on client log
Fri May 20 19:29:56 2011 OpenVPN 2.1.1 i686-pc-mingw32 [SSL] [LZO2] [PKCS11] built on Dec 12 2009
Fri May 20 19:29:56 2011 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Fri May 20 19:29:56 2011 ******* WARNING *******: null cipher specified, no encryption will be used
Fri May 20 19:29:56 2011 LZO compression initialized
Fri May 20 19:29:56 2011 UDPv4 link local (bound): [undef]:9200
Fri May 20 19:29:56 2011 UDPv4 link remote:xxx.xxx.xxx.xxx:9200
Fri May 20 19:29:57 2011 WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this
Fri May 20 19:30:06 2011 WARNING: 'link-mtu' is used inconsistently, local='link-mtu 1526', remote='link-mtu 1562'
Fri May 20 19:30:06 2011 WARNING: 'tun-mtu' is used inconsistently, local='tun-mtu 1500', remote='tun-mtu 1532'
Fri May 20 19:30:06 2011 WARNING: 'mtu-dynamic' is present in remote config but missing in local config, remote='mtu-dynamic'
Fri May 20 19:30:07 2011 [server] Peer Connection Initiated with xxx.xxxx.xxx.xxx:9200
Fri May 20 19:30:10 2011 TAP-WIN32 device [Local Area Connection 318] opened: \\.\Global\{EE5B49B3-FBF6-7572-93B8-425I326716E1}.tap
Fri May 20 19:30:10 2011 ERROR: --dev tun also requires --ifconfig
Fri May 20 19:30:10 2011 Exiting
server config
mode server
local x.x.x.x
port 9200
proto udp
dev tun
tls-server
tun-mtu 1500
tun-mtu-extra 32
mssfix max
fragment 1300
ca /etc/openvpn/2.0/keys/ca.crt
cert /etc/openvpn/2.0/keys/server.crt
key /etc/openvpn/2.0/keys/server.key
dh /etc/openvpn/2.0/keys/dh1024.pem
plugin /usr/share/openvpn/plugin/lib/openvpn-auth-pam.so /etc/pam.d/login
client-cert-not-required
username-as-common-name
ifconfig 10.8.0.0 255.255.255.0
push "redirect-gate way def1"
push "dhcp-option DNS 208.67.222.222"
push "dchp-option DNS 4.2.2.1"
keepalive 5 30
cipher none
comp-lzo
persist-key
persist-tun
status server.log
resolve-retry 5
verb 1
mute 5
script-security 2
float
on client side
client
dev tun
remote xx.xx.xx.xx
tls-client
ca server/server-3/ca.crt
ns-cert-type server
proto udp
port 9200
lport 53
resolv-retry infinite
local 0.0.0.0
bind
verb 1
mute 5
comp-lzo
cipher none
auth-user-pass server/password.txt
down "route-gateway dhcp"
down "pull route-method exe"
route-method exe
route-delay 5
reneg-sec 0
redirect-gateway def1
script-security 2
float
please help me
thank you