总结一下问题。我遵循了这一点指导在我的远程 VPS Ubuntu 22.04.3 LTS 上安装 OVPN。所述过程非常简单，我可以完成安装。问题是我无法通过互联网将任何客户端连接到 OVPN 服务器，即使它在我的 VPS 上启动并运行。
描述一下您尝试过的操作。我以 root 用户身份进行了安装。我已将 .ovpn 客户端文件下载到我的 mac OSX 10.16（和 iOS 15）并加载到应用程序 OpenVPN Connect v.3.4.3。
提供详细信息。
root@localhost:~# systemctl status openvpn@server
● [email protected] - OpenVPN connection to server
Loaded: loaded (/etc/systemd/system/[email protected]; enabled; vendor preset: enabled)
Active: active (running) since Thu 2024-01-11 15:30:03 CET; 26min ago
Docs: man:openvpn(8)
https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage
https://community.openvpn.net/openvpn/wiki/HOWTO
Main PID: 408660 (openvpn)
Status: "Initialization Sequence Completed"
Tasks: 1 (limit: 2249)
Memory: 1.8M
CPU: 52ms
CGroup: /system.slice/system-openvpn.slice/[email protected]
└─408660 /usr/sbin/openvpn --daemon ovpn-server --status /run/openvpn/server.status 10 --cd /etc/op>
Jan 11 15:30:03 localhost ovpn-server[408660]: Could not determine IPv4/IPv6 protocol. Using AF_INET
Jan 11 15:30:03 localhost ovpn-server[408660]: Socket Buffers: R=[212992->212992] S=[212992->212992]
Jan 11 15:30:03 localhost ovpn-server[408660]: UDPv4 link local (bound): [AF_INET][undef]:1194
Jan 11 15:30:03 localhost ovpn-server[408660]: UDPv4 link remote: [AF_UNSPEC]
Jan 11 15:30:03 localhost ovpn-server[408660]: GID set to nogroup
Jan 11 15:30:03 localhost ovpn-server[408660]: UID set to nobody
Jan 11 15:30:03 localhost ovpn-server[408660]: MULTI: multi_init called, r=256 v=256
Jan 11 15:30:03 localhost ovpn-server[408660]: IFCONFIG POOL IPv4: base=10.8.0.2 size=253
Jan 11 15:30:03 localhost ovpn-server[408660]: IFCONFIG POOL LIST
Jan 11 15:30:03 localhost ovpn-server[408660]: Initialization Sequence Completed
root@localhost:~# ufw status
Status: active
To Action From
-- ------ ----
OpenSSH ALLOW Anywhere
Nginx Full ALLOW Anywhere
1194/udp ALLOW Anywhere
OpenSSH (v6) ALLOW Anywhere (v6)
Nginx Full (v6) ALLOW Anywhere (v6)
1194/udp (v6) ALLOW Anywhere (v6)
root@localhost:~# netstat -anp | grep openvpn
udp 0 0 0.0.0.0:1194 0.0.0.0:* 408660/openvpn
unix 2 [ ] DGRAM CONNECTED 96452780 408660/openvpn
unix 3 [ ] STREAM CONNECTED 96452775 408660/openvpn