##
## OpenVPN 2.4.x IBR Client Configuration
##
## steinb, 2020-03-25
##
client
dev tun
persist-tun
persist-key
resolv-retry infinite
nobind
verb 3
auth-user-pass
keepalive 10 60
tls-version-min 1.2
remote-cert-tls server
cipher AES-128-CBC
auth SHA256
subject= /C=DE/O=Verein zur Foerderung eines Deutschen Forschungsnetzes e. V./OU=DFN-PKI/CN=DFN-Verein Global Issuing CA
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subject= /C=DE/O=Verein zur Foerderung eines Deutschen Forschungsnetzes e. V./OU=DFN-PKI/CN=DFN-Verein Certification Authority 2
-----BEGIN CERTIFICATE-----
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subject= /C=DE/O=T-Systems Enterprise Services GmbH/OU=T-Systems Trust Center/CN=T-TeleSec GlobalRoot Class 2
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
proto udp
remote openvpn.ibr.cs.tu-bs.de 1194
proto tcp
remote openvpn.ibr.cs.tu-bs.de 81
proto tcp
remote openvpn.ibr.cs.tu-bs.de 80
##
## Variant #1: route only selected targets through the tunnel
##
## the complete IPv4 TU network
route 134.169.0.0 255.255.0.0
## the IBR private IPv4 subnets
route 10.0.0.0 255.240.0.0
## IEEExplore
route 140.98.193.0 255.255.255.0
## Elsevier
route 198.185.19.18 255.255.255.255
## the IPv6 TU network
route-ipv6 2001:638:602::/48
## Note: keep using the current DNS nameserver