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    some websites are being blocked not sure what i got miss configured

    Scheduled Pinned Locked Moved General pfSense Questions
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    • C
      comet424 @comet424
      last edited by comet424

      the nslook up worked this time... for elegoo but i cant access still from my desktop pc
      from either a vpn or wan client
      pf10.PNG

      canada computers NS look up works.. but ping doesnt and neither wan or vpn clients cant ping or websites work

      pf11.PNG

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      • C
        comet424 @comet424
        last edited by

        so i rebooted both computers i testing on and results are

        VPN Client
        Canada computers site works
        elegoo website doesnt work

        Wan Client
        Canada Computers site doesnt work
        elegoo website doesnt work

        so i not sure where i messed up things ? in my rules or what not

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        • stephenw10S
          stephenw10 Netgate Administrator
          last edited by

          Hmm, well that's not good! What are those DNS servers? What do you have configured for DNS on the firewall? The default Unbound in resolving mode?

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            comet424 @stephenw10
            last edited by

            @stephenw10 those ones are the nord vpn ones

            from above my orginal screen shots where i dunno why they do a none for the the 2nd dns i not sure why you do a none?

            i even tried a ppoe on the 2nd dns that didnt work

            if i added a 1.1.1.1 to the wan pppoe it buggers up my secure nord vpn where i dunno why as i figured if you specifiy general setup the dns if the 2 nord vpn dns are for the vpns and the 1.1.1.1 is for the pppoe then it be fine i dunno

            and as for the dns on my firewall do you mean the dns resolver? if so here is a screen shot.. if not youd have to explain what id need to chec... and what is my default unbound resolving mode? i not sure?? where i find that?
            dns resolver.PNG

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            • stephenw10S
              stephenw10 Netgate Administrator
              last edited by

              Yeah I would expect to need both those servers set via the VPN WAN. They are probably only accessible over the VPN.

              Are you passing DNS servers to the internal clients specifically via DHCP? BY default the pfSense interface IP is sent so clients would use Unbound in pfSense. But that means if pfSense can resolve elegoo.com then clients using it should. So that fact they cannot implies something is different.

              The fact canadacomputers.com doesn't respond to ping is not an error. It should still respond to http/s.

              This is probably failing because DNS requests are leaving over the VPN and https requests are not resulting in a mismatch. The same reason Netflix fails when requests don't match the DNS server locations.
              When you use only the VPN providers DNS servers all traffic has to use the VPN to prevent that mismatch.

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                comet424 @stephenw10
                last edited by comet424

                @stephenw10 so
                under the dhcp server lan i point the gateway and dns to 192.168.0.1

                and then the route policy bypass you or john told me to setup was to be able to get the vpn and wans to work properly a while back

                ya like in the tutorial for nordvpn they set it up 2 dns servers under general setup 1 they setup to the nordvpn openvpn connection and they set the other one to none

                now i dont know why you set it to none??? but you do... i have tried putting that dns for the the pppope wan port but that didnt help... and if i set it to 1.1.1.1 then it makes my nordvpn unsecure leaking so defeated the purpose the vpn

                but ya i set it to 192.168.0.1 and the only thing thats different is the host over ride where it points to 192.168.0.32 which is my lancache and that just goes out 1.1.1.1 and i tried my dns but that didnt solve the 2 websites and i sure its not only these 2 websites ...

                so can it be fixed you think? or what not or is there another page in pfsense i can screen shot for ya

                its probably 1 little thing that is conflicting thats screwing up for everbody as it goes lol

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                  comet424 @comet424
                  last edited by

                  or would the best be which i havent finished i did a Vlan DMZ

                  so LAN Be VPN and DMZ would be the WAN

                  would that solve the issues instead of that route policy bypass and the dns issue i having

                  where the vpn be secure and the dmz would be the gaming computer would be on the wan still point to 192.168.0.1 so that the lancache would still work but would go out the wan no issues

                  or would i still be running into issues?

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                    comet424 @comet424
                    last edited by

                    and like now the

                    elegoo .com works on the WAN PC but the canada computers website doesnt

                    but both are working now on the the VPN its very strange... and i havent touched nothing on pfsense i just been letting it idle from your last reply

                    does that mean anything?

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                    • C
                      comet424 @comet424
                      last edited by comet424

                      and now the WAN computer the elegoo webpage doesnt work like its something thats turning on and off thats making it work and then not work...

                      like how come not all websites just dont fail... or all work i know you mentioned about netflix but like the issue i having its up and then its down like frig it needs a kick in the butt lol

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                      • stephenw10S
                        stephenw10 Netgate Administrator
                        last edited by

                        Try setting external DNS servers manually on a client that's using the WAN directly and restest. So maybe use 8.8.8.8/8.8.4.4.

                        If the Lancache server is already set manually to use 1.1.1.1 try to connect from there.

                        This is almost certainly a DNS issue IMO.

                        The only other thing it could really be is some sort of MTU problem but that would only likely apply when connecting via the VPN.

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                          comet424 @stephenw10
                          last edited by

                          @stephenw10
                          so setting to 8.8.8.8 8.8.4.4 and connecting to elegoo and canada computers both works fine.. on the WAN PC no issues

                          i tried setting the the WAN PC to 192.168.0.33 which is the lancache DNS server for the lancache server at 192.168.0.32
                          both are currently working that way too..

                          but at 192.168.0.1 nope fails on both elegoo works for a few minutes but fails after a bit and canada computers doesnt wanna work period

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                          • stephenw10S
                            stephenw10 Netgate Administrator
                            last edited by

                            Ok it sounds like something is filtering that in Unbound then. Pretty much has to be DNS-BL in pfBlocker.

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                              comet424 @stephenw10
                              last edited by

                              @stephenw10 here is the screen shots of the dns bl
                              and ill try disabling the pfblocker to see if that will fix it?

                              dns1.PNG dns2.PNG dns3.PNG dns4.PNG dns5.PNG

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                                comet424 @comet424
                                last edited by comet424

                                so disabling pfblocker and letting it sit 10 minutes the WAN computer can not still access either of the 2 websites... still cant ping them or goto the webpage

                                ping1.PNG

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                                • stephenw10S
                                  stephenw10 Netgate Administrator
                                  last edited by

                                  Can pfSense resolve both URLs correctly?

                                  canadacomputers.com does not respond to ping so that will always fail. You need to try a TCP test on port 443. You can do that in pfSense using Diag > Test Port.
                                  Or from a client using curl or telnet like:

                                  steve@steve-NUC9i9QNX:~$ telnet canadacomputers.com 443
                                  Trying 52.233.38.251...
                                  Connected to canadacomputers.com.
                                  
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                                    comet424 @stephenw10
                                    last edited by

                                    @stephenw10
                                    so on the wan computer
                                    caanada computers site will not work in the browser.... now the elegoo website it wont work then it will at at moment say maybe min or 2 part of the website works then it goes to page cant be found or what not... then might come back.. same like i mentioned ifi reboot pfsense typically both sites work then they stop working within 5 min or canada computer site wont work period but the elegoo will work for about 5 min after a pfsense reboot but then goes down

                                    tcp tool1.PNG tcp tool2.PNG

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                                    • stephenw10S
                                      stephenw10 Netgate Administrator
                                      last edited by

                                      Ok check the states when that is failing. Is it sending traffic out of the WAN correctly?

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                                        comet424 @stephenw10
                                        last edited by

                                        @stephenw10 here is the states for the canada computers when it fails... i tried to find the ip for elegoo.com website but i couldnt find it so i couldnt do screen shot

                                        states 1.PNG

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                                        • stephenw10S
                                          stephenw10 Netgate Administrator
                                          last edited by

                                          Hmm, I note canadacomputers.com resolves to a completely different IP address for me. Does it resolve to that against 8.8.8.8 for example?

                                          If not then there's something odd with the VPN DNS servers I'd suggest.

                                          steve@steve-NUC9i9QNX:~$ dig +short @103.86.99.100 canadacomputers.com
                                          52.233.38.251
                                          steve@steve-NUC9i9QNX:~$ dig +short @103.86.96.100 canadacomputers.com
                                          52.233.38.251
                                          steve@steve-NUC9i9QNX:~$ dig +short @8.8.8.8 canadacomputers.com
                                          52.233.38.251
                                          
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                                            comet424 @stephenw10
                                            last edited by

                                            @stephenw10 so i got

                                            dig.PNG

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