Dziękuję za pomoc. Postęp nastąpił - pojawia się informacja w logu serwera gdy klient próbuje się połączyć, ale jeszcze nie działa tak jak powinno. Teraz wygląda to tak.
/etc/init.d/openvpn start
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: OpenVPN 2.3.6 mips-openwrt-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [MH] [IPv6] built on Jul 25 2015
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: library versions: OpenSSL 1.0.2e 3 Dec 2015, LZO 2.08
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: Static Encrypt: Cipher 'BF-CBC' initialized with 128 bit key
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: Static Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: Static Decrypt: Cipher 'BF-CBC' initialized with 128 bit key
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: Static Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: Socket Buffers: R=[163840->131072] S=[163840->131072]
Wed Apr 13 08:38:10 2016 daemon.notice netifd: Interface 'vpn' is enabled
Wed Apr 13 08:38:10 2016 daemon.notice netifd: Network device 'tun0' link is up
Wed Apr 13 08:38:10 2016 daemon.notice netifd: Interface 'vpn' has link connectivity
Wed Apr 13 08:38:10 2016 daemon.notice netifd: Interface 'vpn' is setting up now
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: TUN/TAP device tun0 opened
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: TUN/TAP TX queue length set to 100
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: UDPv4 link local (bound): [undef]
Wed Apr 13 08:38:10 2016 daemon.notice openvpn(my-vpn)[28593]: UDPv4 link remote: [undef]
Wed Apr 13 08:38:10 2016 daemon.err openvpn(sample_server)[28592]: Options error: --server and --secret cannot be used together (you must use SSL/TLS keys)
Wed Apr 13 08:38:10 2016 daemon.warn openvpn(sample_server)[28592]: Use --help for more information.
Wed Apr 13 08:38:10 2016 daemon.notice netifd: Interface 'vpn' is now up
Wed Apr 13 08:38:10 2016 user.notice firewall: Reloading firewall due to ifup of vpn (tun0)
Wed Apr 13 08:38:11 2016 user.notice root: starting ntpclient
Wed Apr 13 08:38:15 2016 daemon.err openvpn(sample_server)[28735]: Options error: --server and --secret cannot be used together (you must use SSL/TLS keys)
Wed Apr 13 08:38:15 2016 daemon.warn openvpn(sample_server)[28735]: Use --help for more information.
Wed Apr 13 08:38:20 2016 daemon.err openvpn(sample_server)[28736]: Options error: --server and --secret cannot be used together (you must use SSL/TLS keys)
Wed Apr 13 08:38:20 2016 daemon.warn openvpn(sample_server)[28736]: Use --help for more information.
Wed Apr 13 08:38:25 2016 daemon.err openvpn(sample_server)[28741]: Options error: --server and --secret cannot be used together (you must use SSL/TLS keys)
Wed Apr 13 08:38:25 2016 daemon.warn openvpn(sample_server)[28741]: Use --help for more information.
Wed Apr 13 08:38:30 2016 daemon.err openvpn(sample_server)[28742]: Options error: --server and --secret cannot be used together (you must use SSL/TLS keys)
Wed Apr 13 08:38:30 2016 daemon.warn openvpn(sample_server)[28742]: Use --help for more information.
Wed Apr 13 08:38:35 2016 daemon.err openvpn(sample_server)[28743]: Options error: --server and --secret cannot be used together (you must use SSL/TLS keys)
Wed Apr 13 08:38:35 2016 daemon.warn openvpn(sample_server)[28743]: Use --help for more information.
Wed Apr 13 08:38:35 2016 daemon.info procd: Instance openvpn::instance1 s in a crash loop 6 crashes, 0 seconds since last crash
przy próbie łączenia kilenta na serwerze pojawia się:
Wed Apr 13 08:49:01 2016 daemon.notice openvpn(my-vpn)[28593]: Peer Connection Initiated with [AF_INET]5.172.247.233:16950
Wed Apr 13 08:49:01 2016 daemon.notice openvpn(my-vpn)[28593]: Initialization Sequence Completed
Wed Apr 13 08:49:01 2016 daemon.err openvpn(my-vpn)[28593]: write to TUN/TAP : Invalid argument (code=22)
Wed Apr 13 08:49:01 2016 daemon.err openvpn(my-vpn)[28593]: write to TUN/TAP : Invalid argument (code=22)
Wed Apr 13 08:49:01 2016 daemon.err openvpn(my-vpn)[28593]: write to TUN/TAP : Invalid argument (code=22)
cat /etc/config/openvpn
config openvpn 'sample_server'
option enabled '1'
option server '1'
option port '1194'
option proto 'udp'
# option dev 'tun0'
# option ca '/etc/openvpn/ca.crt'
# option cert '/etc/openvpn/server.crt'
# option key '/etc/openvpn/secret.key'
# option dh '/etc/openvpn/dh1024.pem'
option server '10.8.0.0 255.255.255.0'
# option ifconfig_pool_persist '/tmp/ipp.txt'
option keepalive '10 120'
# option comp_lzo 'yes'
option persist_key '1'
# option persist 'key'
option persist_tun '1'
# option user 'nobody'
option status '/tmp/openvpn.log'
option verb '3'
option secret '/etc/openvpn/secret.key'
cat /tmp/openvpn.log
OpenVPN STATISTICS
Updated,Wed Apr 13 09:07:15 2016
TUN/TAP read bytes,0
TUN/TAP write bytes,0
TCP/UDP read bytes,65192
TCP/UDP write bytes,0
Auth read bytes,50277
END
klient ubuntu: /etc/openvpn/openvpn.log
Wed Apr 13 08:49:42 2016 OpenVPN 2.3.2 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Dec 1 2014
Wed Apr 13 08:49:42 2016 WARNING: you are using user/group/chroot/setcon without persist-tun -- this may cause restarts to fail
Wed Apr 13 08:49:42 2016 WARNING: file '/etc/openvpn/1.key' is group or others accessible
Wed Apr 13 08:49:42 2016 TUN/TAP device tun0 opened
Wed Apr 13 08:49:42 2016 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0
Wed Apr 13 08:49:42 2016 /sbin/ip link set dev tun0 up mtu 1500
Wed Apr 13 08:49:42 2016 /sbin/ip addr add dev tun0 local 10.8.0.2 peer 10.8.0.1
Wed Apr 13 08:49:43 2016 GID set to nogroup
Wed Apr 13 08:49:43 2016 UID set to nobody
Wed Apr 13 08:49:43 2016 UDPv4 link local: [undef]
Wed Apr 13 08:49:43 2016 UDPv4 link remote: [AF_INET]178.183.228.132:1194
RTNETLINK answers: Operation not permitted
Wed Apr 13 08:50:35 2016 ERROR: Linux route delete command failed: external program exited with error status: 2
RTNETLINK answers: Operation not permitted
Wed Apr 13 08:50:35 2016 ERROR: Linux route delete command failed: external program exited with error status: 2
RTNETLINK answers: Operation not permitted
Wed Apr 13 08:50:35 2016 ERROR: Linux route delete command failed: external program exited with error status: 2
RTNETLINK answers: Operation not permitted
Wed Apr 13 08:50:35 2016 ERROR: Linux route add command failed: external program exited with error status: 2
Wed Apr 13 08:50:35 2016 /sbin/ip addr del dev tun0 local 10.8.0.2 peer 10.8.0.1
RTNETLINK answers: Operation not permitted
Wed Apr 13 08:50:35 2016 Linux ip addr del failed: external program exited with error status: 2
Wed Apr 13 08:50:35 2016 SIGTERM[hard,] received, process exiting
cat /etc/openvpn/client.conf
remote kiton.homenet.org 1194
dev tun
comp-lzo adaptive
keepalive 15 60
ifconfig 10.8.0.2 10.8.0.1
secret /etc/openvpn/1.key
route 192.168.1.0 255.255.255.0
persist-key
nobind
redirect-gateway
dhcp-option DNS 192.168.123.1
user nobody
group nogroup
log openvpn.log
status openvpn-status.log