Netgate Discussion Forum
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Search
    • Register
    • Login

    Issue Connecting pfsense as a client to OpenVPN Access Server

    Scheduled Pinned Locked Moved OpenVPN
    20 Posts 3 Posters 3.3k Views
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • S
      shahid3507
      last edited by

      @Rico Thanks a lot!! I was able to to connect after switching TLS Encryption and Authentication to TLS Authentication and than after that Added SHA1(160 bit)

      Now I am able to ping the AWS network from pfsense end but not able to ping the remote network (pfsense) side from the AWS end.

      I am not able to ping bidirectionally, Is this a normal behaviour in case of OpenVPN our some pfsense configuration needs to be done ?

      1 Reply Last reply Reply Quote 1
      • RicoR
        Rico LAYER 8 Rebel Alliance
        last edited by Rico

        You need to setup your Rules in the Firewall -> Rules -> OpenVPN tab (pfSense WebGUI).
        For testing just do any-any and check if everything works.

        -Rico

        1 Reply Last reply Reply Quote 0
        • johnpozJ
          johnpoz LAYER 8 Global Moderator
          last edited by johnpoz

          @shahid3507 said in Issue Connecting pfsense as a client to OpenVPN Access Server:

          tls-crypt /var/etc/openvpn/client1.tls-crypt

          I am like 99% sure that openvpn-as does not support tls-crypt.. Atleast not current 2.6.1 version..

          The AS stores its config in a db, so its a bit harder to show - but there is zero place to turn on crypt for tls in the gui. And do believe reading something about it - they did a while back enable crypt for the connect client (ios and android) but I do not believe the AS server supports it as of yet.

          When you setup the client in pfsense - did you download the client config from the AS to validate what you need to set?

          example - just download my client config from my AS

           Automatically generated OpenVPN client config file
          # Generated on Mon Feb  4 07:15:51 2019 by ns1
          # Note: this config file contains inline private keys
          #       and therefore should be kept confidential!
          # Note: this configuration is user-locked to the username below
          

          Certs will all be inline

          And its just doing auth

          key-direction 1
          <tls-auth>
          #
          # 2048 bit OpenVPN static key (Server Agent)
          #
          -----BEGIN OpenVPN Static key V1-----
          12303adb7486e4ef9d4dae4742741a22
          10f785d43598499de66a7da89ee45221
          <snipped>
          235863ac6188180030d13ab6481e966c
          a8bd1f1b1c08bd009430af58ab3e0b88
          -----END OpenVPN Static key V1-----
          </tls-auth>
          

          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

          1 Reply Last reply Reply Quote 0
          • S
            shahid3507
            last edited by

            @johnpoz I have just downloaded the config from AS and followed this document.
            https://www.netgate.com/docs/pfsense/vpn/openvpn/connecting-pfsense-to-an-openvpn-access-server.html

            1 Reply Last reply Reply Quote 0
            • johnpozJ
              johnpoz LAYER 8 Global Moderator
              last edited by johnpoz

              Seems you didn't follow the part where it says
              " pfSense may be configured to use the info in the .ovpn file"

              โ˜บ

              0_1549286645395_validateyourauth.png

              And not encryption and auth. Double check all your other settings.

              example here is my client config form pfsense for my openvpn-as server

              dev ovpnc3
              verb 1
              dev-type tun
              dev-node /dev/tun3
              writepid /var/run/openvpn_client3.pid
              #user nobody
              #group nobody
              script-security 3
              daemon
              keepalive 10 60
              ping-timer-rem
              persist-tun
              persist-key
              proto udp4
              cipher AES-256-CBC
              auth SHA256
              up /usr/local/sbin/ovpn-linkup
              down /usr/local/sbin/ovpn-linkdown
              local 64.53.<snipped>
              engine rdrand
              tls-client
              client
              lport 0
              management /var/etc/openvpn/client3.sock unix
              remote <snipped> 1195
              ca /var/etc/openvpn/client3.ca 
              cert /var/etc/openvpn/client3.cert 
              key /var/etc/openvpn/client3.key 
              tls-auth /var/etc/openvpn/client3.tls-auth 1
              ncp-ciphers AES-128-GCM:AES-192-GCM:AES-256-GCM:AES-128-CBC:AES-192-CBC:AES-256-CBC
              comp-lzo no
              resolv-retry infinite
              route-nopull
              fast-io
              sndbuf 524288
              rcvbuf 524288
              [2.4.4-RELEASE][root@sg4860.local.lan]/var/etc/openvpn: 
              

              notice
              tls-auth /var/etc/openvpn/client3.tls-auth 1

              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

              1 Reply Last reply Reply Quote 0
              • S
                shahid3507
                last edited by

                @johnpoz
                My bad, missed it.
                By the way do you know anything regarding Bidirectional ping part ?
                I have added any to any config in firewall for all interfaces still it dosen't work.

                Can you please help me in this on how to do it ?
                cc: @Rico

                1 Reply Last reply Reply Quote 0
                • johnpozJ
                  johnpoz LAYER 8 Global Moderator
                  last edited by

                  What are you trying to ping?

                  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

                  1 Reply Last reply Reply Quote 0
                  • S
                    shahid3507
                    last edited by

                    The tunnel is connecting and I am able to ping the AWS side (Access server subnet) but when I am trying to ping the client side form the access server or the subnet than it's not reachable.

                    1 Reply Last reply Reply Quote 0
                    • S
                      shahid3507
                      last edited by

                      Any Idea regarding this connectivity stuff @Rico ??

                      1 Reply Last reply Reply Quote 0
                      • RicoR
                        Rico LAYER 8 Rebel Alliance
                        last edited by

                        Not atm, I don't have any experience with OpenVPN AS or AWS, sorry. ๐Ÿ˜‘
                        But my guess is @johnpoz will come back with some ideas. ๐Ÿ˜€

                        -Rico

                        1 Reply Last reply Reply Quote 0
                        • johnpozJ
                          johnpoz LAYER 8 Global Moderator
                          last edited by

                          Ping what exactly? Can you ping the lan IP of pfsense from your aws side?

                          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

                          1 Reply Last reply Reply Quote 0
                          • S
                            shahid3507
                            last edited by

                            No I can't @johnpoz

                            1 Reply Last reply Reply Quote 0
                            • johnpozJ
                              johnpoz LAYER 8 Global Moderator
                              last edited by

                              What is your routing on your aws side show you how to get to your lan network?

                              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

                              1 Reply Last reply Reply Quote 0
                              • S
                                shahid3507
                                last edited by

                                There was a need to add route for specific traffic and change the OpenVPN settings to act as site to site VPN.
                                It is now working.

                                Thanks for your help @johnpoz @Rico

                                1 Reply Last reply Reply Quote 0
                                • First post
                                  Last post
                                Copyright 2025 Rubicon Communications LLC (Netgate). All rights reserved.