server.conf

push "route 192.168.1.0 255.255.255.0"
server 10.8.0.0 255.255.255.0
dev tun0
proto udp
keepalive 10 120
dh /tmp/openvpn/dh.pem
ca /tmp/openvpn/ca.crt
cert /tmp/openvpn/cert.pem
key /tmp/openvpn/key.pem

firewall

iptables -I INPUT 1 -p udp --dport 1194 -j ACCEPT
iptables -I FORWARD 1 --source 10.8.0.0/24 -j ACCEPT

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
10.8.0.5        0.0.0.0         255.255.255.255 UH    0      0        0 tun0
10.8.0.1        10.8.0.5        255.255.255.255 UGH   0      0        0 tun0
192.168.34.0    0.0.0.0         255.255.255.0   U     0      0        0 eth0
192.168.1.0     10.8.0.5        255.255.255.0   UG    0      0        0 tun0
172.16.42.0     0.0.0.0         255.255.255.0   U     2      0        0 wlan0
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 wlan0
0.0.0.0         172.16.42.1     0.0.0.0         UG    0      0        0 wlan0