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    Open VPN Server Issue

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    • V
      vinayks76
      last edited by

      Hi,
      I am using pfsense 2.4.4 as My Firewall. I am getting following errors. I am a bit new to Pfsense and Open VPN.
      FreeBSD ifconfig failed: external program exited with error status: 1. Kindly advice me
      I am also getting the error : could not detrmine ipv4/ipv6 protocol. using AF_INET6

      Kindly advice

      1 Reply Last reply Reply Quote 0
      • DerelictD
        Derelict LAYER 8 Netgate
        last edited by

        You are probably trying to add a route to the routing table that already exists.

        You didn't provide enough log entries to tell.

        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
        • V
          vinayks76
          last edited by

          Kindly have a look at my server logs

          Apr 15 20:49:14 openvpn 9600 NOTE: the current –script-security setting may allow this configuration to call user-defined scripts
          Apr 15 20:49:14 openvpn 10581 disabling NCP mode (--ncp-disable) because not in P2MP client or server mode
          Apr 15 20:49:14 openvpn 10581 OpenVPN 2.4.5 amd64-portbld-freebsd11.1 [SSL (OpenSSL)] [LZO] [LZ4] [MH/RECVDA] [AEAD] built on Apr 2 2018
          Apr 15 20:49:14 openvpn 10581 library versions: OpenSSL 1.0.2m-freebsd 2 Nov 2017, LZO 2.10
          Apr 15 20:49:14 openvpn 10599 NOTE: the current –script-security setting may allow this configuration to call user-defined scripts
          Apr 15 20:49:14 openvpn 9600 TUN/TAP device ovpns1 exists previously, keep at program end
          Apr 15 20:49:14 openvpn 9600 TUN/TAP device /dev/tun1 opened
          Apr 15 20:49:14 openvpn 9600 ioctl(TUNSIFMODE): Device busy (errno=16)
          Apr 15 20:49:14 openvpn 9600 do_ifconfig, tt->did_ifconfig_ipv6_setup=0
          Apr 15 20:49:14 openvpn 9600 /sbin/ifconfig ovpns1 192.168.10.1 192.168.10.2 mtu 1500 netmask 255.255.255.0 up
          Apr 15 20:49:15 openvpn 9600 /usr/local/sbin/ovpn-linkup ovpns1 1500 1621 192.168.10.1 255.255.255.0 init
          Apr 15 20:49:15 openvpn 10599 TUN/TAP device ovpnc2 exists previously, keep at program end
          Apr 15 20:49:15 openvpn 10599 TUN/TAP device /dev/tun2 opened
          Apr 15 20:49:15 openvpn 10599 ioctl(TUNSIFMODE): Device busy (errno=16)
          Apr 15 20:49:15 openvpn 10599 do_ifconfig, tt->did_ifconfig_ipv6_setup=0
          Apr 15 20:49:15 openvpn 10599 /sbin/ifconfig ovpnc2 192.168.10.2 192.168.10.1 mtu 1500 netmask 255.255.255.255 up
          Apr 15 20:49:15 openvpn 10599 FreeBSD ifconfig failed: external program exited with error status: 1
          Apr 15 20:49:15 openvpn 10599 Exiting due to fatal error
          Apr 15 20:49:15 openvpn 9600 Could not determine IPv4/IPv6 protocol. Using AF_INET6
          Apr 15 20:49:15 openvpn 9600 setsockopt(IPV6_V6ONLY=0)
          Apr 15 20:49:15 openvpn 9600 UDPv6 link local (bound): [AF_INET6][undef]:1194
          Apr 15 20:49:15 openvpn 9600 UDPv6 link remote: [AF_UNSPEC]
          Apr 15 20:49:15 openvpn 9600 Initialization Sequence Completed
          Apr 16 06:51:11 openvpn 8685 WARNING: POTENTIALLY DANGEROUS OPTION –verify-client-cert none|optional (or --client-cert-not-required) may accept clients which do not present a certificate
          Apr 16 06:51:11 openvpn 8685 OpenVPN 2.4.5 amd64-portbld-freebsd11.1 [SSL (OpenSSL)] [LZO] [LZ4] [MH/RECVDA] [AEAD] built on Apr 2 2018
          Apr 16 06:51:11 openvpn 8685 library versions: OpenSSL 1.0.2m-freebsd 2 Nov 2017, LZO 2.10
          Apr 16 06:51:11 openvpn 8743 GDG: problem writing to routing socket
          Apr 16 06:51:11 openvpn 8743 NOTE: the current –script-security setting may allow this configuration to call user-defined scripts
          Apr 16 06:51:11 openvpn 8743 TUN/TAP device ovpns1 exists previously, keep at program end
          Apr 16 06:51:11 openvpn 8743 TUN/TAP device /dev/tun1 opened
          Apr 16 06:51:11 openvpn 8743 ioctl(TUNSIFMODE): Device busy (errno=16)
          Apr 16 06:51:11 openvpn 8743 do_ifconfig, tt->did_ifconfig_ipv6_setup=0
          Apr 16 06:51:11 openvpn 8743 /sbin/ifconfig ovpns1 192.168.10.1 192.168.10.2 mtu 1500 netmask 255.255.255.0 up
          Apr 16 06:51:11 openvpn 8743 /usr/local/sbin/ovpn-linkup ovpns1 1500 1621 192.168.10.1 255.255.255.0 init
          Apr 16 06:51:11 openvpn 8743 Could not determine IPv4/IPv6 protocol. Using AF_INET6
          Apr 16 06:51:11 openvpn 8743 setsockopt(IPV6_V6ONLY=0)
          Apr 16 06:51:11 openvpn 8743 UDPv6 link local (bound): [AF_INET6][undef]:1194
          Apr 16 06:51:11 openvpn 8743 UDPv6 link remote: [AF_UNSPEC]
          Apr 16 06:51:11 openvpn 8743 Initialization Sequence Completed
          Apr 16 06:51:11 openvpn 10483 disabling NCP mode (–ncp-disable) because not in P2MP client or server mode
          Apr 16 06:51:11 openvpn 10483 OpenVPN 2.4.5 amd64-portbld-freebsd11.1 [SSL (OpenSSL)] [LZO] [LZ4] [MH/RECVDA] [AEAD] built on Apr 2 2018
          Apr 16 06:51:11 openvpn 10483 library versions: OpenSSL 1.0.2m-freebsd 2 Nov 2017, LZO 2.10
          Apr 16 06:51:11 openvpn 10576 NOTE: the current –script-security setting may allow this configuration to call user-defined scripts
          Apr 16 06:51:11 openvpn 10576 TUN/TAP device ovpnc2 exists previously, keep at program end
          Apr 16 06:51:11 openvpn 10576 TUN/TAP device /dev/tun2 opened
          Apr 16 06:51:11 openvpn 10576 ioctl(TUNSIFMODE): Device busy (errno=16)
          Apr 16 06:51:11 openvpn 10576 do_ifconfig, tt->did_ifconfig_ipv6_setup=0
          Apr 16 06:51:11 openvpn 10576 /sbin/ifconfig ovpnc2 192.168.10.2 192.168.10.1 mtu 1500 netmask 255.255.255.255 up
          Apr 16 06:51:11 openvpn 10576 FreeBSD ifconfig failed: external program exited with error status: 1
          Apr 16 06:51:11 openvpn 10576 Exiting due to fatal error

          1 Reply Last reply Reply Quote 0
          • V
            vinayks76
            last edited by

            My client Logs

            Sun Apr 15 21:04:50 2018 OpenVPN 2.4.4 x86_64-w64-mingw32 [SSL (OpenSSL)] [LZO] [LZ4] [PKCS11] [AEAD] built on Sep 26 2017
            Sun Apr 15 21:04:50 2018 Windows version 6.2 (Windows 8 or greater) 64bit
            Sun Apr 15 21:04:50 2018 library versions: OpenSSL 1.0.2l  25 May 2017, LZO 2.10
            Enter Management Password:
            Sun Apr 15 21:04:57 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Sun Apr 15 21:04:57 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Sun Apr 15 21:04:57 2018 setsockopt(IPV6_V6ONLY=0)
            Sun Apr 15 21:04:57 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Sun Apr 15 21:04:57 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:39:50 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:39:50 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:39:55 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:39:55 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:39:55 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:39:55 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:39:55 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:41:55 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:41:55 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:42:00 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:42:00 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:42:00 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:42:00 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:42:00 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:44:00 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:44:00 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:44:05 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:44:05 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:44:05 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:44:05 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:44:05 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:46:05 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:46:05 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:46:10 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:46:10 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:46:10 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:46:10 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:46:10 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:48:10 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:48:10 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:48:20 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:48:20 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:48:20 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:48:20 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:48:20 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:50:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:50:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:50:41 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:50:41 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:50:41 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:50:41 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:50:41 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:52:41 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:52:41 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:53:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:53:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:53:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:53:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:53:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:55:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:55:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 08:56:41 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 08:56:41 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 08:56:41 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 08:56:41 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 08:56:41 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 08:58:41 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 08:58:41 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:01:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:01:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:01:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:01:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:01:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:03:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:03:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:08:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:08:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:08:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:08:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:08:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:10:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:10:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:15:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:15:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:15:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:15:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:15:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:17:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:17:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:22:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:22:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:22:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:22:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:22:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:24:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:24:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:29:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:29:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:29:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:29:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:29:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:31:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:31:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:36:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:36:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:36:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:36:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:36:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:38:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:38:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:43:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:43:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:43:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:43:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:43:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:45:21 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:45:21 2018 SIGUSR1[soft,ping-restart] received, process restarting
            Mon Apr 16 09:50:21 2018 WARNING: No server certificate verification method has been enabled.  See http://openvpn.net/howto.html#mitm for more info.
            Mon Apr 16 09:50:21 2018 Could not determine IPv4/IPv6 protocol. Using AF_INET6
            Mon Apr 16 09:50:21 2018 setsockopt(IPV6_V6ONLY=0)
            Mon Apr 16 09:50:21 2018 UDPv6 link local (bound): [AF_INET6][undef]:1194
            Mon Apr 16 09:50:21 2018 UDPv6 link remote: [AF_UNSPEC]
            Mon Apr 16 09:52:22 2018 [UNDEF] Inactivity timeout (–ping-restart), restarting
            Mon Apr 16 09:52:22 2018 SIGUSR1[soft,ping-restart] received, process restarting

            1 Reply Last reply Reply Quote 0
            • DerelictD
              Derelict LAYER 8 Netgate
              last edited by

              Apr 16 06:51:11  openvpn  8743  /sbin/ifconfig ovpns1 192.168.10.1 192.168.10.2 mtu 1500 netmask 255.255.255.0 up
              Apr 16 06:51:11  openvpn  8743  /usr/local/sbin/ovpn-linkup ovpns1 1500 1621 192.168.10.1 255.255.255.0 init
              Apr 16 06:51:11  openvpn  10576  /sbin/ifconfig ovpnc2 192.168.10.2 192.168.10.1 mtu 1500 netmask 255.255.255.255 up
              Apr 16 06:51:11  openvpn  10576  FreeBSD ifconfig failed: external program exited with error status: 1

              Looks like the same tunnel network being used by ovpns1 (server 1) as ovpnc2 (client 2) on the "Server"

              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
              • V
                vinayks76
                last edited by

                How to trouble shoot that. If you are ok , i can give my server to remote login. Kindly help me. I am using any desk / Team viewer  :'(

                1 Reply Last reply Reply Quote 0
                • DerelictD
                  Derelict LAYER 8 Netgate
                  last edited by

                  No, I am not going to do that.

                  Change the tunnel network on the server.

                  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
                  • V
                    vinayks76
                    last edited by

                    Sure , i will try that. Thanks a lot for your time..

                    1 Reply Last reply Reply Quote 0
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