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    Valid configuration for IKEv2 VPN for iOS and OSX

    Scheduled Pinned Locked Moved IPsec
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    • DerelictD
      Derelict LAYER 8 Netgate
      last edited by

      The problem isn't really Apple clients, it is the macOS server backend.

      I am about ready to give up on it here.

      Chattanooga, Tennessee, USA
      A comprehensive network diagram is worth 10,000 words and 15 conference calls.
      DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
      Do Not Chat For Help! NO_WAN_EGRESS(TM)

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      • I
        imushroom
        last edited by imushroom

        Hey,

        i want to reply to this old topic because I have some problems connecting.

        When I Try to connected the message appears, that there is an authorization error.

        Is here any way to debug the connection establishment?

        Have to ADD:

        I am trying this with OSX 10.14.1
        and pFSense latest stable build

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        • I
          imushroom
          last edited by imushroom

          Here something from my log... On mAc OSX is no log for ikev2 connections available.

          Pls Someone help me.....

          Dec 23 18:28:39 charon 12[CFG] vici client 34 disconnected
          Dec 23 18:28:39 charon 12[CFG] vici client 34 requests: list-sas
          Dec 23 18:28:39 charon 13[CFG] vici client 34 registered for: list-sa
          Dec 23 18:28:39 charon 13[CFG] vici client 34 connected
          Dec 23 18:28:35 charon 13[CFG] vici client 33 disconnected
          Dec 23 18:28:35 charon 13[CFG] vici client 33 requests: list-sas
          Dec 23 18:28:35 charon 12[CFG] vici client 33 registered for: list-sa
          Dec 23 18:28:35 charon 14[CFG] vici client 33 connected
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> IKE_SA bypasslan[6] state change: CONNECTING => DESTROYING
          Dec 23 18:28:15 charon 12[NET] <bypasslan|6> sending packet: from xxx.xxx.xxx.xx[4500] to xx.xxx.xxx.xx[2324] (80 bytes)
          Dec 23 18:28:15 charon 12[ENC] <bypasslan|6> generating IKE_AUTH response 1 [ N(AUTH_FAILED) ]
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> peer supports MOBIKE
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> received ESP_TFC_PADDING_NOT_SUPPORTED, not using ESPv3 TFC padding
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing (25) attribute
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing INTERNAL_IP6_DNS attribute
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing INTERNAL_IP6_DHCP attribute
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing INTERNAL_IP6_ADDRESS attribute
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing INTERNAL_IP4_NETMASK attribute
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing INTERNAL_IP4_DNS attribute
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing INTERNAL_IP4_DHCP attribute
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> processing INTERNAL_IP4_ADDRESS attribute
          Dec 23 18:28:15 charon 12[CFG] <bypasslan|6> no alternative config found
          Dec 23 18:28:15 charon 12[IKE] <bypasslan|6> peer requested EAP, config unacceptable
          Dec 23 18:28:15 charon 12[CFG] <bypasslan|6> selected peer config 'bypasslan'
          Dec 23 18:28:15 charon 12[CFG] <6> ignore candidate 'con-mobile' without matching IKE proposal
          Dec 23 18:28:15 charon 12[CFG] <6> candidate "con-mobile", match: 20/1/1052 (me/other/ike)
          Dec 23 18:28:15 charon 12[CFG] <6> candidate "bypasslan", match: 1/1/24 (me/other/ike)
          Dec 23 18:28:15 charon 12[CFG] <6> looking for peer configs matching xx.xxx.xxx.xx[xxxx.dyndns.org]...xx.xxx.xxx.xx[tobi]
          Dec 23 18:28:15 charon 12[IKE] <6> received cert request for "CN=xxxxxxx.dyndns.org, C=DE, ST=xxxx, L=xxxx, O=Private"
          Dec 23 18:28:15 charon 12[ENC] <6> parsed IKE_AUTH request 1 [ IDi N(INIT_CONTACT) N(MOBIKE_SUP) IDr CERTREQ CPRQ(ADDR DHCP DNS MASK ADDR6 DHCP6 DNS6 (25)) N(ESP_TFC_PAD_N) N(NON_FIRST_FRAG) SA TSi TSr ]
          Dec 23 18:28:15 charon 12[ENC] <6> unknown attribute type (25)
          Dec 23 18:28:15 charon 12[NET] <6> received packet: from xx.xxx.xxx.xx[2324] to xx.xxx.xxx.xx[4500] (384 bytes)
          Dec 23 18:28:15 charon 12[NET] <6> sending packet: from xx.xxx.xxx.xx[500] to xx.xxx.xxx.xx[500] (313 bytes)
          Dec 23 18:28:15 charon 12[ENC] <6> generating IKE_SA_INIT response 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) CERTREQ N(FRAG_SUP) N(MULT_AUTH) ]
          Dec 23 18:28:15 charon 12[IKE] <6> sending cert request for "CN=internalVPNCA, C=DE, ST=xxxxx, L=xxxxx, O=Private"
          Dec 23 18:28:15 charon 12[IKE] <6> remote host is behind NAT
          Dec 23 18:28:15 charon 12[CFG] <6> selected proposal: IKE:AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/ECP_384
          Dec 23 18:28:15 charon 12[CFG] <6> configured proposals: IKE:AES_CBC_128/AES_CBC_192/AES_CBC_256/CAMELLIA_CBC_128/CAMELLIA_CBC_192/CAMELLIA_CBC_256/3DES_CBC/HMAC_SHA2_256_128/HMAC_SHA2_384_192/HMAC_SHA2_512_256/HMAC_SHA1_96/AES_XCBC_96/AES_CMAC_96/PRF_HMAC_SHA2_256/PRF_HMAC_SHA2_384/PRF_HMAC_SHA2_512/PRF_AES128_XCBC/PRF_AES128_CMAC/PRF_HMAC_SHA1/ECP_256/ECP_384/ECP_521/ECP_256_BP/ECP_384_BP/ECP_512_BP/CURVE_25519/MODP_3072/MODP_4096/MODP_6144/MODP_8192/MODP_2048, IKE:AES_GCM_16_128/AES_GCM_16_192/AES_GCM_16_256/AES_GCM_12_128/AES_GCM_12_192/AES_GCM_12_256/AES_GCM_8_128/AES_GCM_8_192/AES_GCM_8_256/PRF_HMAC_SHA2_256/PRF_HMAC_SHA2_384/PRF_HMAC_SHA2_512/PRF_AES128_XCBC/PRF_AES128_CMAC/PRF_HMAC_SHA1/ECP_256/ECP_384/ECP_521/ECP_256_BP/ECP_384_BP/ECP_512_BP/CURVE_25519/MODP_3072/MODP_4096/MODP_6144/MODP_8192/MODP_2048
          Dec 23 18:28:15 charon 12[CFG] <6> received proposals: IKE:AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/ECP_384
          Dec 23 18:28:15 charon 12[CFG] <6> proposal matches
          Dec 23 18:28:15 charon 12[CFG] <6> selecting proposal:
          Dec 23 18:28:15 charon 12[IKE] <6> no matching proposal found, trying alternative config
          Dec 23 18:28:15 charon 12[CFG] <6> candidate: xx.xxx.xxx.xx...%any, prio 1052
          Dec 23 18:28:15 charon 12[CFG] <6> candidate: %any...%any, prio 24
          Dec 23 18:28:15 charon 12[CFG] <6> looking for IKEv2 configs for xx.xxx.xxx.xx...xx.xxx.xxx.xx
          Dec 23 18:28:15 charon 12[CFG] <6> configured proposals: IKE:AES_GCM_16_256/PRF_HMAC_SHA2_384/ECP_384
          Dec 23 18:28:15 charon 12[CFG] <6> received proposals: IKE:AES_CBC_256/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/ECP_384
          Dec 23 18:28:15 charon 12[CFG] <6> no acceptable ENCRYPTION_ALGORITHM found
          Dec 23 18:28:15 charon 12[CFG] <6> selecting proposal:
          Dec 23 18:28:15 charon 12[IKE] <6> IKE_SA (unnamed)[6] state change: CREATED => CONNECTING

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          • DerelictD
            Derelict LAYER 8 Netgate
            last edited by

            @imushroom said in Valid configuration for IKEv2 VPN for iOS and OSX:

            ignore candidate 'con-mobile' without matching IKE proposal

            Probably be better off posting a new thread. The forum tried to warn you. When you do post your IKEv2mobile configuration.

            Chattanooga, Tennessee, USA
            A comprehensive network diagram is worth 10,000 words and 15 conference calls.
            DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
            Do Not Chat For Help! NO_WAN_EGRESS(TM)

            1 Reply Last reply Reply Quote 0
            • K
              Konstanti @imushroom
              last edited by Konstanti

              @imushroom Hey
              Create a new thread and I'll write there what to do
              Show the phase 1 and phase 2 IPSEC PFSense settings there and install Apple Configurator 2 from the App Store
              or
              https://wiki.strongswan.org/projects/strongswan/wiki/AppleClients
              https://wiki.strongswan.org/projects/strongswan/wiki/AppleIKEv2Profile

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              • I
                imushroom
                last edited by

                Hey,

                @Konstanti thanks for your reply. I try to find time after the holidays to create a new topic.

                I already installed the Apple Configurator 2.

                K 2 Replies Last reply Reply Quote 0
                • K
                  Konstanti @imushroom
                  last edited by

                  This post is deleted!
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                  • K
                    Konstanti @imushroom
                    last edited by Konstanti

                    @imushroom Hope this helps you
                    https://grokdesigns.com/pfsense-ikev2-for-ios-macos-1/

                    All well-written
                    Part three - how to use Apple Configurator

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                    • P
                      paulholloway2019 @shpokas
                      last edited by

                      @shpokas said in Valid configuration for IKEv2 VPN for iOS and OSX:

                      This hint worked for me, on both IOS and OS X.
                      https://lists.strongswan.org/pipermail/users/2015-October/008842.html

                      For details on my setup, please see https://forum.cheapessaywriter.org/index.php?topic=106694.0

                      Thank you for the link. Helped me to find a solution to my dns settings on ios.

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                      • I
                        imushroom
                        last edited by imushroom

                        After month of a working vpn my HDD was destroyed and I had no backup, I used the bad thing to turn it into something good - a clean pfSense and a perfect setup.

                        But now I have some trouble with the Encryption.

                        I currently use for phase 1 :

                        AES 256bits SHA384 DH:20

                        And for Phase 2 :

                        AES 256bits SHA384 DH:20

                        Is this secure enough?

                        When I try to follow the tutorial it doesnt work. The Hash algorithm is also grey in Apple Configurator when I chose AES-256 GCM.

                        Where is my mistake?

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