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How to make a VPN with OpenVPN (tutorial)
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*Get the walkthrough pictures here: https://www.sendspace.com/file/5ojjyn (sorry, it has been deleted)
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1- Download OpenVPN for your platform: https://openvpn.net/index.php/download/community-downloads.html
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2- Install with SSL Utilities provided in the download and OpenVPN RSA certificate also.
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3- Install TAP Adapter
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4- once your installation finishes you will need to go to the directory where you installed OpenVPN and create a vars.bat
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   (you can take the sample one and rename it)
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5- edit configuration to your needs
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6- Open Command Prompt as Administrator
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7- type in the console: cd C:\Program Files\OpenVPN\easy-rsa
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8- (we will stay in the console for this part of making certificates and keys)
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9- RTFM (Read The F* Manual) :
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Create new empty index and serial files (once only)
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1. vars
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2. clean-all
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Build a CA key (once only)
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1. vars
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2. build-ca
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Build a DH file (for server side, once only)
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1. vars
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2. build-dh
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Build a private key/certficate for the openvpn server
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1. vars
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2. build-key-server <machine-name>
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Build key files in PEM format (for each client machine)
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1. vars
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2. build-key <machine-name>
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   (use <machine name> for specific name within script)
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10. Make your .OVPN config files
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#SAMPLE CLIENT.OVPN FILE:
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client
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dev tap
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proto tcp-client
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remote some.ip.here 443
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resolv-retry infinite
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cipher AES-256-CBC
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auth MD5
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nobind
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persist-key
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persist-tun
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<ca>
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put CA Cert code here
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</ca>
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<cert>
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put Client Cert code here
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</cert>
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<key>
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put Client Private Key code here
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</key>
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comp-lzo
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verb 3
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#SAMPLE Server.OVPN Config (separate file)
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port 443
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proto tcp-server
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# You don't need to edit this.
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dev tap
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#Setting up encryption
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<ca>
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Enter CA Cert Code here
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</ca>
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<cert>
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Enter Server Cert Code Here 
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</cert>
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<key>
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Enter Server Private Key Here
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</key>
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<dh>
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Paste the dh2048.pem code inside this string 
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</dh>
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server 10.11.1.0 255.255.255.0 
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# Clients wants to see each other.
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client-to-client
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keepalive 10 120
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comp-lzo
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cipher AES-256-CBC
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auth MD5
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persist-key
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persist-tun
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status openvpn-status.log
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duplicate-cn
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verb 1
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-----------------------------------------------
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Making a Proxy on the VPN to have Client connect with server ip.
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(need 64bits OS for Squid Proxy Server or another proxy software)
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1. Download SQUID Proxy Server here: http://packages.diladele.com/squid/3.5.27/squid.msi  (latest)
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2. Open Squid tray icon, edit config, use the one below for high anonymity proxy
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#-----------------------------------------------------------------------------------
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#
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# High Anonymous Squid Proxy Server
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#
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# Example rule allowing access from your local networks.
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# Adapt to list your (internal) IP networks from where browsing
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# should be allowed
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acl localnet src 10.0.0.0/8	# RFC1918 possible internal network
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acl localnet src 172.16.0.0/8	# RFC1918 possible internal network
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acl localnet src 192.168.0.0/8	# RFC1918 possible internal network
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acl localnet src fc00::/7       # RFC 4193 local private network range
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acl localnet src fe80::/10      # RFC 4291 link-local (directly plugged) machines
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acl SSL_ports port 443-65535
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acl Safe_ports port 1-65535	# unregistered ports
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acl CONNECT method CONNECT
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#
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# Recommended minimum Access Permission configuration:
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#
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# Deny requests to certain unsafe ports
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http_access deny !Safe_ports
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# Deny CONNECT to other than secure SSL ports
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http_access deny CONNECT !SSL_ports
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# Only allow cachemgr access from localhost
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http_access allow localhost manager
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http_access deny manager
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# We strongly recommend the following be uncommented to protect innocent
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# web applications running on the proxy server who think the only
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# one who can access services on "localhost" is a local user
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http_access deny to_localhost
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#
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# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
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#
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# Example rule allowing access from your local networks.
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# Adapt localnet in the ACL section to list your (internal) IP networks
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# from where browsing should be allowed
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http_access allow localnet
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http_access allow all
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# And finally deny all other access to this proxy
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#http_access deny all
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forwarded_for delete
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via off
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# Squid normally listens to port 3128 
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http_port 3128
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# Uncomment and adjust the following to add a disk cache directory.
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#cache_dir ufs /var/cache/squid 100 16 256
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# Leave coredumps in the first cache dir
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coredump_dir /var/cache/squid
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#
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# Add any of your own refresh_pattern entries above these.
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#
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refresh_pattern ^ftp:		1440	20%	10080
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refresh_pattern ^gopher:	1440	0%	1440
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refresh_pattern -i (/cgi-bin/|\?) 0	0%	0
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refresh_pattern .		0	20%	4320
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dns_nameservers 8.8.8.8 8.8.4.4
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###END SQUID CONFIGURATION
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3. restart Squid Service
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4. Open your internet options and set (your server ip 10.11.1.1) and Squid Port (3128) as shown in picture
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5. Set your browsers to use the proxy. If you have a firewall please accept port 3128 and Squid service.
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6. IMPORTANT: to avoid browser leaking your IP Address go in firefox address bar and type ABOUT:CONFIG
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7. Search for peer, and turn everything that is true to false.
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I hope you enjoyed this tutorial as much as I had writing it.
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Thanks.
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Here a sample config for LAN VPN without OpenVPN GUI: https://www.sendspace.com/file/yo5as8
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simply extract on your desktop* (important) and run as admin VPN.bat