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Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
howtos:network_services:openvpn [2014/01/07 19:36 (UTC)] – chrisabela | howtos:network_services:openvpn [2018/03/02 00:14 (UTC)] – Correct references to the name OpenVPN, give them consistent casing. bifferos | ||
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==== 4.3 Administrator Rights ==== | ==== 4.3 Administrator Rights ==== | ||
- | You will need to have administrator rights to set up the Openvpn. This applies to both the Server and the Client. For simplicity, in this tutorial, it will be assumed that all actions will be performed by the root user. Naturally advanced users might be more discerning. | + | You will need to have administrator rights to set up OpenVPN. This applies to both the Server and the Client. For simplicity, in this tutorial, it will be assumed that all actions will be performed by the root user. Naturally advanced users might be more discerning. |
==== 4.4 Possible Constraints and Possible Solutions for a WiFi equipped Client ==== | ==== 4.4 Possible Constraints and Possible Solutions for a WiFi equipped Client ==== | ||
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< | < | ||
# cd | # cd | ||
- | # git clone git:// | + | # git clone http:// |
</ | </ | ||
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</ | </ | ||
- | Copy the sample server.conf from the openvpn | + | If you want to run the server as a daemon on system boot, it's necessary to remove the pass-phrase from the server1.key file first. |
+ | |||
+ | < | ||
+ | # cd / | ||
+ | # openssl rsa -in server1.key -out tmp.key | ||
+ | # mv tmp.key server1.key | ||
+ | # chmod 600 server1.key | ||
+ | </ | ||
+ | |||
+ | Copy the sample server.conf from the OpenVPN | ||
< | < | ||
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</ | </ | ||
- | Copy the file server.conf contained in the source to the openvpn | + | Copy the file server.conf contained in the source to the OpenVPN |
< | < | ||
- | # cp openvpn-2.3.2/ | + | # cp openvpn-*/ |
> / | > / | ||
</ | </ | ||
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daemon | daemon | ||
</ | </ | ||
+ | |||
+ | < | ||
My full server.conf is the following: | My full server.conf is the following: | ||
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# / | # / | ||
# | # | ||
- | # Start/ | + | # Start/ |
# | # | ||
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</ | </ | ||
- | Eventually when you start openvpn | + | Eventually when you start OpenVPN |
< | < | ||
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===== 7. Port Forwarding ===== | ===== 7. Port Forwarding ===== | ||
- | YYou will need to forward traffic from the port you have chosen for Openvpn | + | You will need to forward traffic from the port you have chosen for OpenVPN |
In case if you have misplaced such documentation, | In case if you have misplaced such documentation, | ||
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On the Client machine perform the following instructions to set it up. | On the Client machine perform the following instructions to set it up. | ||
- | Download the openvpn | + | Download the OpenVPN |
< | < | ||
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< | < | ||
- | You will need the this files that were generated by the Client' | + | You will need this file that were generated by the Client' |
< | < | ||
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</ | </ | ||
- | Enter the Client PEM pass phrase when prompted. To stop openVPN | + | Enter the Client PEM pass phrase when prompted. To stop OpenVPN |
On both you should see a new network interface called tun0. On the Server, I obtained the following: | On both you should see a new network interface called tun0. On the Server, I obtained the following: | ||
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===== 10. Storing the PEM pass phrase in a secure file and Automatic start of service after booting ===== | ===== 10. Storing the PEM pass phrase in a secure file and Automatic start of service after booting ===== | ||
- | To start the Openvpn | + | To start the OpenVPN |
< | < | ||
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This may be repeated also on the Client, just edit / | This may be repeated also on the Client, just edit / | ||
- | To start the Openvpn | + | To start the OpenVPN |
< | < | ||
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push "route 192.168.200.0 255.255.255.0" | push "route 192.168.200.0 255.255.255.0" | ||
- | client-config-dir ccd | + | client-config-dir |
route 192.168.1.0 255.255.255.0 | route 192.168.1.0 255.255.255.0 | ||
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$IPT -A INPUT -j SERVICES # append the services chain to the input | $IPT -A INPUT -j SERVICES # append the services chain to the input | ||
- | # allowed forwarding for openVPN | + | # allowed forwarding for OpenVPN |
$IPT -A FORWARD -i eth0 -o tun0 -m state --state ESTABLISHED, | $IPT -A FORWARD -i eth0 -o tun0 -m state --state ESTABLISHED, | ||
$IPT -A FORWARD -s 10.8.0.0/24 -o eth0 -j ACCEPT | $IPT -A FORWARD -s 10.8.0.0/24 -o eth0 -j ACCEPT | ||
- | # masquerade the openvpn | + | # masquerade the OpenVPN |
$IPT -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE | $IPT -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE | ||
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#$IPT -A SERVICES -p tcp --dport 22 -j ACCEPT # Uncomment to allow sshd | #$IPT -A SERVICES -p tcp --dport 22 -j ACCEPT # Uncomment to allow sshd | ||
- | # allow openvpn | + | # allow OpenVPN |
- | $IPT -A SERVICES -p tcp --dport | + | $IPT -A SERVICES -p udp --dport |
| | ||
echo " | echo " | ||
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</ | </ | ||
- | Restart the Openvpn | + | Restart the OpenVPN |
< | < | ||
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===== 12. Firewalls ===== | ===== 12. Firewalls ===== | ||
- | In the previous chapter we referred to a firewall you may include to protect your Openvpn | + | In the previous chapter we referred to a firewall you may include to protect your OpenVPN |
In order to penetrate through the Client firewall your may want to try changing the port to 443 - normally reserved for https. Using TCP instead of UDP will also help. To make these change you will need to amend / | In order to penetrate through the Client firewall your may want to try changing the port to 443 - normally reserved for https. Using TCP instead of UDP will also help. To make these change you will need to amend / |