Запускаю OpenVPN командной /etc/init.d/openvpn start
В логах вот что:
Sat Jul 16 23:09:10 2016 OpenVPN 2.3.4 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [MH] [IPv6] built on Nov 12 2015
Sat Jul 16 23:09:10 2016 library versions: OpenSSL 1.0.1t 3 May 2016, LZO 2.08
Sat Jul 16 23:09:10 2016 Diffie-Hellman initialized with 2048 bit key
Sat Jul 16 23:09:10 2016 Control Channel Authentication: using 'ta.key' as a OpenVPN static key file
Sat Jul 16 23:09:10 2016 Outgoing Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
Sat Jul 16 23:09:10 2016 Incoming Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
Sat Jul 16 23:09:10 2016 Socket Buffers: R=[212992->131072] S=[212992->131072]
Sat Jul 16 23:09:10 2016 ROUTE_GATEWAY 10.0.0.1/255.255.255.0 IFACE=eth0 HWADDR=00:0d:3a:23:c2:1d
Sat Jul 16 23:09:10 2016 TUN/TAP device tun0 opened
Sat Jul 16 23:09:10 2016 TUN/TAP TX queue length set to 100
Sat Jul 16 23:09:10 2016 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0
Sat Jul 16 23:09:10 2016 /sbin/ip link set dev tun0 up mtu 1500
Sat Jul 16 23:09:10 2016 /sbin/ip addr add dev tun0 local 10.8.0.1 peer 10.8.0.2
Sat Jul 16 23:09:10 2016 /sbin/ip route add 10.8.0.0/24 via 10.8.0.2
Sat Jul 16 23:09:10 2016 UDPv4 link local (bound): [undef]
Sat Jul 16 23:09:10 2016 UDPv4 link remote: [undef]
Sat Jul 16 23:09:10 2016 MULTI: multi_init called, r=256 v=256
Sat Jul 16 23:09:10 2016 IFCONFIG POOL: base=10.8.0.4 size=62, ipv6=0
Sat Jul 16 23:09:10 2016 IFCONFIG POOL LIST
Sat Jul 16 23:09:10 2016 Initialization Sequence Completed
А в netstat -tl открытого порта нет:
root@dev:~# netstat -tl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 *:https *:* LISTEN
tcp 0 0 *:http *:* LISTEN
tcp 0 0 *:ssh *:* LISTEN
tcp6 0 0 [::]:ssh [::]:* LISTEN
Настраивал по этой инструкции https://codebeer.ru/nastrojka-openvpn-v-debian/ Никаких проблем в процессе настройки не возникало.