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    DNSSEC on pfSense

    Scheduled Pinned Locked Moved 2.0-RC Snapshot Feedback and Problems - RETIRED
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    • _
      _igor_
      last edited by

      Great! Installation works! I'm so excited!!! Thanx a lot!!

      edit: second note) unbound works great! ping of hosts inside my LAN works. Name resolution is somewhat slower than before, but thats no problem…

      last edit: Borat smiles into my face...

      :-)

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      • J
        jlepthien
        last edited by

        Thanks jimp! Now the install works and also a DNSSEC Test works. But I cannot ping hosts by name on my LAN. Everything works great from the pfSense box itself (eg. ping by name to every host), but not from my LAN hosts. I am only able to ping pfSense.domain.lan but no other hosts from my iMac on LAN.

        I also clicked save on the Unbound tab more than once…

        | apple fanboy | music lover | network and security specialist | in love with cisco systems |

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        • J
          jlepthien
          last edited by

          Ok. I can see in the unbound.conf that my hosts do not get written into it. Also I want Unbound to listen on three interfaces but it only listens on my main LAN. So WLAN cannot be used at the moment…

          Any ideas? I really have checked all three interfaces on the Unbound tab...

          | apple fanboy | music lover | network and security specialist | in love with cisco systems |

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          • W
            wagonza
            last edited by

            Ok I gather nothing has changed in your config that you sent me originally, so let me check and I'll come back to you tomorrow.

            Follow me on twitter http://twitter.com/wagonza
            http://www.thepackethub.co.za

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            • W
              wagonza
              last edited by

              @_igor_:

              Great! Installation works! I'm so excited!!! Thanx a lot!!

              edit: second note) unbound works great! ping of hosts inside my LAN works. Name resolution is somewhat slower than before, but thats no problem…

              Are you using forwarders or letting Unbound do all the name resolution? Also, is it slow just the 1st time or all the time?

              Follow me on twitter http://twitter.com/wagonza
              http://www.thepackethub.co.za

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              • J
                jlepthien
                last edited by

                @wagonza:

                Ok I gather nothing has changed in your config that you sent me originally, so let me check and I'll come back to you tomorrow.

                Yeah, nothing changed in my config. How should I actually use these static dns mappings? Before it was done by dnsmasq and now with Unbound it says that I shouldn't activate the forwarder when using DNSSEC. So how should I configure this?

                | apple fanboy | music lover | network and security specialist | in love with cisco systems |

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                • _
                  _igor_
                  last edited by

                  The forwarder is disabled. Unbound does all the job. As i can say - very subjective opinion - it was only the first call, say some minutes slow with every DNS-query, but then its mostly like before. I'm happy. Thats the best description of the actual state.

                  You did a really great work! Thanx again!

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                  • S
                    serangku
                    last edited by

                    yup … give it try for now ...
                    resolve more faster than before

                    @igor ...
                    can isee your syslog when firs time boot ?

                    thanks

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                    • W
                      wagonza
                      last edited by

                      @jlepthien:

                      Yeah, nothing changed in my config. How should I actually use these static dns mappings? Before it was done by dnsmasq and now with Unbound it says that I shouldn't activate the forwarder when using DNSSEC. So how should I configure this?

                      You can use the static dns mappings, its just the upstream DNS servers (forwarders) that it says you should ideally not use unless you are certain that they handle DNSSEC correctly. These static DNS mappings will be created as as local-zone in unbound and the relevant A and PTR record will be configured included a TXT record if you supplied a description.

                      So a simple dig zone @pfsense_ip will return the A record and a dig -x IP @pfsense_ip will return the PTR record. Likewise can be done for a TXT record.

                      Hope that answers your question.

                      Follow me on twitter http://twitter.com/wagonza
                      http://www.thepackethub.co.za

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                      • L
                        lyserge
                        last edited by

                        Are you using forwarders or letting Unbound do all the name resolution? Also, is it slow just the 1st time or all the time?

                        If someone is interested in measuring DNS performance: http://code.google.com/p/namebench/

                        Just uncheck the other servers that are included by defalt, then do the test on your pfSense IP :)

                        It should give some numbers to compare the overall performance…

                        pfSense 2.0.3 nanoBSD (i386) on Soekris net5501

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                        • _
                          _igor_
                          last edited by

                          @serangku:

                          Dec 11 00:56:43	unbound: [32918:0] info: start of service (unbound 1.4.7).
Dec 11 00:56:43	unbound: [32918:0] notice: init module 1: iterator
Dec 11 00:56:43	unbound: [32918:0] notice: init module 0: validator
Dec 11 00:56:43	unbound: [37916:0] info: 2.000000 4.000000 1
Dec 11 00:56:43	unbound: [37916:0] info: 1.000000 2.000000 1
Dec 11 00:56:43	unbound: [37916:0] info: 0.524288 1.000000 2
Dec 11 00:56:43	unbound: [37916:0] info: 0.262144 0.524288 2
Dec 11 00:56:43	unbound: [37916:0] info: 0.131072 0.262144 3
Dec 11 00:56:43	unbound: [37916:0] info: 0.065536 0.131072 4
Dec 11 00:56:43	unbound: [37916:0] info: 0.016384 0.032768 1
Dec 11 00:56:43	unbound: [37916:0] info: lower(secs) upper(secs) recursions
Dec 11 00:56:43	unbound: [37916:0] info: [25%]=0.04096 median[50%]=0.0873813 [75%]=0.118928
Dec 11 00:56:43	unbound: [37916:0] info: histogram of recursion processing times
Dec 11 00:56:43	unbound: [37916:0] info: average recursion processing time 0.507960 sec
Dec 11 00:56:43	unbound: [37916:0] info: server stats for thread 0: requestlist max 1 avg 0.142857 exceeded 0
Dec 11 00:56:43	unbound: [37916:0] info: server stats for thread 0: 14 queries, 0 answers from cache, 14 recursions, 0 prefetch
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                          • W
                            wagonza
                            last edited by

                            Who else here has multiple interfaces and has Unbound listening on them all?
                            Also anyone here with domain overrides (Services->DNS Forwarder) specified? If so are they working?

                            Follow me on twitter http://twitter.com/wagonza
                            http://www.thepackethub.co.za

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                            • W
                              wagonza
                              last edited by

                              Ok domain overrides are working. I still need to add an option for DNS Rebinding (enabling/disabling) as that was affecting domain overrides.
                              Currently it is enabled by default.

                              Besides @jlepthien's problem of multiple interfaces been selected and for some unknown reason not been saved - any other requests/problems?

                              Follow me on twitter http://twitter.com/wagonza
                              http://www.thepackethub.co.za

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                              • _
                                _igor_
                                last edited by

                                hi wagonza, on my side its running fine and stressless. Really a good thing of Software you created! Thanks a lot!!!
                                I don't have multiple gateways here to test that special funktions.

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                                • J
                                  jlepthien
                                  last edited by

                                  Now it is working for me. I found the problem why he wasn't saving all my interfaces to the conf…

                                  When I looked at the logfile I saw the following:

                                  Dec 15 11:59:58 voldemort unbound: [9464:0] error: Could not open autotrust file for writing, /usr/local/etc/unbound/root-trust-anchor: Read-only file system

                                  I am on embedded so I just mounted / rw and then clicked save. I guess you just have to implement the mounting rw on embedded with the Unbound package and everything should be fine then…

                                  | apple fanboy | music lover | network and security specialist | in love with cisco systems |

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                                  • J
                                    jlepthien
                                    last edited by

                                    Oh, but wait. My OpenDNS is not working anymore… I have configured 208.67.222.222 and 208.67.220.220 as my global DNS servers but when Unbound is running, no urls get blocked anymore. Which DNS servers does Unbound contact for resolving?

                                    | apple fanboy | music lover | network and security specialist | in love with cisco systems |

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                                    • S
                                      sullrich
                                      last edited by

                                      @jlepthien:

                                      Oh, but wait. My OpenDNS is not working anymore… I have configured 208.67.222.222 and 208.67.220.220 as my global DNS servers but when Unbound is running, no urls get blocked anymore. Which DNS servers does Unbound contact for resolving?

                                      Did you check "Enable forwarding mode" in the unbound configuration screen?

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                                      • J
                                        jlepthien
                                        last edited by

                                        No. If you enable DNSSEC one should disable this I read…

                                        | apple fanboy | music lover | network and security specialist | in love with cisco systems |

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                                        • S
                                          sullrich
                                          last edited by

                                          @jlepthien:

                                          No. If you enable DNSSEC one should disable this I read…

                                          In that case I think it's one or another.  Not really sure to be honest with you.  Try enabling the option and test it using the test dnssec page and let us know if it works.

                                          On the other side of the coin, I am not sure if OpenDNS supports DNSSEC?  I thought they adopted DNSCurve.

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                                          • J
                                            jlepthien
                                            last edited by

                                            Even with the option enabled, I still can access all forbidden websites. Also the DNSSEC test gives me Borat so that is working as well…

                                            | apple fanboy | music lover | network and security specialist | in love with cisco systems |

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