Tema: Re: HELP! OpenVPN
Autorius: Pluss
Data: 2009-01-21 10:02:14
O gali dabar man pasakytu kuri cia IP yra tavo LAN1, LAN2 ?

Robertas wrote:
> # Uncomment this directive to allow different
> # clients to be able to "see" each other.
> # By default, clients will only see the server.
> # To force clients to only see the server, you
> # will also need to appropriately firewall the
> # server's TUN/TAP interface.
> ;client-to-client
> 
> o dar paprasciau mano veikiantis cfg.
> local 10.0.0.200
> proto udp
> port 1194
> dev tun0
> ca /etc/openvpn/easy-rsa/keys/ca.crt
> cert /etc/openvpn/easy-rsa/keys/mail.crt
> key /etc/openvpn/easy-rsa/keys/mail.key  # This file should be kept secret
> dh /etc/openvpn/easy-rsa/keys/dh1024.pem
> server 172.16.11.0 255.255.255.0
> push "route 10.0.0.0 255.0.0.0"
> push "route 172.16.11.0 255.255.255.0"
> ifconfig-pool-persist /var/tmp/ipp.txt
> client-config-dir /etc/openvpn/ccd
> client-to-client
> keepalive 10 120
> comp-lzo
> user nobody
> group nogroup
> persist-key
> persist-tun
> status /var/log/openvpn/openvpn-status.log
> log /var/log/openvpn.log
> max-clients 15
> verb 5
> 
> Pluss wrote:
>> Sveiki.
>> Reikia pagalbos su OpenVPN.
>> Imones LAN'as 192.168.0.0 (visi iseina per Gateway 192.168.0.254 (Linux,
>> Debian)). Tarkim as jungiuosi is namu (Point to Point) prie imones.
>> Susijungti susijungia be problemu, tik as is namu negaliu pasiekti nei
>> vieno IP (pinginau), o is Gateway namu PC pasiekiu (192.168.2.6).
>> Reiketu kad klientai galetu pasiekti visus imones PC esancius 192.168.0.0.
>>
>> Kai ant gw startuoja OpenVPN, susikuria interface tun0:
>> inet addr:192.168.2.1  P-t-P:192.168.2.2  Mask:255.255.255.255
>>
>> O namie:
>> inet addr:192.168.2.6  P-t-P:192.168.2.5  Mask:255.255.255.255
>>
>> Pridedu zemiau Serverio ir kliento konfigus.
>> Jei kas susipazines su OpenVPN, gal kas pagelbetumete?
>>
>>
>> Dekui isanksto.
>>
>> #############################Server conf#############################
>> #
>> # Which local IP address should OpenVPN
>> # listen on? (optional)
>> local AAA.BBB.CCC.DDD # VPN serverio isorinis IP
>>
>> # Which TCP/UDP port should OpenVPN listen on?
>> # If you want to run multiple OpenVPN instances
>> # on the same machine, use a different port
>> # number for each one.  You will need to
>> # open up this port on your firewall.
>> port 1194
>>
>> # TCP or UDP server?
>> ;proto tcp
>> proto udp
>>
>> # "dev tun" will create a routed IP tunnel,
>> # "dev tap" will create an ethernet tunnel.
>> # Use "dev tap0" if you are ethernet bridging
>> # and have precreated a tap0 virtual interface
>> # and bridged it with your ethernet interface.
>> # If you want to control access policies
>> # over the VPN, you must create firewall
>> # rules for the the TUN/TAP interface.
>> # On non-Windows systems, you can give
>> # an explicit unit number, such as tun0.
>> # On Windows, use "dev-node" for this.
>> # On most systems, the VPN will not function
>> # unless you partially or fully disable
>> # the firewall for the TUN/TAP interface.
>> ;dev tap
>> dev tun
>>
>> # Windows needs the TAP-Win32 adapter name
>> # from the Network Connections panel if you
>> # have more than one.  On XP SP2 or higher,
>> # you may need to selectively disable the
>> # Windows firewall for the TAP adapter.
>> # Non-Windows systems usually don't need this.
>> ;dev-node MyTap
>>
>> # SSL/TLS root certificate (ca), certificate
>> # (cert), and private key (key).  Each client
>> # and the server must have their own cert and
>> # key file.  The server and all clients will
>> # use the same ca file.
>> #
>> # See the "easy-rsa" directory for a series
>> # of scripts for generating RSA certificates
>> # and private keys.  Remember to use
>> # a unique Common Name for the server
>> # and each of the client certificates.
>> #
>> # Any X509 key management system can be used.
>> # OpenVPN can also use a PKCS #12 formatted key file
>> # (see "pkcs12" directive in man page).
>> ca /etc/openvpn/easy-rsa/keys/ca.crt
>> cert /etc/openvpn/easy-rsa/keys/server.crt
>> key /etc/openvpn/easy-rsa/keys/server.key  # This file should be kept
>> secret
>>
>> # Diffie hellman parameters.
>> # Generate your own with:
>> #   openssl dhparam -out dh1024.pem 1024
>> # Substitute 2048 for 1024 if you are using
>> # 2048 bit keys.
>> dh /etc/openvpn/easy-rsa/keys/dh1024.pem
>>
>> # Configure server mode and supply a VPN subnet
>> # for OpenVPN to draw client addresses from.
>> # The server will take 10.8.0.1 for itself,
>> # the rest will be made available to clients.
>> # Each client will be able to reach the server
>> # on 10.8.0.1. Comment this line out if you are
>> # ethernet bridging. See the man page for more info.
>> server 192.168.2.0 255.255.255.0
>>
>> # Maintain a record of client <-> virtual IP address
>> # associations in this file.  If OpenVPN goes down or
>> # is restarted, reconnecting clients can be assigned
>> # the same virtual IP address from the pool that was
>> # previously assigned.
>> ifconfig-pool-persist ipp.txt
>>
>> # Configure server mode for ethernet bridging.
>> # You must first use your OS's bridging capability
>> # to bridge the TAP interface with the ethernet
>> # NIC interface.  Then you must manually set the
>> # IP/netmask on the bridge interface, here we
>> # assume 10.8.0.4/255.255.255.0.  Finally we
>> # must set aside an IP range in this subnet
>> # (start=10.8.0.50 end=10.8.0.100) to allocate
>> # to connecting clients.  Leave this line commented
>> # out unless you are ethernet bridging.
>> ;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100
>>
>> # Push routes to the client to allow it
>> # to reach other private subnets behind
>> # the server.  Remember that these
>> # private subnets will also need
>> # to know to route the OpenVPN client
>> # address pool (10.8.0.0/255.255.255.0)
>> # back to the OpenVPN server.
>> ;push "route 192.168.10.0 255.255.255.0"
>> ;push "route 192.168.20.0 255.255.255.0"
>>
>> # To assign specific IP addresses to specific
>> # clients or if a connecting client has a private
>> # subnet behind it that should also have VPN access,
>> # use the subdirectory "ccd" for client-specific
>> # configuration files (see man page for more info).
>>
>> # EXAMPLE: Suppose the client
>> # having the certificate common name "Thelonious"
>> # also has a small subnet behind his connecting
>> # machine, such as 192.168.40.128/255.255.255.248.
>> # First, uncomment out these lines:
>> client-config-dir ccd
>> route 192.168.2.6 255.255.255.0
>> # Then create a file ccd/Thelonious with this line:
>> #   iroute 192.168.40.128 255.255.255.248
>> # This will allow Thelonious' private subnet to
>> # access the VPN.  This example will only work
>> # if you are routing, not bridging, i.e. you are
>> # using "dev tun" and "server" directives.
>>
>> # EXAMPLE: Suppose you want to give
>> # Thelonious a fixed VPN IP address of 10.9.0.1.
>> # First uncomment out these lines:
>> client-config-dir ccd
>> route 192.168.2.0 255.255.255.0
>> # Then add this line to ccd/Thelonious:
>> #   ifconfig-push 10.9.0.1 10.9.0.2
>>
>> # Suppose that you want to enable different
>> # firewall access policies for different groups
>> # of clients.  There are two methods:
>> # (1) Run multiple OpenVPN daemons, one for each
>> #     group, and firewall the TUN/TAP interface
>> #     for each group/daemon appropriately.
>> # (2) (Advanced) Create a script to dynamically
>> #     modify the firewall in response to access
>> #     from different clients.  See man
>> #     page for more info on learn-address script.
>> ;learn-address ./script
>>
>> # If enabled, this directive will configure
>> # all clients to redirect their default
>> # network gateway through the VPN, causing
>> # all IP traffic such as web browsing and
>> # and DNS lookups to go through the VPN
>> # (The OpenVPN server machine may need to NAT
>> # the TUN/TAP interface to the internet in
>> # order for this to work properly).
>> # CAVEAT: May break client's network config if
>> # client's local DHCP server packets get routed
>> # through the tunnel.  Solution: make sure
>> # client's local DHCP server is reachable via
>> # a more specific route than the default route
>> # of 0.0.0.0/0.0.0.0.
>> ;push "redirect-gateway"
>>
>> # Certain Windows-specific network settings
>> # can be pushed to clients, such as DNS
>> # or WINS server addresses.  CAVEAT:
>> # http://openvpn.net/faq.html#dhcpcaveats
>> push "dhcp-option DNS 192.168.0.241"
>> push "dhcp-option WINS 192.168.0.241"
>>
>> # Uncomment this directive to allow different
>> # clients to be able to "see" each other.
>> # By default, clients will only see the server.
>> # To force clients to only see the server, you
>> # will also need to appropriately firewall the
>> # server's TUN/TAP interface.
>> ;client-to-client
>>
>> # Uncomment this directive if multiple clients
>> # might connect with the same certificate/key
>> # files or common names.  This is recommended
>> # only for testing purposes.  For production use,
>> # each client should have its own certificate/key
>> # pair.
>> #
>> # IF YOU HAVE NOT GENERATED INDIVIDUAL
>> # CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
>> # EACH HAVING ITS OWN UNIQUE "COMMON NAME",
>> # UNCOMMENT THIS LINE OUT.
>> ;duplicate-cn
>>
>> # The keepalive directive causes ping-like
>> # messages to be sent back and forth over
>> # the link so that each side knows when
>> # the other side has gone down.
>> # Ping every 10 seconds, assume that remote
>> # peer is down if no ping received during
>> # a 120 second time period.
>> keepalive 10 120
>>
>> # For extra security beyond that provided
>> # by SSL/TLS, create an "HMAC firewall"
>> # to help block DoS attacks and UDP port flooding.
>> #
>> # Generate with:
>> #   openvpn --genkey --secret ta.key
>> #
>> # The server and each client must have
>> # a copy of this key.
>> # The second parameter should be '0'
>> # on the server and '1' on the clients.
>> tls-auth /etc/openvpn/easy-rsa/keys/tlsauth.key 0 # This file is secret
>> tls-server
>>
>> # Select a cryptographic cipher.
>> # This config item must be copied to
>> # the client config file as well.
>> cipher BF-CBC        # Blowfish (default)
>> ;cipher AES-128-CBC   # AES
>> ;cipher DES-EDE3-CBC  # Triple-DES
>>
>> # Enable compression on the VPN link.
>> # If you enable it here, you must also
>> # enable it in the client config file.
>> comp-lzo
>>
>> # The maximum number of concurrently connected
>> # clients we want to allow.
>> max-clients 100
>>
>> # It's a good idea to reduce the OpenVPN
>> # daemon's privileges after initialization.
>> #
>> # You can uncomment this out on
>> # non-Windows systems.
>> user nobody
>> group nogroup
>>
>> # The persist options will try to avoid
>> # accessing certain resources on restart
>> # that may no longer be accessible because
>> # of the privilege downgrade.
>> persist-key
>> persist-tun
>>
>> # Output a short status file showing
>> # current connections, truncated
>> # and rewritten every minute.
>> status openvpn-status.log
>>
>> # By default, log messages will go to the syslog (or
>> # on Windows, if running as a service, they will go to
>> # the "\Program Files\OpenVPN\log" directory).
>> # Use log or log-append to override this default.
>> # "log" will truncate the log file on OpenVPN startup,
>> # while "log-append" will append to it.  Use one
>> # or the other (but not both).
>> log         openvpn.log
>> ;log-append  openvpn.log
>>
>> # Set the appropriate level of log
>> # file verbosity.
>> #
>> # 0 is silent, except for fatal errors
>> # 4 is reasonable for general usage
>> # 5 and 6 can help to debug connection problems
>> # 9 is extremely verbose
>> verb 4
>>
>> # Silence repeating messages.  At most 20
>> # sequential messages of the same message
>> # category will be output to the log.
>> ;mute 20
>> #
>> ######################################################
>>
>>
>>
>>
>> #############################Client conf#############################
>> #
>> # Specify that we are a client and that we
>> # will be pulling certain config file directives
>> # from the server.
>> client
>>
>> # Use the same setting as you are using on
>> # the server.
>> # On most systems, the VPN will not function
>> # unless you partially or fully disable
>> # the firewall for the TUN/TAP interface.
>> ;dev tap
>> dev tun
>>
>> # Windows needs the TAP-Win32 adapter name
>> # from the Network Connections panel
>> # if you have more than one.  On XP SP2,
>> # you may need to disable the firewall
>> # for the TAP adapter.
>> ;dev-node MyTap
>>
>> # Are we connecting to a TCP or
>> # UDP server?  Use the same setting as
>> # on the server.
>> ;proto tcp
>> proto udp
>>
>> # The hostname/IP and port of the server.
>> # You can have multiple remote entries
>> # to load balance between the servers.
>> remote AAA.BBB.CCC.DDD 1194 # VPN serverio isorinis IP
>> ;remote my-server-2 1194
>>
>> # Choose a random host from the remote
>> # list for load-balancing.  Otherwise
>> # try hosts in the order specified.
>> ;remote-random
>>
>> # Keep trying indefinitely to resolve the
>> # host name of the OpenVPN server.  Very useful
>> # on machines which are not permanently connected
>> # to the internet such as laptops.
>> resolv-retry infinite
>>
>> # Most clients don't need to bind to
>> # a specific local port number.
>> nobind
>>
>> # Downgrade privileges after initialization (non-Windows only)
>> user nobody
>> group nogroup
>>
>> # Try to preserve some state across restarts.
>> persist-key
>> persist-tun
>>
>> # If you are connecting through an
>> # HTTP proxy to reach the actual OpenVPN
>> # server, put the proxy server/IP and
>> # port number here.  See the man page
>> # if your proxy server requires
>> # authentication.
>> ;http-proxy-retry # retry on connection failures
>> ;http-proxy [proxy server] [proxy port #]
>>
>> # Wireless networks often produce a lot
>> # of duplicate packets.  Set this flag
>> # to silence duplicate packet warnings.
>> ;mute-replay-warnings
>>
>> # SSL/TLS parms.
>> # See the server config file for more
>> # description.  It's best to use
>> # a separate .crt/.key file pair
>> # for each client.  A single ca
>> # file can be used for all clients.
>> ca /etc/openvpn/easy-rsa/keys/ca.crt
>> cert /etc/openvpn/easy-rsa/keys/nerijusv.crt
>> key /etc/openvpn/easy-rsa/keys/nerijusv.key
>>
>> # Verify server certificate by checking
>> # that the certicate has the nsCertType
>> # field set to "server".  This is an
>> # important precaution to protect against
>> # a potential attack discussed here:
>> #  http://openvpn.net/howto.html#mitm
>> #
>> # To use this feature, you will need to generate
>> # your server certificates with the nsCertType
>> # field set to "server".  The build-key-server
>> # script in the easy-rsa folder will do this.
>> ##ns-cert-type server
>>
>> # If a tls-auth key is used on the server
>> # then every client must also have the key.
>> tls-auth /etc/openvpn/easy-rsa/keys/tlsauth.key 1
>> tls-client
>>
>> # Select a cryptographic cipher.
>> # If the cipher option is used on the server
>> # then you must also specify it here.
>> ;cipher x
>> cipher BF-CBC
>>
>> # Enable compression on the VPN link.
>> # Don't enable this unless it is also
>> # enabled in the server config file.
>> comp-lzo
>>
>> # Set log file verbosity.
>> verb 4
>>
>> # Silence repeating messages
>> ;mute 20
>>
>> # By Pluss / Ijungti Logai
>> status openvpn-status.log
>> log         openvpn.log
>> #
>> route-delay 2
>> #route 192.168.0.0 255.255.255.0 192.168.2.6
>> #route add -net 192.168.0.0 netmask 255.255.255.0 gw 192.168.2.6
>> #
>> ############################################################