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    Portknocking-Daemon-GUI or Package –> {CANCELED}

    Scheduled Pinned Locked Moved Expired/Withdrawn Bounties
    42 Posts 9 Posters 27.5k Views
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    • H
      heiko
      last edited by

      Yes i do, on our own hardware, not nokia, we change checkpoint to pfsense…..checkpoint ist really good, but you need for each loacation a truck of money for support, upgrade etc. ......

      i can map all my feature requests with pfsense, and i don´t know about portknocking on Checkpoint ;D
      Greetings from germany
      heiko

      --> i would rather speak about this bounty and portknocking.

      --> Anybody interest?? really?? Not minor points! Excuse me........

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      • H
        heiko
        last edited by

        Hello,

        the bounty is now set to 500 €. We can arrange anything of this bounty up to the due state " 01.05.2007". Thereafter i will kill this bounty.

        Greetings
        heiko

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        • J
          Justinw
          last edited by

          Outside the US most people do day/month/year if that makes more sense to people reading this post, not that it is my place, but I thought it needed to be clarified.  So if I'm reading it right, it won't be over for a month and a half

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          • H
            heiko
            last edited by

            Excuse me, the german date translation is for other people abnormal, i think..

            The offer will be dropped at Year = 2007 ; Month = Mai, Day = 01

            I hope, this is undestandable.
            Greetings
            heiko

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            • S
              sullrich
              last edited by

              I will be taking this one on as soon as you declare time based rules a success.

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              • H
                heiko
                last edited by

                OK, i am await for finished time based ruled system.Then we could arrange "portknocking"
                greetings
                heiko

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                • H
                  heiko
                  last edited by

                  Hello Scott,
                  one Extension: I want to blocking countries and i know from another thread, that this is implemented in HEAD. Can you backported this to a productive PFSENSE-RELENG-SNAPSHOT Version?

                  Portknocking = 500 €
                  Blocking-Countries= 250 €

                  Do you disposed to this extension. It would be very nice?

                  I know, i am a nag…. :)
                  Greetings from Germany
                  heiko

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                  • S
                    sullrich
                    last edited by

                    No, I am affraid not.  We are about to enter beta status as soon as the final Time Based Rules bugs are fixed.

                    Sorry!  Maybe on next version.

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                    • H
                      heiko
                      last edited by

                      OK, thanks, then we can arrange the port knocking when the timebased rules are finished

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                      • JeGrJ
                        JeGr LAYER 8 Moderator
                        last edited by

                        Don't want to disturb the thread but I'm curious for what you (or people generally) want to use portknocking for and (if that's generally possible doing with pfsense/freebsd/pf) if authpf wouldn't be a better/other approach to the desired result. Coming from the OpenBSD side I used authpf for quite a few thingies, people want portknocking for, so I thought I should maybe throw this in here.

                        Greets Grey

                        Don't forget to upvote 👍 those who kindly offered their time and brainpower to help you!

                        If you're interested, I'm available to discuss details of German-speaking paid support (for companies) if needed.

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                        • S
                          sullrich
                          last edited by

                          Yes it is possible: http://doorman.sourceforge.net/

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                          • S
                            sullrich
                            last edited by

                            Looks like doorman will not be a suitable package as it requires a client to do the knocking….  Need to find a package that works with PF and does not require a client.

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                            • H
                              heiko
                              last edited by

                              i agree with that. The project is on sourceforge not really active, i think?

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                              • C
                                cmb
                                last edited by

                                Every port knocking daemon is going to require a client. It could be something as simple as a batch file/shell script that telnets to several ports, but they all need a client of some sort. It's no different from OpenVPN, in that it requires a client that we don't provide.

                                I say start with doorman, if it doesn't work for some technical or compatibility reason, move on to something else.

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                                • B
                                  BuddhaChu
                                  last edited by

                                  Doorman requires a specific client in that it transmits the knock in one UDP packet on one port and doesn't knock on several ports in certain order (the way most "normal" portknocking setups work).

                                  My point being that Joe Blow just can't grab any old portknocking client…it would need to do the following:

                                  This particular implementation deviates a bit from his original proposal, in that the doorman watches for only a single UDP packet.  To get the doorman to open up, the packet must contain an MD5 hash which correctly hashes a shared secret, salted with a 32-bit random number, the identifying user or group-name, and the requested service port-number.

                                  I guess if you enable this package in your pfSense box, you better be prepared to use a specific client.

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                                  • H
                                    heiko
                                    last edited by

                                    Hmm, would it be better if i cancel this bounty and we say "no solution is safe and required a specific client"??
                                    If Portknocking under BSD/pf is not possible or the solution is not safety so i´m doubtful to create a solution for pfsense?!

                                    A portknocking package is nice but not by hook or by crook!!

                                    What do you think Scott? I don´t know? :'(
                                    Greetings
                                    heiko

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                                    • B
                                      BuddhaChu
                                      last edited by

                                      Don't cancel it on account of what I said.  :(

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                                      • S
                                        sullrich
                                        last edited by

                                        I think you should not listen to the back seat drivers.  Let me keep digging around for a solution.  I have been trying to get knockd ported from Linux and am about 60% done.

                                        If you have a 3-4 knock key, ie:

                                        telnet ip 945
                                        telnet ip 5678
                                        telnet ip 1234
                                        telnet ip 4756

                                        Then I don't see how much this will hurt.  Besides, what exactly are you planning on exposing once you knock?  The webConfigurator or possibly SSH?

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                                        • H
                                          heiko
                                          last edited by

                                          I set the Bounty for the portknocking feature to

                                          1000 €

                                          Greetings
                                          Heiko

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                                          • D
                                            DanielSHaischt
                                            last edited by

                                            Just to document what I've found about port knocking so far:

                                            research paper:
                                            http://www.runtux.com/files/download/portknock.4.pdf

                                            fwknop - promissing but Linux based:
                                            http://www.cipherdyne.org/fwknop/

                                            trapdoor2 - may work out of the box on BSD:
                                            http://oss.linbit.com/trapdoor2/

                                            webknocking - an alternative approach in some kind of an early stage:
                                            http://www.webknocking.de/semaphor.php?item=webknocking_en

                                            Reverse Remote Shell - Very interesting but needs a client:
                                            http://www.cycom.se/dl/rrs

                                            and of course:
                                            http://www.portknocking.org/view/implementations

                                            Mit freundlichen Gruessen / With kind regards
                                            DAn.I.El S. Haischt

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