Disable SSL access for Sonicwall RC4 Cipher

To disable RC4 security on the Sonic wall use the diag.html  page. 

You can access it by type the following: 

https://Your_Sonicwall_IP_Address/diag.html.

Go to "Encryption Settings"  and uncheck "   "enable RC4-Only Cipher suite support".

NOTE: the device will need a reboot.