what page?

                                            Forum users can set how many messages per page are shown.

                                            Please provide a link to the exact post or attach it again.  Thanks.

                                            Chattanooga, Tennessee, USA
                                            A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                                            DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                                            Do Not Chat For Help! NO_WAN_EGRESS(TM)

                                            1 Reply Last reply Reply Quote 0
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