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    DNS Resolver Host Override not working in Windows

    Scheduled Pinned Locked Moved DHCP and DNS
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    • johnpozJ
      johnpoz LAYER 8 Global Moderator
      last edited by johnpoz

      If you were asking pfsense for its own name which is what the 192.168.100.2 is then it would be answering.

      Yes a VPN policy route rule could keep it from talking to pfsense - please post up your lan rules, do you have any floating rules. Your not doing any port forwards on your lan interface are you?

      Logging in unbound will show us that it actually got asked... For example

      Apr 30 13:34:05 	unbound 	42007:1 	info: 192.168.9.100 aaa.testdomain.com. A IN NOERROR 0.000000 1 63
      Apr 30 13:34:05 	unbound 	42007:1 	info: 192.168.9.100 aaa.testdomain.com. A IN 
      

      here is where I asked for aaa.testdomain.com who asked 192.168.9.100, and that it was answered..

      My guess is your not asking unbound on pfsense at all, or its totally borked. Did you mess with the ACLs?

      My guess is your redirecting to something other than pfsense for dns.

      BTW, I am new to pfsense, and I am not a network guru...

      hehe - don't worry that pretty clear from the get go ;) hehehehe

      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 2.7.2, 24.11

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      • S
        shawn8888
        last edited by shawn8888

        Firewall Floating rules is empty.
        How do I post my lan rules?
        NAT/Port Forwarding:
        YES! I do a lot NAT to route the traffic on WAN, but nothing on LAN interface, and nothing about 53 port to mess up the DNS.

        The logs at "Status/System Logs/System/DNS Resolver" are massive but doesn't show anything when do nslookup in windows.

        Not sure what ACLs is. Guess I am not using it.

        Also, I can browse Internet on this Windows box without any problems. So some DNS must be working...

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        • johnpozJ
          johnpoz LAYER 8 Global Moderator
          last edited by johnpoz

          @shawn8888 said in DNS Resolver Host Override not working in Windows:

          How do I post my lan rules?

          Simple screenshot works best..
          lanrules.png

          So are you logs over flowing? Turn the logging down back to 1 and just leave in my

          server:
          log-queries: yes
          log-replies: yes
          

          In the custom option box.. you should then see the queries your clients are asking for... If your NOT... then unbound is not being asked - for whatever reason that is... pfsense is no actually 192.168.100.2 - there is a different 192.168.100.2 on your network? You have some rule forcing dns out some other path, etc. etc.

          But if unbound doesn't actually get asked, then its not possible for it to return your overrides.

          So some DNS must be working...

          Doesn't have to be pfsense, could be proxy your using as well..

          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 2.7.2, 24.11

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          • S
            shawn8888
            last edited by

            OK, Here is the LAN rules:
            LAN.Rules.png

            DNS Resolver -> Display Custom Options
            I input the code below as you requested:

            server:
            log-queries: yes
            log-replies: yes
            

            So I went to pfSense Diagnostics -> dns lookup
            And I got this in my log:

            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 . NS IN
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 . NS IN NOERROR 0.000000 1 228
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com. A IN
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com. A IN NOERROR 0.000000 1 50
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com. AAAA IN
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com. AAAA IN NOERROR 0.000000 1 34
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com.phub.net.cable.rogers.com. AAAA IN
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com.phub.net.cable.rogers.com. AAAA IN NXDOMAIN 0.000000 1 121
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com. CNAME IN
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com. CNAME IN NOERROR 0.000000 1 34
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com.phub.net.cable.rogers.com. CNAME IN
            Apr 30 15:22:45 	unbound 	83793:0 	info: 127.0.0.1 www.facebook.com.phub.net.cable.rogers.com. CNAME IN NXDOMAIN 0.000000 1 121 
            

            However, when I do nslookup in Windows, I got nothing!

            But I can ping 192.168.100.2.

            c:\>ping 192.168.100.2
            
            Pinging 192.168.100.2 with 32 bytes of data:
            Reply from 192.168.100.2: bytes=32 time<1ms TTL=64
            Reply from 192.168.100.2: bytes=32 time<1ms TTL=64
            Reply from 192.168.100.2: bytes=32 time<1ms TTL=64
            Reply from 192.168.100.2: bytes=32 time<1ms TTL=64
            
            Ping statistics for 192.168.100.2:
                Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
            Approximate round trip times in milli-seconds:
                Minimum = 0ms, Maximum = 0ms, Average = 0ms
            
            

            Any other ideas?

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            • johnpozJ
              johnpoz LAYER 8 Global Moderator
              last edited by johnpoz

              well if unbound is not showing you that it got asked, then it didn't get asked.

              How exactly is this box your doing the queries from connected to pfsense that is on 192.168.100.2?

              Look in your windows arp table on windows - the mac is pfsense mac?

              example

              $ arp -a
              
              Interface: 192.168.9.100 --- 0x10
                Internet Address      Physical Address      Type
                192.168.9.3           00-08-a2-0c-e6-24     dynamic
                192.168.9.10          00-11-32-7b-29-7d     dynamic
                192.168.9.11          00-11-32-7b-29-7e     dynamic
                192.168.9.65          02-11-32-29-00-3b     dynamic
                192.168.9.99          70-6e-6d-f3-11-93     dynamic
                192.168.9.101         00-13-3b-2f-67-63     dynamic
                192.168.9.201         00-13-3b-2f-67-63     dynamic
                192.168.9.206         00-21-70-7b-a9-a7     dynamic
                192.168.9.253         00-08-a2-0c-e6-24     dynamic
              

              My pfsense is that .253 -- and that is its mac..

              look on your status interfaces page

              LAN Interface (lan, igb0)
              Status     up
              MAC Address     00:08:a2:0c:e6:24 - ADI Engineering
              IPv4 Address     192.168.9.253
              Subnet mask IPv4     255.255.255.0
              

              If that shows valid - you sure yoru box is not running something that is hijacking your dns queries..

              Run a sniff on your box when you dns query.. Wireshark is free and easy to use - install it on your windows machine... Do some nslookups like you were doing and then post up the pcap so we can take a look..

              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 2.7.2, 24.11

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              • S
                shawn8888
                last edited by

                Here is the arp. I have installed vmware workstation, so there are some v-NICs

                c:\>arp -a
                
                Interface: 192.168.193.1 --- 0x4
                  Internet Address      Physical Address      Type
                  192.168.193.254       00-50-56-f8-2e-d8     dynamic
                  192.168.193.255       ff-ff-ff-ff-ff-ff     static
                  224.0.0.2             01-00-5e-00-00-02     static
                  224.0.0.22            01-00-5e-00-00-16     static
                  224.0.0.251           01-00-5e-00-00-fb     static
                  224.0.0.252           01-00-5e-00-00-fc     static
                  230.0.0.1             01-00-5e-00-00-01     static
                  234.48.35.103         01-00-5e-30-23-67     static
                  239.192.152.143       01-00-5e-40-98-8f     static
                  239.255.255.250       01-00-5e-7f-ff-fa     static
                  255.255.255.255       ff-ff-ff-ff-ff-ff     static
                
                Interface: 192.168.100.100 --- 0x7
                  Internet Address      Physical Address      Type
                  192.168.100.1         c0-c1-c0-7d-dd-22     dynamic
                  192.168.100.2         00-50-56-9a-31-cd     dynamic
                  192.168.100.3         94-0c-6d-1b-08-8e     dynamic
                  192.168.100.52        a4-e4-b8-6c-55-b4     dynamic
                  192.168.100.103       74-d4-35-07-1f-b5     dynamic
                  192.168.100.140       00-0c-29-a9-96-19     dynamic
                  192.168.100.150       18-03-73-cf-7e-1e     dynamic
                  192.168.100.151       00-0c-29-13-e6-79     dynamic
                  192.168.100.155       00-11-32-2c-a6-03     dynamic
                  192.168.100.190       00-0c-29-82-d9-11     dynamic
                  192.168.100.255       ff-ff-ff-ff-ff-ff     static
                  224.0.0.2             01-00-5e-00-00-02     static
                  224.0.0.22            01-00-5e-00-00-16     static
                  224.0.0.251           01-00-5e-00-00-fb     static
                  224.0.0.252           01-00-5e-00-00-fc     static
                  230.0.0.1             01-00-5e-00-00-01     static
                  234.48.35.103         01-00-5e-30-23-67     static
                  239.192.152.143       01-00-5e-40-98-8f     static
                  239.255.255.250       01-00-5e-7f-ff-fa     static
                  255.255.255.255       ff-ff-ff-ff-ff-ff     static
                
                Interface: 169.254.54.84 --- 0x12
                  Internet Address      Physical Address      Type
                  169.254.255.255       ff-ff-ff-ff-ff-ff     static
                  224.0.0.2             01-00-5e-00-00-02     static
                  224.0.0.22            01-00-5e-00-00-16     static
                  224.0.0.251           01-00-5e-00-00-fb     static
                  224.0.0.252           01-00-5e-00-00-fc     static
                  230.0.0.1             01-00-5e-00-00-01     static
                  234.48.35.103         01-00-5e-30-23-67     static
                  239.192.152.143       01-00-5e-40-98-8f     static
                  239.255.255.250       01-00-5e-7f-ff-fa     static
                  255.255.255.255       ff-ff-ff-ff-ff-ff     static
                
                c:\>
                

                My pfsense runs on a ESXi host as a VM. And the MAC is 00-50-56-9a-31-cd, which seems correct.

                LAN.Mac.png

                I have never tried Wireshark before and I will post the log as soon as I can.

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                • S
                  shawn8888
                  last edited by shawn8888

                  Here is some log from Wireshark when I did a

                  c:\>nslookup www.facebook.com
                  Server:  UnKnown
                  Address:  192.168.100.2
                  
                  Non-authoritative answer:
                  Name:    star-mini.c10r.facebook.com
                  Addresses:  2a03:2880:f105:83:face:b00c:0:25de
                            157.240.12.35
                  Aliases:  www.facebook.com
                  
                  

                  mydns.zip

                  From the log, I can read that my Windows (100.100) DID talk to pfsense (100.2), but not handled by unbound.

                  One more thing to mention, I did install BIND for some testing before, but it is disabled, same with DNS forwarder. Only DNS Resolver is enabled right now.

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                  • KOMK
                    KOM
                    last edited by

                    OK, you're definitely talking to pfsense for DNS. You queried it for www.facebook.com and it returned a result for both IPv4 and IPv6. Did you add the host override for www.facebook.com?

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                    • S
                      shawn8888 @KOM
                      last edited by shawn8888

                      @KOM
                      Yes!
                      dns1.png

                      And for testing and fun, I disabled DNS resolver and run nslookup in Windows, and still able to resolve. Does that make any sense?

                      c:\>ipconfig /flushdns
                      
                      Windows IP Configuration
                      
                      Successfully flushed the DNS Resolver Cache.
                      
                      c:\>nslookup www.facebook.com
                      Server:  UnKnown
                      Address:  192.168.100.2
                      
                      Non-authoritative answer:
                      Name:    star-mini.c10r.facebook.com
                      Addresses:  2a03:2880:f10e:83:face:b00c:0:25de
                                157.240.14.35
                      Aliases:  www.facebook.com
                      
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                      • johnpozJ
                        johnpoz LAYER 8 Global Moderator
                        last edited by johnpoz

                        So you have something else listening on 53 on pfsense then and not unbound..

                        lets see what is listening on 53

                        [2.4.4-RELEASE][admin@sg4860.local.lan]/: sockstat | grep :53
                        unbound  unbound    42007 3  udp4   192.168.3.253:53      *:*
                        unbound  unbound    42007 4  tcp4   192.168.3.253:53      *:*
                        unbound  unbound    42007 5  udp6   2001:470:snipped:3::253:53 *:*
                        unbound  unbound    42007 6  tcp6   2001:470:snipped:3::253:53 *:*
                        unbound  unbound    42007 7  udp4   192.168.9.253:53      *:*
                        unbound  unbound    42007 8  tcp4   192.168.9.253:53      *:*
                        unbound  unbound    42007 9  udp4   192.168.2.253:53      *:*
                        unbound  unbound    42007 10 tcp4   192.168.2.253:53      *:*
                        unbound  unbound    42007 11 udp4   192.168.6.253:53      *:*
                        unbound  unbound    42007 14 tcp4   192.168.6.253:53      *:*
                        unbound  unbound    42007 15 udp4   192.168.4.253:53      *:*
                        unbound  unbound    42007 16 tcp4   192.168.4.253:53      *:*
                        unbound  unbound    42007 17 udp4   192.168.7.253:53      *:*
                        unbound  unbound    42007 18 tcp4   192.168.7.253:53      *:*
                        unbound  unbound    42007 19 udp4   127.0.0.1:53          *:*
                        unbound  unbound    42007 20 tcp4   127.0.0.1:53          *:*
                        unbound  unbound    42007 21 udp6   ::1:53                *:*
                        unbound  unbound    42007 22 tcp6   ::1:53                *:*
                        [2.4.4-RELEASE][admin@sg4860.local.lan]/: 
                        

                        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 2.7.2, 24.11

                        S 1 Reply Last reply Reply Quote 0
                        • S
                          shawn8888 @johnpoz
                          last edited by shawn8888

                          @johnpoz said in DNS Resolver Host Override not working in Windows:

                          sockstat | grep :53

                          You are right. seems BIND is running.
                          dns2.png

                          But I checked the settings and it's disabled.
                          dns3.png

                          And what is this "named"???

                          dns4.png

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                          • johnpozJ
                            johnpoz LAYER 8 Global Moderator
                            last edited by

                            named is BIND

                            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 2.7.2, 24.11

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                            • S
                              shawn8888
                              last edited by shawn8888

                              Thank you so much, johnpoz!

                              I manually stopped the service at Status/Services screen. And this is what I got:

                              c:\>nslookup www.facebook.com
                              Server:  pfSense.mydomain.com
                              Address:  192.168.100.2
                              
                              Name:    www.facebook.com
                              Address:  192.168.100.201
                              
                              
                              c:\>nslookup 192.168.100.201
                              Server:  pfSense.mydomain.com
                              Address:  192.168.100.2
                              
                              Name:    www.facebook.com
                              Address:  192.168.100.201
                              
                              

                              Still have questions though:

                              1. As the screenshot shows, BIND is NOT enabled. How did this service get started?

                              2. I haven't touched BIND for a long time. But I did restart pfsense for testing, which means the named service get auto started when reboot. How can I stop it?

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                              • johnpozJ
                                johnpoz LAYER 8 Global Moderator
                                last edited by

                                No idea... Seems like you config is borked.. Export your config and look at the xml.. If not enable it shouldn't be starting - unless you manually did something like installed bind on your own vs packages, etc.

                                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 2.7.2, 24.11

                                S 1 Reply Last reply Reply Quote 0
                                • S
                                  shawn8888 @johnpoz
                                  last edited by shawn8888

                                  @johnpoz said in DNS Resolver Host Override not working in Windows:

                                  No idea... Seems like you config is borked.. Export your config and look at the xml.. If not enable it shouldn't be starting - unless you manually did something like installed bind on your own vs packages, etc.

                                  I installed BIND from package. I guess I will have to uninstall it later.
                                  Thank you again for your help! You are amazing!

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                                  • johnpozJ
                                    johnpoz LAYER 8 Global Moderator
                                    last edited by johnpoz

                                    Did you maybe click on the service and start it that way? I have the package installed because time need to play with it to help users.

                                    It doesn't auto start itself..

                                    Learned one thing for sure - check earlier what is actually run if other users have sim issue ;) Would of solved your problem like in step one vs just trusting that all you had running was unbound.

                                    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 2.7.2, 24.11

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                                    • S
                                      shawn8888 @johnpoz
                                      last edited by

                                      @johnpoz
                                      No I didn't start the service manually.
                                      Very weird, isn't it? I would think only one service can be started on one port, 53. Maybe it's a bug of pfsense? LOL

                                      One last question:
                                      DNS forwarder, DNS resolver and BIND all do the same thing and only one should be enabled, correct?

                                      Is DNS resolver the best in your opinion?

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                                      • johnpozJ
                                        johnpoz LAYER 8 Global Moderator
                                        last edited by johnpoz

                                        No its not a bug.. look at your bindings.. Your not bound to the same things.

                                        Bind is the king of dns... But you do not need it on pfsense, unbound is fine... I have been managing dns for years and years.. Since back in the bind 4 days. I just use unbound... its all you need for a home setup.

                                        its got pretty much any of the features you could possible need.. Now if wanted to run an authoritative ns, or needed slave ns then I would run bind.

                                        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 2.7.2, 24.11

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                                        • KOMK
                                          KOM
                                          last edited by

                                          @shawn8888 said in DNS Resolver Host Override not working in Windows:

                                          I installed BIND from package.

                                          This would have been a good nugget to know right from the start. At least it's working now.

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