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##openvpn-install
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OpenVPN [road warrior ](http://en.wikipedia.org/wiki/Road_warrior_%28computing%29 ) installer for Debian, Ubuntu and CentOS.
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This script will let you setup your own VPN server in no more than a minute, even if you haven't used OpenVPN before. It isn't bulletproof but has been designed to be as unobtrusive and universal as possible.
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##Fork
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This fork includes :
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- No logs
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- No comp-lzo [compression is a vector for oracle attacks, e.g. CRIME or BREACH ](https://github.com/BetterCrypto/Applied-Crypto-Hardening/pull/91#issuecomment-75388575 )
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- Better encryption (see below)
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- Avoid DNS leak
- UFW support
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- TLS 1.2 only
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- Strong ciphers, DH keys and certificates. (see variants)
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- AES-256-CBC and SHA-512 for HMAC (instead of BF-128-CBC and SHA1)
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- Run server in unprivileged mode, reducing risks to the system
- TLS-auth to help [thwart DoS attacks ](https://openvpn.net/index.php/open-source/documentation/howto.html#security ) and provide a 2nd line of defense to the TLS channel.
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- [FDN's DNS Servers ](http://www.fdn.fr/actions/dns/ )
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- Nearest [OpenNIC DNS Servers ](https://www.opennicproject.org/ )
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- [DNS.WATCH DNS Servers ](https://dns.watch/index )
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- Up-to-date OpenVPN (2.3.11) thanks to [EPEL ](http://fedoraproject.org/wiki/EPEL ) and [swupdate.openvpn.net ](https://community.openvpn.net/openvpn/wiki/OpenvpnSoftwareRepos )
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- Support for either SNAT or MASQUERADE for forwarding
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- Every feature of the [original script ](https://github.com/Nyr/openvpn-install ) (I check periodically to sync the latest commits from source)
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## Variants
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When you lauch the script you will be asked to choose a mode. Both will work the same way, but *slow* has higher encryption settings, so it may slow down your connection and take more time to install.
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If you're just using your VPN at home, you may choose "fast". But if you're often using public Wi-Fi or traveling a lot, you choose use *slow* .
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FYI, "fast" is still more secured than default OpenVPN settings.
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### Slow (high encryption)
Features :
- 4096 bits RSA private key
- 4096 bits Diffie-Hellman key
- 256 bits AES-GCM
- SHA-384 RSA certificate
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### Fast (lower encryption)
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Features :
- 2048 bits RSA private key
- 2048 bits Diffie-Hellman key
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- 128 bits AES-GCM
- SHA-256 RSA certificate
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## Compatibility
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The script is made to work on these OS :
- Debian 7
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- Debian 8
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- Ubuntu 12.04 LTS
- Ubuntu 14.04 LTS
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- Ubuntu 15.10
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- Ubuntu 16.04 LTS
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- CentOS 6
- CentOS 7
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Each one has been test by myself.
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##Installation
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Run the script and follow the assistant:
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```
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wget https://raw.githubusercontent.com/Angristan/OpenVPN-install/master/openvpn-install.sh
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chmod +x openvpn-install.sh
./openvpn-install.sh
```
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Once it ends, you can run it again to add more users, remove some of them or even completely uninstall OpenVPN.
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You can get a cheap VPS for 3€/month at [PulseHeberg ](https://bit.ly/pulse-vpn ).
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## Licence
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Based on the work of [Nyr ](https://github.com/Nyr/openvpn-install )
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[MIT Licence ](https://raw.githubusercontent.com/Angristan/openvpn-install-nyr/master/LICENSE )
