Difference between revisions of "VPN"

Latest revision as of 12:59, 28 October 2021

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swhdocs:sysadm/user-management/openvpn/openvpn.html

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-The [[Software Heritage]] server and the VMs running on it are severely firewalled.
+#REDIRECT [[swhdocs:sysadm/user-management/openvpn/openvpn.html]]
-To get onto their network unrestricted, a VPN based on [https://openvpn.net/ OpenVPN] is available.
-The setup is client-server, with per-client certificates.
-== Openvpn client configuration ==
-Sample configuration file, e.g., /etc/openvpn/softwareheritage.conf:
-<pre>
-remote louvre.softwareheritage.org
-ns-cert-type server
-comp-lzo
-nobind
-dev tun
-proto udp
-port 1194
-log /var/log/openvpn.log
-up-restart
-persist-key
-persist-tun
-client
-ca /etc/openvpn/keys/softwareheritage-ca.crt
-cert /etc/openvpn/keys/softwareheritage.crt
-key /etc/openvpn/keys/softwareheritage.key
-user nobody
-group nogroup
-# If you are using resolvconf, add this:
-# Make sure you add louvre to /etc/hosts to avoid issues in using the vpn-provided DNS server.
-script-security 2
-up /etc/openvpn/update-resolv-conf
-down /etc/openvpn/update-resolv-conf
-# If you want the connection to persist when your network fails, add this:
-ping-restart 10
-</pre>
-In addition to the above configuration file, you will need to install the following 3 files under /etc/openvpn/keys:
-* '''[[softwareheritage-ca.crt]]''': ''public'' certificate for the Software Heritage certification authority (CA)
-* '''softwareheritage.crt''': ''public'', client-specific certificate (see below)
-* '''softwareheritage.key''': ''private'', client-specific key (see below)
-== Obtaining a client certificate ==
-=== For users ===
-Ask an admin to produce a pair of client-specific certificate/key for you.
-Please ensure there is a way to send you the certificate and the key securely (e.g., GPG).
-=== For admins ===
-On louvre:
-<pre>
-root@louvre:~# cd /etc/openvpn/easy-rsa/
-root@louvre:/etc/openvpn/easy-rsa# . vars
-root@louvre:/etc/openvpn/easy-rsa# ./build-key USERNAME
-[ accept defaults, they should be OK ]
-</pre>
-At the end of the process certificate and key will be in /etc/openvpn/keys/USERNAME.{crt,key}.
-Send them to USERNAME (securely).
-Add the DNS entry for the new host to hiera and do a puppet run on pergamon.
-== /etc/hosts entries ==
-Once the Vpn is setup on your machine, you can access Software Heritage hosts via their private IP addresses; see [[Network configuration]].
-OpenVPN now pushes the address of our DNS server (192.168.100.29, pergamon).
-You might want to add louvre.softwareheritage.org in your /etc/hosts to avoid a bootstrap problem if the "on-vpn" DNS server is in your resolv.conf.
-[[Category:Infrastructure]]
-[[Category:System administration]]

Difference between revisions of "VPN"

Latest revision as of 12:59, 28 October 2021

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