OpenVPN
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OpenVPN是个VPN软件。
设定
- 先产生SSL相关的设定：
sudo openssl dhparam -out /etc/ssl/certs/dhparam.pem 2048
- 依照Dehydrated或是其他方式产生出合法的凭证。
- 在
/etc/openvpn/server.conf内放：
#
port 1194
proto udp
dev tun
ca /etc/ssl/certs/ca-certificates.crt
cert /etc/dehydrated/certs/vpn.example.com/fullchain.pem
key /etc/dehydrated/certs/vpn.example.com/privkey.pem
dh /etc/ssl/certs/dhparam.pem
server 192.168.254.0 255.255.255.0
server-ipv6 fda9:4efe:7e3b:03ea::/64
push "dhcp-option DNS 1.1.1.1"
push "dhcp-option DNS 1.0.0.1"
user nobody
group nogroup
persist-key
persist-tun
client-cert-not-required
plugin /usr/lib/openvpn/openvpn-plugin-auth-pam.so openvpn
status /var/log/openvpn-status.log
verb 4
- 在
/etc/pam.d/openvpn设定使用/etc/openvpn/passwd当作认证来源：
</syntaxhighlight lang="apache">
auth required pam_pwdfile.so pwdfile=/etc/openvpn/passwd auth required pam_permit.so account required pam_permit.so session required pam_permit.so password required pam_deny.so </syntaxhighlight>