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I know the title doesn't describe the problem but it is more complicated than a title...

 

I was following the OpenVPN tutorial from Hak5 that was posted recently. I followed it VERY closely besides naming my server and client differently. I know my way around Linux though not a pro but here is what I have tried (I tried these all under root just in case).

 

# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether fa:16:3e:95:61:ab brd ff:ff:ff:ff:ff:ff
    inet SERVERIP/32 brd SERVERIP scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::f816:3eff:fe95:61ab/64 scope link
       valid_lft forever preferred_lft forever
# ifconfig
eth0      Link encap:Ethernet  HWaddr fa:16:3e:95:61:ab
          inet addr:SERVERIP  Bcast:SERVERIP  Mask:255.255.255.255
          inet6 addr: fe80::f816:3eff:fe95:61ab/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:109196 errors:0 dropped:0 overruns:0 frame:0
          TX packets:90345 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:11802396 (11.2 MiB)  TX bytes:13847838 (13.2 MiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:2 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:88 (88.0 B)  TX bytes:88 (88.0 B)
# ufw status
Status: active

To                         Action      From
--                         ------      ----
22                         ALLOW       Anywhere
1194/udp                   ALLOW       Anywhere
# ps aux | grep openvpn
root      7356  0.0  0.0  12664  1544 pts/0    S+   18:46   0:00 grep openvpn
# nmap -sU 127.0.0.1

Starting Nmap 6.47 ( http://nmap.org ) at 2016-07-19 18:47 EDT
Nmap scan report for localhost (127.0.0.1)
Host is up (0.000012s latency).
Not shown: 999 closed ports
PORT     STATE         SERVICE
5353/udp open|filtered zeroconf

Nmap done: 1 IP address (1 host up) scanned in 3.60 seconds
# dmesg | grep openvpn
# service openvpn status
● openvpn.service - OpenVPN service
   Loaded: loaded (/lib/systemd/system/openvpn.service; enabled)
   Active: active (exited) since Mon 2016-07-18 23:02:06 EDT; 19h ago
  Process: 494 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
 Main PID: 494 (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/openvpn.service

 

nmap scanning from outside the VPN also doesn't show anything open besides SSH. What I think is wrong is that there is no tun interface.

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