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475 lines
15 KiB
Plaintext
475 lines
15 KiB
Plaintext
package openvpn
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#################################################
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# Sample to include a custom config file. #
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#################################################
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config openvpn custom_config
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# Set to 1 to enable this instance:
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option enabled 0
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# Include OpenVPN configuration
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option config /etc/openvpn/my-vpn.conf
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#################################################
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# Sample OpenVPN 2.0 uci config for #
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# multi-client server. #
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#################################################
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config openvpn sample_server
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# Set to 1 to enable this instance:
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option enabled 0
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# Which local IP address should OpenVPN
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# listen on? (optional)
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# option local 0.0.0.0
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# Which TCP/UDP port should OpenVPN listen on?
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# If you want to run multiple OpenVPN instances
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# on the same machine, use a different port
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# number for each one. You will need to
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# open up this port on your firewall.
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option port 1194
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# TCP or UDP server?
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# option proto tcp
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option proto udp
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# "dev tun" will create a routed IP tunnel,
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# "dev tap" will create an ethernet tunnel.
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# Use "dev tap0" if you are ethernet bridging
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# and have precreated a tap0 virtual interface
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# and bridged it with your ethernet interface.
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# If you want to control access policies
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# over the VPN, you must create firewall
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# rules for the the TUN/TAP interface.
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# On non-Windows systems, you can give
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# an explicit unit number, such as tun0.
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# On Windows, use "dev-node" for this.
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# On most systems, the VPN will not function
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# unless you partially or fully disable
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# the firewall for the TUN/TAP interface.
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# option dev tap
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option dev tun
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# SSL/TLS root certificate (ca), certificate
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# (cert), and private key (key). Each client
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# and the server must have their own cert and
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# key file. The server and all clients will
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# use the same ca file.
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#
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# See the "easy-rsa" directory for a series
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# of scripts for generating RSA certificates
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# and private keys. Remember to use
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# a unique Common Name for the server
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# and each of the client certificates.
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#
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# Any X509 key management system can be used.
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# OpenVPN can also use a PKCS #12 formatted key file
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# (see "pkcs12" directive in man page).
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option ca /etc/openvpn/ca.crt
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option cert /etc/openvpn/server.crt
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# This file should be kept secret:
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option key /etc/openvpn/server.key
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# Diffie hellman parameters.
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# Generate your own with:
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# openssl dhparam -out dh2048.pem 2048
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# Substitute 2048 for 1024 if you are using
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# 1024 bit keys.
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option dh /etc/openvpn/dh2048.pem
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# Configure server mode and supply a VPN subnet
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# for OpenVPN to draw client addresses from.
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# The server will take 10.8.0.1 for itself,
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# the rest will be made available to clients.
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# Each client will be able to reach the server
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# on 10.8.0.1. Comment this line out if you are
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# ethernet bridging. See the man page for more info.
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option server "10.8.0.0 255.255.255.0"
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# Maintain a record of client <-> virtual IP address
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# associations in this file. If OpenVPN goes down or
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# is restarted, reconnecting clients can be assigned
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# the same virtual IP address from the pool that was
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# previously assigned.
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option ifconfig_pool_persist /tmp/ipp.txt
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# Configure server mode for ethernet bridging.
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# You must first use your OS's bridging capability
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# to bridge the TAP interface with the ethernet
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# NIC interface. Then you must manually set the
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# IP/netmask on the bridge interface, here we
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# assume 10.8.0.4/255.255.255.0. Finally we
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# must set aside an IP range in this subnet
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# (start=10.8.0.50 end=10.8.0.100) to allocate
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# to connecting clients. Leave this line commented
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# out unless you are ethernet bridging.
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# option server_bridge "10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100"
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# Push routes to the client to allow it
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# to reach other private subnets behind
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# the server. Remember that these
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# private subnets will also need
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# to know to route the OpenVPN client
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# address pool (10.8.0.0/255.255.255.0)
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# back to the OpenVPN server.
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# list push "route 192.168.10.0 255.255.255.0"
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# list push "route 192.168.20.0 255.255.255.0"
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# To assign specific IP addresses to specific
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# clients or if a connecting client has a private
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# subnet behind it that should also have VPN access,
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# use the subdirectory "ccd" for client-specific
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# configuration files (see man page for more info).
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# EXAMPLE: Suppose the client
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# having the certificate common name "Thelonious"
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# also has a small subnet behind his connecting
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# machine, such as 192.168.40.128/255.255.255.248.
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# First, uncomment out these lines:
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# option client_config_dir /etc/openvpn/ccd
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# list route "192.168.40.128 255.255.255.248"
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# Then create a file ccd/Thelonious with this line:
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# iroute 192.168.40.128 255.255.255.248
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# This will allow Thelonious' private subnet to
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# access the VPN. This example will only work
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# if you are routing, not bridging, i.e. you are
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# using "dev tun" and "server" directives.
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# EXAMPLE: Suppose you want to give
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# Thelonious a fixed VPN IP address of 10.9.0.1.
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# First uncomment out these lines:
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# option client_config_dir /etc/openvpn/ccd
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# list route "10.9.0.0 255.255.255.252"
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# list route "192.168.100.0 255.255.255.0"
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# Then add this line to ccd/Thelonious:
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# ifconfig-push "10.9.0.1 10.9.0.2"
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# Suppose that you want to enable different
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# firewall access policies for different groups
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# of clients. There are two methods:
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# (1) Run multiple OpenVPN daemons, one for each
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# group, and firewall the TUN/TAP interface
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# for each group/daemon appropriately.
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# (2) (Advanced) Create a script to dynamically
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# modify the firewall in response to access
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# from different clients. See man
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# page for more info on learn-address script.
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# option learn_address /etc/openvpn/script
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# If enabled, this directive will configure
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# all clients to redirect their default
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# network gateway through the VPN, causing
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# all IP traffic such as web browsing and
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# and DNS lookups to go through the VPN
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# (The OpenVPN server machine may need to NAT
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# the TUN/TAP interface to the internet in
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# order for this to work properly).
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# CAVEAT: May break client's network config if
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# client's local DHCP server packets get routed
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# through the tunnel. Solution: make sure
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# client's local DHCP server is reachable via
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# a more specific route than the default route
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# of 0.0.0.0/0.0.0.0.
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# list push "redirect-gateway"
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# Certain Windows-specific network settings
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# can be pushed to clients, such as DNS
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# or WINS server addresses. CAVEAT:
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# http://openvpn.net/faq.html#dhcpcaveats
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# list push "dhcp-option DNS 10.8.0.1"
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# list push "dhcp-option WINS 10.8.0.1"
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# Uncomment this directive to allow different
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# clients to be able to "see" each other.
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# By default, clients will only see the server.
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# To force clients to only see the server, you
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# will also need to appropriately firewall the
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# server's TUN/TAP interface.
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# option client_to_client 1
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# Uncomment this directive if multiple clients
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# might connect with the same certificate/key
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# files or common names. This is recommended
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# only for testing purposes. For production use,
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# each client should have its own certificate/key
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# pair.
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#
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# IF YOU HAVE NOT GENERATED INDIVIDUAL
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# CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
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# EACH HAVING ITS OWN UNIQUE "COMMON NAME",
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# UNCOMMENT THIS LINE OUT.
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# option duplicate_cn 1
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# The keepalive directive causes ping-like
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# messages to be sent back and forth over
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# the link so that each side knows when
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# the other side has gone down.
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# Ping every 10 seconds, assume that remote
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# peer is down if no ping received during
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# a 120 second time period.
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option keepalive "10 120"
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# For extra security beyond that provided
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# by SSL/TLS, create an "HMAC firewall"
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# to help block DoS attacks and UDP port flooding.
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#
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# Generate with:
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# openvpn --genkey --secret ta.key
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#
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# The server and each client must have
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# a copy of this key.
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# The second parameter should be '0'
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# on the server and '1' on the clients.
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# This file is secret:
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# option tls_auth "/etc/openvpn/ta.key 0"
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# For additional privacy, a shared secret key
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# can be used for both authentication (as in tls_auth)
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# and encryption of the TLS control channel.
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#
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# Generate a shared secret with:
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# openvpn --genkey --secret ta.key
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#
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# The server and each client must have
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# a copy of this key.
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#
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# tls_auth and tls_crypt should NOT
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# be combined, as tls_crypt implies tls_auth.
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# Use EITHER tls_crypt, tls_auth, or neither option.
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# option tls_crypt "/etc/openvpn/ta.key"
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# Set the minimum required TLS protocol version
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# for all connections.
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#
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# Require at least TLS 1.1
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# option tls_version_min "1.1"
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# Require at least TLS 1.2
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# option tls_version_min "1.2"
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# Require TLS 1.2, or the highest version supported
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# on the system
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# option tls_version_min "1.2 'or-highest'"
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# OpenVPN versions 2.4 and later will attempt to
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# automatically negotiate the most secure cipher
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# between the client and server, regardless of a
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# configured "option cipher" (see below).
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# Automatic negotiation is recommended.
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#
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# Uncomment this option to disable this behavior,
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# and force all OpenVPN peers to use the configured
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# cipher option instead (not recommended).
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# option ncp_disable
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# Select a cryptographic cipher.
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# This config item must be copied to
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# the client config file as well.
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#
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# To see all supported ciphers, run:
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# openvpn --show-ciphers
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#
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# Blowfish (default for backwards compatibility,
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# but not recommended due to weaknesses):
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# option cipher BF-CBC
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# AES:
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# option cipher AES-128-CBC
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# Triple-DES:
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# option cipher DES-EDE3-CBC
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# Enable compression on the VPN link.
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# If you enable it here, you must also
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# enable it in the client config file.
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#
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# Compression is not recommended, as compression and
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# encryption in combination can weaken the security
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# of the connection.
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#
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# LZ4 requires OpenVPN 2.4+ client and server
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# option compress lz4
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# LZO is compatible with most OpenVPN versions
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# (set "compress lzo" on 2.4+ clients, and "comp-lzo yes" on older clients)
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# option compress lzo
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# The maximum number of concurrently connected
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# clients we want to allow.
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# option max_clients 100
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# The persist options will try to avoid
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# accessing certain resources on restart
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# that may no longer be accessible because
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# of the privilege downgrade.
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option persist_key 1
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option persist_tun 1
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option user nobody
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# Output a short status file showing
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# current connections, truncated
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# and rewritten every minute.
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option status /tmp/openvpn-status.log
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# By default, log messages will go to the syslog (or
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# on Windows, if running as a service, they will go to
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# the "\Program Files\OpenVPN\log" directory).
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# Use log or log-append to override this default.
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# "log" will truncate the log file on OpenVPN startup,
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# while "log-append" will append to it. Use one
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# or the other (but not both).
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# option log /tmp/openvpn.log
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# option log_append /tmp/openvpn.log
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# Set the appropriate level of log
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# file verbosity.
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#
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# 0 is silent, except for fatal errors
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# 4 is reasonable for general usage
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# 5 and 6 can help to debug connection problems
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# 9 is extremely verbose
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option verb 3
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# Silence repeating messages. At most 20
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# sequential messages of the same message
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# category will be output to the log.
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# option mute 20
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##############################################
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# Sample client-side OpenVPN 2.0 uci config #
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# for connecting to multi-client server. #
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##############################################
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config openvpn sample_client
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# Set to 1 to enable this instance:
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option enabled 0
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# Specify that we are a client and that we
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# will be pulling certain config file directives
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# from the server.
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option client 1
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# Use the same setting as you are using on
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# the server.
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# On most systems, the VPN will not function
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# unless you partially or fully disable
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# the firewall for the TUN/TAP interface.
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# option dev tap
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option dev tun
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# Are we connecting to a TCP or
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# UDP server? Use the same setting as
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# on the server.
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# option proto tcp
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option proto udp
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# The hostname/IP and port of the server.
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# You can have multiple remote entries
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# to load balance between the servers.
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list remote "my_server_1 1194"
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# list remote "my_server_2 1194"
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# Choose a random host from the remote
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# list for load_balancing. Otherwise
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# try hosts in the order specified.
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# option remote_random 1
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# Keep trying indefinitely to resolve the
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# host name of the OpenVPN server. Very useful
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# on machines which are not permanently connected
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# to the internet such as laptops.
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option resolv_retry infinite
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# Most clients don't need to bind to
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# a specific local port number.
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option nobind 1
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# Try to preserve some state across restarts.
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option persist_key 1
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option persist_tun 1
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option user nobody
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# If you are connecting through an
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# HTTP proxy to reach the actual OpenVPN
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# server, put the proxy server/IP and
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# port number here. See the man page
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# if your proxy server requires
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# authentication.
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# retry on connection failures:
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# option http_proxy_retry 1
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# specify http proxy address and port:
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# option http_proxy "192.168.1.100 8080"
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# Wireless networks often produce a lot
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# of duplicate packets. Set this flag
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# to silence duplicate packet warnings.
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# option mute_replay_warnings 1
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# SSL/TLS parms.
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# See the server config file for more
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# description. It's best to use
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# a separate .crt/.key file pair
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# for each client. A single ca
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# file can be used for all clients.
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option ca /etc/openvpn/ca.crt
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option cert /etc/openvpn/client.crt
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option key /etc/openvpn/client.key
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# Verify server certificate by checking
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# that the certicate has the key usage
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# field set to "server". This is an
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# important precaution to protect against
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# a potential attack discussed here:
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# http://openvpn.net/howto.html#mitm
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#
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# To use this feature, you will need to generate
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# your server certificates with the nsCertType
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# field set to "server". The build_key_server
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# script in the easy_rsa folder will do this.
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# option remote_cert_tls server
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# If a tls_auth key is used on the server
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# then every client must also have the key.
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# option tls_auth "/etc/openvpn/ta.key 1"
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# If a tls_crypt key is used on the server
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# every client must also have the key.
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# option tls_crypt "/etc/openvpn/ta.key"
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# Set the minimum required TLS protocol version
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# for all connections.
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#
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# Require at least TLS 1.1
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# option tls_version_min "1.1"
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# Require at least TLS 1.2
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# option tls_version_min "1.2"
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# Require TLS 1.2, or the highest version supported
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# on the system
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# option tls_version_min "1.2 'or-highest'"
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# Select a cryptographic cipher.
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# If the cipher option is used on the server
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# then you must also specify it here.
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# option cipher x
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# Enable compression on the VPN link.
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# Don't enable this unless it is also
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# enabled in the server config file.
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#
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# Compression is not recommended, as compression and
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# encryption in combination can weaken the security
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# of the connection.
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#
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# LZ4 requires OpenVPN 2.4+ on server and client
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# option compress lz4
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# LZO is compatible with most OpenVPN versions
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# option compress lzo
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# Set log file verbosity.
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option verb 3
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# Silence repeating messages
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# option mute 20
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