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1radguy's avatar
1radguy
Aspirant
Jun 22, 2024

R6400v2 OpenVPN latest client versions not supported

I needed to reinstall my OpenVPN client (after BitDefender's VPN, which I don't use, updated and nuked my OpenVPN client presumably due to shared dependencies), and it took me a while to figure out that the latest versions linked on on the 

https://openvpn.net/community-downloads/

 linked to in the router advanced settings GUI are no longer compatible with the R6400v2 AC1750 router. Something about TLS levels?

 

I'm wondering if Netgear is going to send out a firmware update to restore compatibility to the most recent version of OpenVPN client (2.6.11)? Or at the very least the R6400v2 firmware should be changed to indicate in the VPN instruction not to use the most recent version.

 

It concerns me that the VPN is not at the most recent level--I hope this is not a security issue...

2 Replies


  • 1radguy wrote:

    I needed to reinstall my OpenVPN client (after BitDefender's VPN, which I don't use, updated and nuked my OpenVPN client presumably due to shared dependencies), and it took me a while to figure out that the latest versions linked on on the 

    https://openvpn.net/community-downloads/

     linked to in the router advanced settings GUI are no longer compatible with the R6400v2 AC1750 router. Something about TLS levels?

     

    I'm wondering if Netgear is going to send out a firmware update to restore compatibility to the most recent version of OpenVPN client (2.6.11)? Or at the very least the R6400v2 firmware should be changed to indicate in the VPN instruction not to use the most recent version.

     

    It concerns me that the VPN is not at the most recent level--I hope this is not a security issue...


    What was the previous version of the Open VPN client you had installed?

     

    Starting with the Open VPN client version 2.6.10, a significant number of user configurable options became available in the client settings.  Some of these options deal with forcing the version level of TLS.  When a newer version of the client is installed with the new options, the install process does not have any previous settings to pick up.

     

    Review the new client software settings carefully.  It could be some time before the Netgear router generated configuration files catch up with the default options in the new Open VPN client software.  In particular with a router design of the vintage of the R6400v2.

     

     

    • 1radguy's avatar
      1radguy
      Aspirant

      2.5.5 was the version that still works.

       

      Below are the config file settings that the router creates in the config file. Are there settings which work with newer clients with the "vintage" R6400v2" router? (The router is only 3 years old, but I guess that is vintage, lol).

       

       

      client
      dev tap
      proto udp
      dev-node NETGEAR-VPN
      remote XX.XXX.XXX.XXX 500
      resolv-retry infinite
      nobind
      persist-key
      persist-tun
      ca ca.crt
      cert client.crt
      key client.key
      cipher AES-128-CBC
      comp-lzo
      verb 5