There are a bunch of tutorials online about how to set up a Mikrotik routerboard as an OpenVPN server; this is not one of them, this repository contains information and code samples for configuring a Mikrotik router as a client to connect to your own OpenVPN server hosted elsewhere.
As of Jun '16 this is confirmed working on a Mikrotik 951Ui-2HnD routerboard, all traffic destined for the internet is routed via the VPN connection and I'm able to watch region-locked video streaming services while connected through this wifi network.
Sourced from: http://wiki.mikrotik.com/wiki/OpenVPN
- TCP is supported UDP is not supported (ie. the default setup is not supported)
- username/passwords are not mandatory
- certificates are supported
- LZO compression is not supported
This info applies to you if you are setting up the server for yourself, otherwise you best check with your server admin that they have configured the server for a Mikrotik client.
For the most part I followed this tutorial for installing OpenVPN server on Ubuntu 14.04.
Be careful with this tutorial, if you are using any services other than OpenVPN and SSH; or if you use non-standard ports, make sure you add the corresponding firewall rules!
I only made a couple changes to my server.conf:
# TCP or UDP server?
proto tcp
;proto udp
add the corresponding firewall rule:
sudo ufw allow 1194/tcpThis step is optional, if you're streaming video you can disable compression by commenting it out:
# comp-lzo
This section covers the steps required to set up your Mikrotik routerboard as an OpenVPN client.
You'll need some files from your OpenVPN server or VPN provider, only 3 files are required:
$ ls cert/
ca.crt client.crt client.key
If you're using the scripts in this repo then you'll need to create a directory called
certand put those files inside. You'll also need to rename your client keys to match the file names above.
All the commands are executed by SSH so you'll need SSH access to your routerboard before continuing, otherwise I guess you could read the commands and enter them in the GUI, up to you.
MMM MMM KKK TTTTTTTTTTT KKK
MMMM MMMM KKK TTTTTTTTTTT KKK
MMM MMMM MMM III KKK KKK RRRRRR OOOOOO TTT III KKK KKK
MMM MM MMM III KKKKK RRR RRR OOO OOO TTT III KKKKK
MMM MMM III KKK KKK RRRRRR OOO OOO TTT III KKK KKK
MMM MMM III KKK KKK RRR RRR OOOOOO TTT III KKK KKK
MikroTik RouterOS 6.35.2 (c) 1999-2016 http://www.mikrotik.com/
[?] Gives the list of available commands
command [?] Gives help on the command and list of arguments
[Tab] Completes the command/word. If the input is ambiguous,
a second [Tab] gives possible options
/ Move up to base level
.. Move up one level
/command Use command at the base level
[admin@MikroTik] >Great you connected! the interface is a bit weird, all commands start with a
/and you use?for help within each section. If you didn't manage to connect you're going to need to sort that out before continuing or give up and use a GUI.
Type /quit in to the console to exit.
All the code in this repo is hard-coded for version 6.35.2 (which was current at time of writing). If yours is older than that go ahead and upgrade first.
ssh [email protected] system package update downloadYou'll need to upload those certificates that we downloaded earlier on to your Mikrotik.
you'll need to do this for all 3 files, see ./task/cert.install.sh for more info.
scp ca.crt [email protected]:/
scp client.crt [email protected]:/
scp client.key [email protected]:/ssh [email protected] certificate import file-name=ca.crt passphrase=\"\"
ssh [email protected] certificate import file-name=client.crt passphrase=\"\"
ssh [email protected] certificate import file-name=client.key passphrase=\"\"We can confirm that worked:
ssh [email protected] certificate printFlags: K - private-key, D - dsa, L - crl, C - smart-card-key, A - authority, I - issued, R - revoked, E - expired, T - trusted
# NAME COMMON-NAME SUBJECT-ALT-NAME FINGERPRINT
0 T ca.crt_0 Fort-Funston CA 12911f9e101be5b3e15cd44e52cc...
1 K T client.crt_0 missinglink1 DNS:missinglink1 8bd36e8431eef6c52151c8400ef0...This is optional; if this if your first time, best do this so you can follow the rest of the steps:
ssh [email protected] certificate set ca.crt_0 name=CAssh [email protected] certificate set client.crt_0 name=clientWe can confirm that worked:
ssh [email protected] certificate printThis section contains all the details of how you will connect to the server, the following worked for me, you may need to change some settings for your specific server configuration:
ssh [email protected] ppp profile add name=OVPN-client change-tcp-mss=yes only-one=yes use-encryption=required use-mpls=noWe can confirm that worked:
ssh [email protected] ppp profile printFlags: * - default
0 * name="default" remote-ipv6-prefix-pool=none use-ipv6=yes use-mpls=default
use-compression=default use-encryption=default only-one=default
change-tcp-mss=yes use-upnp=default address-list="" on-up="" on-down=""
1 name="OVPN-client" remote-ipv6-prefix-pool=none use-ipv6=yes use-mpls=no
use-compression=default use-encryption=required only-one=yes
change-tcp-mss=yes use-upnp=default address-list="" on-up="" on-down=""
2 * name="default-encryption" remote-ipv6-prefix-pool=none use-ipv6=yes
use-mpls=default use-compression=default use-encryption=yes
only-one=default change-tcp-mss=yes use-upnp=default address-list=""
on-up="" on-down=""Here we actually create an interface for the VPN connection:
IMPORTANT!! Change xxx.xxx.xxx.xxx to your own server address (ip address or domain name).
ssh [email protected] interface ovpn-client add connect-to=xxx.xxx.xxx.xxx add-default-route=no auth=sha1 certificate=client disabled=no user=vpnuser password=vpnpass name=myvpn profile=OVPN-clientUser/password properties seem to be mandatory on the client even if the server doesn't have auth-user-pass-verify enabled.
If everything went according to plan you should now be connected:
ssh [email protected] interface ovpn-client printNote the 'R' which shows the connection has been established (give it a few seconds):
Flags: X - disabled, R - running
0 R name="myvpn" mac-address=FE:EE:75:8F:14:3D max-mtu=1500
connect-to=xxx.xxx.xxx.xxx port=1194 mode=ip user="vpnuser" password="vpnpass"
profile=OVPN-client certificate=client auth=sha1 cipher=blowfish128
add-default-route=nossh [email protected] interface ovpn-client monitor 0status: connected
uptime: 1h35m45s
encoding: BF-128-CBC/SHA1
mtu: 1500
status: connected
uptime: 1h35m46s
encoding: BF-128-CBC/SHA1
mtu: 1500This is explained in this post, basically we define some routes in our local network that won't go through the VPN (things in the 10.0.0.0, 172.16.0.0 & 192.168.0.0 ranges) and we add them to a list called local_traffic:
ssh [email protected] ip firewall address-list add address=10.0.0.0/8 disabled=no list=local_trafficssh [email protected] ip firewall address-list add address=172.16.0.0/12 disabled=no list=local_trafficssh [email protected] ip firewall address-list add address=192.168.0.0/16 disabled=no list=local_trafficThen we set up a 'mangle' rule which marks packets coming from the local network and destined for the internet with a mark named vpn_traffic:
ssh [email protected] ip firewall mangle add disabled=no action=mark-routing chain=prerouting dst-address-list=\!local_traffic new-routing-mark=vpn_traffic passthrough=yes src-address=192.168.88.2-192.168.88.254Next we tell the router that all traffic with the vpn_traffic mark should go through the VPN interface:
ssh [email protected] ip route add disabled=no dst-address=0.0.0.0/0 type=unicast gateway=myvpn routing-mark=vpn_traffic scope=30 target-scope=10And finally we add a masquerade NAT rule:
ssh [email protected] ip firewall nat add chain=srcnat src-address=192.168.88.0/24 out-interface=myvpn action=masqueradeThat's it! your external traffic should now be routed through the VPN.
If this readme helped you out please star the repo; github stars are like crack cocaine to software developers :)
Big thanks to all these people who wrote about this in the past.
- https://lukas.dzunko.sk/index.php/MikrotTik:_OpenVPN
- https://www.digitalocean.com/community/tutorials/how-to-set-up-an-openvpn-server-on-ubuntu-14-04
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