2018-09-03 10:21:39 +02:00
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# Listen on 1194 for both IPv4 and IPv6
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port 1194
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proto udp
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proto udp6
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2018-09-19 21:48:08 +02:00
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# Since we have more than one ip address, this makes openvpn respond with sender addresses
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multihome
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2018-09-03 10:21:39 +02:00
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# We're using the layer 3 tunnel device
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dev tun
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2018-09-19 21:48:08 +02:00
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# Certificates (relative paths work, too)
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2018-09-20 15:04:54 +02:00
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ca inform/ca.crt
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cert inform/aither.inform.hs-hannover.de.crt
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key inform/aither.inform.hs-hannover.de.key
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2018-09-19 14:09:30 +02:00
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# Assume tls server role
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tls-server
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# Diffie-Hellman parameters
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2018-09-20 15:04:54 +02:00
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dh inform/dh.pem
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2018-09-03 10:21:39 +02:00
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2018-09-19 13:12:41 +02:00
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# Certificate revocation list
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2018-09-20 15:04:54 +02:00
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crl-verify inform/crl.pem
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2018-09-19 13:12:41 +02:00
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2018-09-03 10:21:39 +02:00
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# Make sure the client presents a certificate with "client role"
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remote-cert-tls client
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# Allow multiple connections using the same certificate?
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2018-09-19 21:48:08 +02:00
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# Currently, we do.
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duplicate-cn
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2018-09-03 10:21:39 +02:00
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2018-09-19 14:09:30 +02:00
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# We're using subnet topology
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2018-09-19 12:23:33 +02:00
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topology subnet
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2018-09-03 10:21:39 +02:00
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# Use this IPv4 range for clients (/16, so we can cope with all possible clients)
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2018-09-19 12:23:33 +02:00
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server 10.2.0.0 255.255.0.0
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2018-09-03 10:21:39 +02:00
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# Use this IPv6 network for clients
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server-ipv6 2001:638:614:1750::/64
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# Do we need persistence here?
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2018-09-19 21:48:08 +02:00
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# No, not yet. Probably never.
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2018-09-20 15:07:52 +02:00
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#ifconfig-pool-persist inform/ipp.txt
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2018-09-03 10:21:39 +02:00
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# Make sure the client can still reach the OpenVPN server via its default gateway
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push "route remote_host 255.255.255.255 net_gateway"
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2018-09-19 12:23:33 +02:00
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# Push routes for local IPv4 networks
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2018-09-21 19:59:27 +02:00
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# DMZ
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push "route 141.71.38.0 255.255.255.0 vpn_gateway"
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# Inform
|
2018-09-19 12:23:33 +02:00
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push "route 141.71.30.0 255.255.254.0 vpn_gateway"
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2018-09-21 19:59:27 +02:00
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# Edu
|
2018-09-19 12:23:33 +02:00
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push "route 192.168.99.0 255.255.255.0 vpn_gateway"
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2018-09-21 19:59:27 +02:00
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# NAO
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push "route 192.168.90.0 255.255.255.0 vpn_gateway"
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# iDrac
|
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push "route 192.168.70.0 255.255.255.0 vpn_gateway"
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# Cluster
|
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|
push "route 10.0.20.0 255.255.255.0 vpn_gateway"
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|
# educloud
|
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|
push "route 10.0.30.0 255.255.255.0 vpn_gateway"
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|
|
# experimental ipv6 network
|
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|
|
push "route 10.0.40.0 255.255.255.0 vpn_gateway"
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|
# server network from H-IT for KMS
|
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|
|
push "route 141.71.2.0 255.255.255.0 vpn_gateway"
|
2018-09-03 10:21:39 +02:00
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|
2018-09-21 11:36:54 +02:00
|
|
|
# Push routes for local IPv6 networks
|
2018-09-19 21:48:08 +02:00
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|
|
# (The vpn_gateway placeholder does not work here.)
|
2018-09-21 19:59:27 +02:00
|
|
|
# DMZ
|
|
|
|
|
push "route-ipv6 2001:638:614:1780::/64 2001:638:614:1750::1"
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|
|
# Inform
|
2018-09-21 11:36:54 +02:00
|
|
|
push "route-ipv6 2001:638:614:1720::/64 2001:638:614:1750::1"
|
2018-09-21 19:59:27 +02:00
|
|
|
# Edu
|
2018-09-21 11:36:54 +02:00
|
|
|
push "route-ipv6 2001:638:614:1721::/64 2001:638:614:1750::1"
|
2018-09-21 19:59:27 +02:00
|
|
|
# NAO
|
|
|
|
|
push "route-ipv6 2001:638:614:1722::/64 2001:638:614:1750::1"
|
|
|
|
|
# Cluster
|
|
|
|
|
push "route-ipv6 2001:638:614:1743::/64 2001:638:614:1750::1"
|
2018-09-03 10:21:39 +02:00
|
|
|
|
2018-09-19 14:09:30 +02:00
|
|
|
# Specific settings regarding TLS, chiphers and hash algorithms
|
|
|
|
|
cipher AES-256-GCM
|
|
|
|
|
auth SHA256
|
|
|
|
|
tls-cipher TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384
|
|
|
|
|
tls-version-min "1.2"
|
|
|
|
|
|
2018-09-03 10:21:39 +02:00
|
|
|
# Make sure to detect broken sessions
|
|
|
|
|
keepalive 10 60
|
|
|
|
|
|
|
|
|
|
# These are needed for reduced privileges? Probably yes.
|
|
|
|
|
persist-key
|
|
|
|
|
persist-tun
|
|
|
|
|
|
|
|
|
|
# Reduced privileges
|
|
|
|
|
user nobody
|
2018-09-07 19:21:17 +02:00
|
|
|
group nogroup
|
2018-09-03 10:21:39 +02:00
|
|
|
|
|
|
|
|
# Logging settings
|
|
|
|
|
verb 3
|
|
|
|
|
mute 5
|
|
|
|
|
|
2018-09-21 19:59:27 +02:00
|
|
|
# Have a status log
|
|
|
|
|
status inform/status.log
|
