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    PFsense 2.01 cisco anyconnect from lan to wan doesn't work

    Firewalling
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    • P
      pbk8530 last edited by

      Hello,

      I am using pfsense on alix 1d3 and PPTP dialup in Austria with the MTU of 1460 settings…
      Why pfsense blocking the cisco anyconnect if I want to connect tot he company network from home?
      I try to set the firewall Firewall Optimization Options to conservative but this doesn't help.

      Is this because the MTU is set to 1460?

      KR

      Pbk

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      • P
        pbk8530 last edited by

        Hello,

        is there no Firewall Expert out there who knows to setup the PFsense for VPN pass through?
        The old PFsense 1.23 VPN pass through works, and also there is no hacking for the WAN PPTP needed…

        KR

        PbK

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        • P
          pbk8530 last edited by

          push…

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          • P
            pbk8530 last edited by

            ppppuuuuuusssssshhhhhhh!!!!

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            • R
              rjcrowder last edited by

              I'm using Cisco Anyconnect to connect to my work VPN with no issue… didn't do anything special to allow it. What debugging steps did you go through? How do you know that pfsense is blocking the connection?

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              • johnpoz
                johnpoz LAYER 8 Global Moderator last edited by

                So what is not working the TLS portion or the DTLS portion.  There should really be nothing to do on pfsense to allow this traffic, unless you have modified your outbound rules.

                I do believe your going to make a connection over tcp 443, and then it will try and switch to DTLS which is UDP over 443.

                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 23.01 | Lab VMs CE 2.6, 2.7

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                • P
                  pbk8530 last edited by

                  Hello,

                  I use PfSense 2.01 on an Alix hardware.

                  I use all three hardware interfaces and the wifi module, the wifi setup is done that it is using the same IP range for lan and wifi (bridged interface).

                  How i debug it –> when I use the mobile hotspot of my smartphone cisco anyconnect is connecting and the connection is up as long as I want it, but through the PfSense the connection dropped after one second, so the client reconnect and the connection dropped again and again....

                  There is no specific outbound rule --> what exactly to you mean?

                  KR

                  PbK

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                  • johnpoz
                    johnpoz LAYER 8 Global Moderator last edited by

                    And again - what type of connection are you making..  Anyconnect should work over just a TCP 433 connection just like any website, it will try and use DTLS (udp) – is this where its failing?

                    Do you see anything in the firewall log about something blocked - what does the anyconnect client say??

                    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 23.01 | Lab VMs CE 2.6, 2.7

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