How to disable TLS 1.0 in a Cisco SG300 switch?

To disable TLS 1.0 on a Cisco SG300 switch via the UI, as shared by others, you could follow these steps:

• Log in to the SG300 web interface.


• Navigate to Security > SSL/TLS.


• Under SSL/TLS Version, select the TLS 1.1 and higher option.


• Click Apply.

They say these steps will disable TLS 1.0 on the SG300 switch.

Please remember that disabling TLS 1.0 may impact some older devices and applications. Ensure all your devices and applications support TLS 1.1 or higher before disabling TLS 1.0.

Additional Troubleshooting Tips from others include the following:

• If you are having problems after disabling TLS 1.0, try enabling TLS 1.1 and TLS 1.2 only.


• If you are still having problems, you can try enabling all TLS versions but set the priority to TLS 1.1 and TLS 1.2.


• If you still need help, you may need to contact Cisco support for assistance.