Login on your DD-WRT router click on Services and then VPN. On OpenVPN Client, tick Enable.
Enter the following settings:
Server IP/Name: se-sto.pvdata.host
You'll find the server list here.
Port: 1194
Tunnel Device: TUN
Tunnel Protocol: UDP
Encryption Cipher: AES-128-GCM
Hash Algorithm: SHA256
First Data Cipher: AES-128-GCM
Second Data Cipher: AES-256-GCM
Third Data Cipher: AES-256-CBC
User Pass Authentication: Enable
Username: (your email address)
Password: (your password)
Advanced Options: Enable
TLS Cipher: TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384
Compression: Adaptive
NAT: Enable
Verify Server Cert.: Enable
Tunnel UDP MSS-Fix: Enable
TLS Key Choice: TLS Auth
Under TLS Auth Key, enter this value:
-----BEGIN OpenVPN Static key V1-----
f035a3acaeffb5aedb5bc920bca26ca7
ac701da88249008e03563eba6af6d262
5ac8ba1e5e0921f76be004c24ae4fd43
e42caf0f84269ad44d8d4c14ba45b138
6f251c7330d8cc56afd16d5168356456
51ef7e87a723ac78ae0d49da5b2f2d78
ceafcff7a6367d0712628a6547e5fc8f
ef93c87f7bcd6107c7b1ae68396e944a
adae50111d01a5d0c67223d667bdbf1b
f434bdef03644ecc5386e102724eef38
72f66547eb66dc0fea8286069cb082a4
1c89083b28fe9f4cec25d48017f26c4f
d85b25ddf2ae5448dd2bccf3eef2aacf
42ef1e88c3248c689423d0b05a641e9e
79dd6b9b5c40f0cc21ffdc891b9eee95
1477b537261cb56a958a4f490d961ecb
-----END OpenVPN Static key V1----
Under CA Cert, enter this value:
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE----
Click on Save and then Apply Settings.
Go to Status and then OpenVPN to verify VPN connection.