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    DNS Resolver/Forwarder host overrides not working

    Scheduled Pinned Locked Moved DHCP and DNS
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    • RedDelPaPaR
      RedDelPaPa @johnpoz
      last edited by

      @johnpoz
      0_1551447729079_2019-03-01 06_39_54-Settings.png
      0_1551447736271_2019-03-01 06_40_45-Settings.png

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      • johnpozJ
        johnpoz LAYER 8 Global Moderator
        last edited by johnpoz

        And are you actually hitting apply to restart unbound when you put in your override?

        Do you have anything odd in your custom options?

        Look in your unbound conf file.. It would show you your overrides you have set. Restart Unbound.

        Look in your host conf file
        0_1551448535189_hostoverrides.png

        Do you actually see your host override in there - did unbound actually restart after you put in your override..

        Are you running something like pfblocker?

        Can you not just use a real tool like nslookup or dig so you can actually see if there what you get back like maybe NX or something or if your getting a servfail, etc. Increase the logging of unbound - do you actually see the query in the log?

        Looks like tool reports nx, domain not found... My guess would be your not actually restarting unbound after you put in your override? Or maybe you have some sort of dns redirect going on? You need to validate your actually asking unbound, and unbound has the record there to serve up.

        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

        RedDelPaPaR 1 Reply Last reply Reply Quote 0
        • RedDelPaPaR
          RedDelPaPa @johnpoz
          last edited by RedDelPaPa

          @johnpoz
          "And are you actually hitting apply to restart unbound when you put in your override?" Yes.
          "Do you have anything odd in your custom options?" Not that I'm aware of.
          "Look in your unbound conf file.. It would show you your overrides you have set. Restart Unbound."
          Unbound has been restarted. I don't see anything in unbound.conf pertaining to my domains.

          Here is my unbound.conf:
          ##########################

          Unbound Configuration

          ##########################

          Server configuration

          server:

          chroot: /var/unbound
          username: "unbound"
          directory: "/var/unbound"
          pidfile: "/var/run/unbound.pid"
          use-syslog: yes
          port: 53
          verbosity: 1
          hide-identity: yes
          hide-version: yes
          harden-glue: yes
          do-ip4: yes
          do-ip6: yes
          do-udp: yes
          do-tcp: yes
          do-daemonize: yes
          module-config: "validator iterator"
          unwanted-reply-threshold: 0
          num-queries-per-thread: 512
          jostle-timeout: 200
          infra-host-ttl: 900
          infra-cache-numhosts: 10000
          outgoing-num-tcp: 10
          incoming-num-tcp: 10
          edns-buffer-size: 4096
          cache-max-ttl: 86400
          cache-min-ttl: 0
          harden-dnssec-stripped: yes
          msg-cache-size: 4m
          rrset-cache-size: 8m

          num-threads: 2
          msg-cache-slabs: 2
          rrset-cache-slabs: 2
          infra-cache-slabs: 2
          key-cache-slabs: 2
          outgoing-range: 4096
          #so-rcvbuf: 4m
          auto-trust-anchor-file: /var/unbound/root.key
          prefetch: no
          prefetch-key: no
          use-caps-for-id: no
          serve-expired: no

          Statistics

          Unbound Statistics

          statistics-interval: 0
          extended-statistics: yes
          statistics-cumulative: yes

          SSL Configuration

          Interface IP(s) to bind to

          interface-automatic: yes
          interface: 0.0.0.0
          interface: ::0

          Outgoing interfaces to be used

          DNS Rebinding

          For DNS Rebinding prevention

          private-address: 10.0.0.0/8
          private-address: ::ffff:a00:0/104
          private-address: 172.16.0.0/12
          private-address: ::ffff:ac10:0/108
          private-address: 169.254.0.0/16
          private-address: ::ffff:a9fe:0/112
          private-address: 192.168.0.0/16
          private-address: ::ffff:c0a8:0/112
          private-address: fd00::/8
          private-address: fe80::/10

          Set private domains in case authoritative name server returns a Private IP address

          private-domain: "google.com"
          domain-insecure: "google.com"

          Access lists

          include: /var/unbound/access_lists.conf

          Static host entries

          include: /var/unbound/host_entries.conf

          dhcp lease entries

          include: /var/unbound/dhcpleases_entries.conf

          OpenVPN client entries

          include: /var/unbound/openvpn.*.conf

          Domain overrides

          include: /var/unbound/domainoverrides.conf

          Remote Control Config

          include: /var/unbound/remotecontrol.conf

          "Look in your host conf file"
          Here is my hosts file:
          127.0.0.1 localhost localhost.mydomain.net
          ::1 localhost localhost.mydomain.net
          10.1.1.1 primary.mydomain.net primary
          10.1.1.10 S1.mydomain.net S1
          10.1.1.10 primary.myseconddomain.net primary
          10.1.1.10 primary.mydomain.net primary
          10.10.10.10 test.google.com test

          dhcpleases automatically entered

          dhcpleases automatically entered

          "Are you running something like pfblocker?" I am running pfBlockerNG. Is that a problem?

          "Can you not just use a real tool like nslookup or dig so you can actually see if there what you get back like maybe NX or something or if your getting a servfail, etc. Increase the logging of unbound - do you actually see the query in the log?

          Looks like tool reports nx, domain not found... My guess would be your not actually restarting unbound after you put in your override? Or maybe you have some sort of dns redirect going on? You need to validate your actually asking unbound, and unbound has the record there to serve up."

          I use nslookup from a windows machine. Are you speaking of something else? Can you tell me how to do as you suggest? I'd be more than happy to. I just upped the logging level to level 3. Where do I find the proper unbound log? And where might I find the redirect setting(s) you speak of that could cause this problem?

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          • johnpozJ
            johnpoz LAYER 8 Global Moderator
            last edited by

            @reddelpapa said in DNS Resolver/Forwarder host overrides not working:

            private-domain: "google.com"
            domain-insecure: "google.com"

            Why do you have that set?

            And yes pfblocker could for sure becausing you problems.

            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

            RedDelPaPaR 1 Reply Last reply Reply Quote 0
            • RedDelPaPaR
              RedDelPaPa @johnpoz
              last edited by RedDelPaPa

              @johnpoz
              I have no idea how that got set, or how. I was fooling with google.com and test.google.com overrides to see if they were broke too and the answer is yes.

              So then, what do you suggest? I have a test version of pfsense running in a VM. Maybe I can restore it to defaults, configure host overrides and see if it works there. If so, then I'll one by one load the same packages I have on my production box and see if pfblocker breaks it.

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              • johnpozJ
                johnpoz LAYER 8 Global Moderator
                last edited by johnpoz

                I can tell you for fact out of the box host overrides just work.. So yeah you got something odd going on..

                Click on your custom options box in your unbound config - what do you have in there?

                Do you have anything set in your port forwards on your lan interface?

                I would set unbound to log queries, you can do that with

                server:
                log-queries: yes

                In your custom option box and then sure up the logging level in the setting.

                Now when you do a query for your host override you will see it in the log

                Mar 1 10:45:03 unbound 7669:0 info: 192.168.9.100 aaatest.google.com. A IN

                $ dig @192.168.9.253 aaatest.google.com                                
                                                                                       
                ; <<>> DiG 9.12.3-P1 <<>> @192.168.9.253 aaatest.google.com            
                ; (1 server found)                                                     
                ;; global options: +cmd                                                
                ;; Got answer:                                                         
                ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21606              
                ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
                                                                                       
                ;; OPT PSEUDOSECTION:                                                  
                ; EDNS: version: 0, flags:; udp: 4096                                  
                ;; QUESTION SECTION:                                                   
                ;aaatest.google.com.            IN      A                              
                                                                                       
                ;; ANSWER SECTION:                                                     
                aaatest.google.com.     3600    IN      A       11.11.11.11
                                                                
                ;; Query time: 0 msec                                                  
                ;; SERVER: 192.168.9.253#53(192.168.9.253)                             
                ;; WHEN: Fri Mar 01 10:45:03 Central Standard Time 2019                
                ;; MSG SIZE  rcvd: 63                                                  
                

                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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                • RedDelPaPaR
                  RedDelPaPa
                  last edited by

                  I have nothing in the custom options box. No lan port forwards.

                  Nothing extra is showing in the dns resolver log. Where exactly is this log?

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                  • johnpozJ
                    johnpoz LAYER 8 Global Moderator
                    last edited by johnpoz

                    Its in where all the other logs are ;)

                    0_1551460560824_logs.png

                    There where did the customs stuff for google come from?

                    Seems to me you got something tweaked up!!

                    Did you put in the setting for query logs?
                    0_1551460765998_logqur.png

                    If you want to see the queries for logs.. Is anything happening there - all your other clients asking for stuff that you say is being done by 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 2.8, 24.11

                    RedDelPaPaR 2 Replies Last reply Reply Quote 0
                    • RedDelPaPaR
                      RedDelPaPa @johnpoz
                      last edited by RedDelPaPa

                      @johnpoz
                      Yes sir. I did that exactly as you show. Yes clearly this system isn't working. I'm gonna do as I explained with my VM install of pfsense. Take it to defaults with no addon packages and see if the host overrides work there.

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                      • RedDelPaPaR
                        RedDelPaPa @johnpoz
                        last edited by

                        @johnpoz
                        So some progress has been made. pfblocker and suricata are not effecting my problem. I also had BIND installed but not running. I uninstalled the package and now my DNS resolver host overrides return this:
                        0_1551509333547_DNS Query2.png
                        The second IP is the correct one. Now how do I get rid of the 10.1.1.1?

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                        • johnpozJ
                          johnpoz LAYER 8 Global Moderator
                          last edited by

                          So you had bind running would be my guess.. And unbound wasn't running.. That completely explains the problem!!!

                          And your not going to get rid of the 2nd one.. if pfsense is called primary.domain.tld that it will return the IP of its lan IP..

                          You can not just create another primary.domain.tld and not return that address.

                          Call pfsense something else!!! like pfsense.domain.tld vs primary.domain.tld - then you can create your host override pointing to what you want.

                          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

                          RedDelPaPaR 1 Reply Last reply Reply Quote 0
                          • RedDelPaPaR
                            RedDelPaPa @johnpoz
                            last edited by

                            @johnpoz
                            No, I verified that unbound was indeed running. BIND was installed, but disabled.
                            Ok I can do that. I will give pfsense a different host name and that problem should be solved.

                            On another topic, I have another problem. Do you know how I can make the windows OpenVPN clients actually run in service mode so that they will connect without any user needing to be logged on? I've tried everything I've searched for online but nothing works.

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                            • johnpozJ
                              johnpoz LAYER 8 Global Moderator
                              last edited by johnpoz

                              Why would you want / need windows to run openvpn... You can just run your vpn client on pfsense and policy route.

                              If you want support on how to do XYZ with windows - then you could ask in the general section... But pretty sure its going to be a bunch of crickets.. Your best hope is actual windows support forum.

                              So you want your windoows box to be connected to vpn service, while nobody is logged into? Why would you not just do that on pfsense - no any box you want on your whole network can be routed out your vpn, or multiple different vpns.. With ZERO to do on the client. Be it they logged in, be it they just booted, be it they are shutting down, etc.

                              "BIND was installed, but disabled." -- Sure OK <rolleyes> I believe you <rolleyes> I have been doing DNS with bind since it came out.. I have been running Pfsense since it came out... I have been using unbound and bind on pfsense unbound was just a package and not built in, etc. etc. etc.. But sure OK -- your install of bind dicked up your host overrides ;) I have the bind package installed. And I turn it on and off all the time to help users with here.. The configs for these packages have zero to do with each other.. You have x service listening on 53 or you have y service listening on 53... If you have them both enabled then you run into a RACE condition on which service is actually going to bind to 53 and answer

                              You had to ask where the logs where... So sorry but have a hard time buying that story.. When bind answering vs unbound explains all your problems..

                              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

                              RedDelPaPaR 1 Reply Last reply Reply Quote 0
                              • RedDelPaPaR
                                RedDelPaPa @johnpoz
                                last edited by RedDelPaPa

                                @johnpoz
                                I'm trying to get 2 remote windows PC's connected securely to my network via OpenVPN. I've got the tunnel and the client connections created and working. I can even have them auto connect when a user logs on. But I want to go one step further and have the vpn client operate as a service so that it will connect regardless if any user is logged on or not.

                                Perhaps I should've taken a snippit of my services section. I'm telling you, BIND was installed but not in use. Resolver was in use.

                                I sense a little attitude. Now you've got me wanting to reinstall BIND, break my shit, and grab a snippit just to put your foot in your mouth. ;)

                                Thanks for your help though. Appreciate it.

                                GertjanG 1 Reply Last reply Reply Quote 0
                                • GertjanG
                                  Gertjan @RedDelPaPa
                                  last edited by Gertjan

                                  @reddelpapa said in DNS Resolver/Forwarder host overrides not working:

                                  Perhaps I should've taken a snippit of my services section.

                                  First, I love pfSense.

                                  But when multiple identical-service-types services are running on my system - any system, I ask the one that knows :

                                  [2.4.4-RELEASE][admin@pfsense.mynet.net]/root: ps ax | grep 'named'
                                  44896  0  S+      0:00.00 grep named
                                  

                                  Now I know bind isn't running - installed, activated, whatever. It isn't running.

                                  Another this one :

                                  sockstat -l | grep ":53"
                                  

                                  to see who is listening on port "53".

                                  The usage of such command made me head-slapping more then ones.
                                  GUI's are nice,
                                  Knowing the absolute truth is better.

                                  Latest experience, last month : freeradius was running and not taken in account my new settings.
                                  Found out that I managed to start multiple instances .... my head still hurts.

                                  No "help me" PM's please. Use the forum, the community will thank you.
                                  Edit : and where are the logs ??

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                                  • johnpozJ
                                    johnpoz LAYER 8 Global Moderator
                                    last edited by

                                    Go ahead do that do reinstall it... I have it installed..

                                    As Gertjan stated... Why did you not do that?

                                    If unbound was running then it would of freaking answered the query, or logged it!! It did neither... So what does that tell you?

                                    Just installing bind has zero to do with unbound... I have it installed on my own system - but guess what its NOT running!!

                                    But unbound is!

                                    [2.4.4-RELEASE][root@sg4860.local.lan]/root: sockstat -l | grep :53
                                    unbound  unbound    18353 3  udp4   192.168.9.253:53      *:*
                                    unbound  unbound    18353 4  tcp4   192.168.9.253:53      *:*
                                    unbound  unbound    18353 5  udp4   192.168.2.253:53      *:*
                                    unbound  unbound    18353 6  tcp4   192.168.2.253:53      *:*
                                    unbound  unbound    18353 7  udp4   192.168.4.253:53      *:*
                                    unbound  unbound    18353 8  tcp4   192.168.4.253:53      *:*
                                    unbound  unbound    18353 9  udp4   192.168.6.253:53      *:*
                                    unbound  unbound    18353 10 tcp4   192.168.6.253:53      *:*
                                    unbound  unbound    18353 11 udp4   192.168.7.253:53      *:*
                                    unbound  unbound    18353 15 tcp4   192.168.7.253:53      *:*
                                    unbound  unbound    18353 16 udp4   192.168.3.253:53      *:*
                                    unbound  unbound    18353 17 tcp4   192.168.3.253:53      *:*
                                    unbound  unbound    18353 18 udp6   2001:470:snipped:53 *:*
                                    unbound  unbound    18353 19 tcp6   2001:470:snipped:53 *:*
                                    unbound  unbound    18353 20 udp4   127.0.0.1:53          *:*
                                    unbound  unbound    18353 21 tcp4   127.0.0.1:53          *:*
                                    unbound  unbound    18353 22 udp6   ::1:53                *:*
                                    unbound  unbound    18353 23 tcp6   ::1:53                *:*
                                    [2.4.4-RELEASE][root@sg4860.local.lan]/root: 
                                    

                                    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

                                    RedDelPaPaR 1 Reply Last reply Reply Quote 0
                                    • RedDelPaPaR
                                      RedDelPaPa @johnpoz
                                      last edited by

                                      @johnpoz

                                      Well, maybe you're right. Because it does make sense that something else was getting in the way of unbound. I just know what I saw under system services because I thought of that several days ago and specifically looked to see if BIND was running or not. After I installed suricata and pfblocker on my test install and DNS resolver still worked as it should, that triggered me to go ahead and uninstall BIND because it was the only difference between my test and production pfsense units. But either way, the problem is solved, and I appreciate your help in doing so.

                                      Have a great weekend,
                                      Nate

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