How setup OpenVPN client on DD-WRT (Asus RT-N18U)?

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Stepan_54
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Joined: 20 May 2019
Posts: 1

PostPosted: Mon May 20, 2019 10:26    Post subject: How setup OpenVPN client on DD-WRT (Asus RT-N18U)? Reply with quote
Hi, how setup OpenVPN client?

I have *.ovpn file. I tried used this file with standard firmware Asus RT-N18U, I can connect to server. PC behind router can access to PC in OpenVPN Net. But I also need make access from PC in OpenVPN to PC behind router, I can't do it, so I decide use dd-wrt firmware.

I what make connect to my VPN with some features:

1. Auto connection to my OpenVpn server.
I have ovpn file, which I use when I try setup OpenVpn client with standard Asus firmware.

2. Make access from PC behind router to PC in VPN

3. Make access from PC in VPN to PC behind router
Like port forwarding? Or some else?
For exmaple:
PC_1 behind router have ip 192.168.0.10
PC_2 behind router have ip 192.168.0.11

Router ip in VPN 10.10.0.38

Also I have PC, which connect to VPN and have ip 10.10.37, I want take access to 22 port to PC_1 192.168.0.10, use 10.10.0.38:122 and PC_2 10.10.0.38:222

4. All another traffic not to VPN must go over WAN not over VPN.

opvn file: (I deleted some part of private key):
Code:

dev tun
proto tcp
remote 194.58.140.104 1500
client
resolv-retry infinite
persist-key
persist-tun
comp-lzo
verb 3

-----BEGIN CERTIFICATE-----
MIIDMjCCAhqgAwIBAgIJAN5tt91bugGPMA0GCSqGSIb3DQEBCwUAMBUxEzARBgNV
BAMMCmRjZGFpbHkucnUwHhcNMTkwNDAxMjIwNTA1WhcNMjkwMzI5MjIwNTA1WjAV
MRMwEQYDVQQDDApkY2RhaWx5LnJ1MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
CgKCAQEAxtr94BAHkRoDAQkMgUs4PO1x0zgYeFkZmgpmFRuUcPllev3/BMxx/gCi
-----END CERTIFICATE-----

Certificate:
Data:
Version: 3 (0x2)
Serial Number:
b7:de:14:fc:7f:6a:2f
Signature Algorithm: sha256WithRSAEncryption
Issuer: CN=dcdaily.ru
Validity
Not Before: Apr 26 08:47:40 2019 GMT
Not After : Oct 16 08:47:40 2024 GMT
Subject: CN=test_kiosk_MV
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:bc:0a:7d:52:34:95:37:1f:5d:b4:78:7c:ad:af:
c2:83:64:3f:b0:ca:ac:a5:8b:83:2f:55:7f:00:cf:
e4:0c:d3:a7:ec:eb:36:58:76:ff:55:8f:40:dc:12:
47:b0:03:6d:c3:1b:37:d3:12:57:04:f2:8a:e9:dd:
d4:f8:c4:b0:dc:d8:f9:18:c8:88:25:6f:6d:c9:3f:
f5:e6:e9:38:97:b1:67:1a:f7:98:cb:4f:7a:b9:76:
82:ff:e1:8c:56:ea:e8:27:ab:d2:6c:3c:94:21:d5:
0c:db:fe:f6:42:ab:56:3c:ad:ff:d1:9c:1e:9e:a5:
cf:9d:f9:3b:df:bd:8
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Basic Constraints:
CA:FALSE
X509v3 Subject Key Identifier:
9B:51:47:FC:DF:CB:B6:F0:09
X509v3 Authority Key Identifier:
keyid:DD:14:F6:65
DirName:/CN=site.ru
serial:DE:6D:B

X509v3 Extended Key Usage:
TLS Web Client Authentication
X509v3 Key Usage:
Digital Signature
Signature Algorithm: sha256WithRSAEncryption
49:4c:6a:25:8e:fa:8d:8b:2a:7e:0d:96:2a:9f:56:ed:6d:43:
05:68:8b:30:19:58:fb:b5:b1:4c:08:f4:33:f7:38:5f:09:4b:
ee:43:0a:89:3a:89:de:9e:61:b9:95:16:fd:d9:bb:3f:f5:45:
de:67:fb:41:28:74:22:3d:45:e0:cb:1b:81:2c:59:7f:3f:b9:
a9:a6:41:4d:df:62:ba:3c:88:c0:73:7e:85:83:e5:76:b7:a7:
ff:29:44:ed:71:b5:51:73
-----BEGIN CERTIFICATE-----
MIIDTzCCAjegAwIBAgIRALfeFPx/ai+zJbA4HPvGUv4wDQYJKoZIhvcNAQELBQAw
FTETMBEGA1
-----END CERTIFICATE-----

-----BEGIN PRIVATE KEY-----
MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQC8Cn1SNJU3H120
eHytr8KDZD+wyqyli4MvVX8Az+QM06fs6zZYdv9Vj0DcEkewA23DGzfTElcE8orp
3dT
-----END PRIVATE KEY-----
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PostPosted: Tue May 21, 2019 6:23    Post subject: Reply with quote
Would using a bridged (TAP) setup not be the easier option?
_________________
Routers:Netgear R7800, R6400v1, R6400v2, Linksys EA8500, EA6900 (XvortexCFE), E2000 (converted WRT320N), WRT54GS v1.
OpenVPN Policy Based Routing guide: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=321686
Install guide R6400v2:http://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
OpenVPN Server Setup:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=318795
Install guide R7800: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Wireguard Server setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1183135
Wireguard Client setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324624
Wireguard Advanced setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324787
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
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