Hi, Can someone please help with an idiots guide to fixing the TLS 1 issue with this and ability to transfer files to the NAS? Thanks

Junkstar007 wrote: RND2120 v2 Does your Duo say "ReadyNAS Duo" on the front panel? Or does it instead say "ReadyNAS Duo v2"?

TLS should not affect your ability to access files, except via HTTPS. Normal access via SMB is affected by SMB1 being all the NAS offers. So which is it you are trying to solve? Inability to access files (SMB issue), or inability to access Frontview (TLS issue)?

Junkstar007 wrote: It says ReadyNAS DUO, So you have the original Duo (using a sparc processor, and running 4.1.x firmware). Junkstar007 wrote: sticker on the back says Readynas DUO RND 2120 V2 Netgear should have done a better job with branding, but that ship sailed back in 2011. The sticker means you have hardware revision 2 of the original Duo (not the Duo v2 which uses an ARM processor and runs 5.3.x firmware). Junkstar007 wrote: Can someone please help with an idiots guide to fixing the TLS 1 issue As Sandshark says, the TLS issue blocks web admin access (Frontview), not file transfer. One workaround is to use FireFox as the browser and set security.tls.version.min to 1 (browse to about:config and search for the setting). Once you have access, you can also modify a script on the NAS which will let you access Frontview using unencrypted HTTP in any browser. There is a step-by-step here: Workaround for ERR_SSL_VERSION_OR_CIPHER_MISMATCH problem for Sparc NAS (4.1.x firmware) | NETGEAR Communities Junkstar007 wrote: ability to transfer files to the NAS? This requires the SMB 1 client to be enabled. On windows, go into "turn windows features on or off" to enable it. There is no way to enable this on a Mac, so you'd need to enable AFP as a sharing protocol. Though Apple is planning to remove AFP, so this will be a problem going forward. You could also try NFS. Another path is to use FTP - there are several clients that work, including WinSCP (Windows only) and FileZilla (Windows and Mac). Not fully integrated into the OS, but transfers are possible. You are using a very old NAS (discontinued 14 years ago), so at some point you will need to switch to something current.

Junkstar007 wrote: I resolved the TLS issue by connecting with Firefox. Its accessing the box on Windows to upload and move files. SMB is the more common way, letting you access the files in File Explorer

Junkstar007 wrote: internet explorer shows NAS but goes to the HTTPS address Do you mean Windows file explorer? Try entering \\192.168.8.238 in the address bar (using \\, NOT //). You can also try opening CMD and then entering net use * /d /y net use z: \\192.168.8.238\c /user:admin nas-admin-password The two different slash directions matter, so be very careful on the typing. Use the actual NAS password of course. As noted above, the SMB 1 client on the PC has to be enabled for this to work. Also, the NAS admin password can't be the factory default of netgear1. Ignore any warning on the first command. If both commands are successful, you will mount the full data volume as drive letter Z on the PC. Junkstar007 wrote: Status: Plain FTP is insecure. Please switch to FTP over TLS. Is FTP enabled for any share on the NAS? What FTP client are you using?

have the Netgear ReadyNAS Duo RND2120 v2

13 Replies

StephenB
Guru - Experienced User
Jan 20, 2026
Junkstar007 wrote: RND2120 v2

Does your Duo say "ReadyNAS Duo" on the front panel?

Or does it instead say "ReadyNAS Duo v2"?
- Junkstar007
  Aspirant
  Jan 20, 2026
  It says ReadyNAS DUO, the sticker on the back says Readynas DUO RND 2120 V2
  - StephenB
    Guru - Experienced User
    Jan 20, 2026
    Junkstar007 wrote:
    It says ReadyNAS DUO,
    
    So you have the original Duo (using a sparc processor, and running 4.1.x firmware).
    
    Junkstar007 wrote:
    sticker on the back says Readynas DUO RND 2120 V2
    
    Netgear should have done a better job with branding, but that ship sailed back in 2011.
    
    The sticker means you have hardware revision 2 of the original Duo (not the Duo v2 which uses an ARM processor and runs 5.3.x firmware).
    
    Junkstar007 wrote:
    Can someone please help with an idiots guide to fixing the TLS 1 issue
    
    As Sandshark says, the TLS issue blocks web admin access (Frontview), not file transfer.
    
    One workaround is to use FireFox as the browser and set security.tls.version.min to 1 (browse to about:config and search for the setting).
    
    Once you have access, you can also modify a script on the NAS which will let you access Frontview using unencrypted HTTP in any browser. There is a step-by-step here:
    
    Workaround for ERR_SSL_VERSION_OR_CIPHER_MISMATCH problem for Sparc NAS (4.1.x firmware) | NETGEAR Communities
    
    Junkstar007 wrote:
    ability to transfer files to the NAS?
    
    This requires the SMB 1 client to be enabled. On windows, go into "turn windows features on or off" to enable it.
    
    There is no way to enable this on a Mac, so you'd need to enable AFP as a sharing protocol. Though Apple is planning to remove AFP, so this will be a problem going forward. You could also try NFS.
    
    Another path is to use FTP - there are several clients that work, including WinSCP (Windows only) and FileZilla (Windows and Mac). Not fully integrated into the OS, but transfers are possible.
    
    You are using a very old NAS (discontinued 14 years ago), so at some point you will need to switch to something current.
Sandshark
Sensei
Jan 20, 2026
TLS should not affect your ability to access files, except via HTTPS. Normal access via SMB is affected by SMB1 being all the NAS offers. So which is it you are trying to solve? Inability to access files (SMB issue), or inability to access Frontview (TLS issue)?
- Junkstar007
  Aspirant
  Jan 20, 2026
  I resolved the TLS issue by connecting with Firefox. Its accessing the box on Windows to upload and move files.
  
  Thanks
  - StephenB
    Guru - Experienced User
    Jan 20, 2026
    Junkstar007 wrote:
    I resolved the TLS issue by connecting with Firefox. Its accessing the box on Windows to upload and move files.
    
    SMB is the more common way, letting you access the files in File Explorer
Junkstar007
Aspirant
Jan 21, 2026
Thank you everyone, I managed to download the SSH and install it but when I try to connect using CMD in windows get this error

C:\>ssh root@xxx.xxx.x.xxx
Unable to negotiate with 192.168.8.238 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
- Junkstar007
  Aspirant
  Jan 21, 2026
  Sorted SSH withj putty.
Junkstar007
Aspirant
Jan 21, 2026
Making progress. SSH is installed and I can connect to it with putty.

I cant find a way of uploading the conf virtual file as internet explorer shows NAS but goes to the HTTPS address and file zill cannot connect. The password is correct as I use it in firefox.

Status: Connecting to 192.168.8.238:21...
Status: Connection established, waiting for welcome message...
Status: Plain FTP is insecure. Please switch to FTP over TLS.
Command: USER admin
Response: 331 Password required for admin
Command: PASS ********
Response: 530 Login incorrect.
Error: Critical error: Could not connect to server
- StephenB
  Guru - Experienced User
  Jan 21, 2026
  Junkstar007 wrote:
  internet explorer shows NAS but goes to the HTTPS address
  
  Do you mean Windows file explorer? Try entering \\192.168.8.238 in the address bar (using \\, NOT //).
  
  You can also try opening CMD and then entering
  
  net use * /d /y
  
  net use z: \\192.168.8.238\c /user:admin nas-admin-password
  
  The two different slash directions matter, so be very careful on the typing. Use the actual NAS password of course.
  
  As noted above, the SMB 1 client on the PC has to be enabled for this to work. Also, the NAS admin password can't be the factory default of netgear1.
  
  Ignore any warning on the first command. If both commands are successful, you will mount the full data volume as drive letter Z on the PC.
  
  Junkstar007 wrote:
  Status: Plain FTP is insecure. Please switch to FTP over TLS.
  
  Is FTP enabled for any share on the NAS?
  
  What FTP client are you using?
Junkstar007
Aspirant
Jan 21, 2026
Thank you everyone for your help.

I can now connect with any browser and brings up admin panel.

StephenB Thank you for the above instructions, worked a treat and was able to browse with the IP address and able to mount as well.

I am using filezilla,
Protocol: FTP
Encryption: Only use passive
Transfer setting:Passive

I have checked password and it is correct.
- StephenB
  Guru - Experienced User
  Jan 21, 2026
  Junkstar007 wrote:
  I have checked password and it is correct.
  
  Yes, but did you enable FTP for any of the shares in Frontview?