Disable TLS

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IT&Operations > Security > Windows Server

 

To disable old unsecured protocols such as SSL3.0/TLS.10/TLS1.1, you need to modify some registry keys in the windows server.

 

Steps

1.Press Win+r and type "regedit.exe"

DisableTLS1

 

2.Go to "HKEY_LOCAL_MACHINE\SYSTEM\\CurrentControlSet\\Control\\SecurityProviders\\SCHANNEL\\Protocols\\"

DisableTLS2 DisableTLS3

 

3.Right-click on the "Protocols" key and click on New->Key.

DisableTLS4

 

4.Name this new key regarding the protocols you want to disable (SSL3.0/TLS1.0/TLS1.1)

DisableTLS5

 

5.Right-Click on the new key and click on on New->Key

DisableTLS6

6.Name this key "Server"

DisableTLS7

 

7.Right-Click on the new key and click on New->DWORD(32 bits) value.

DisableTLS8

 

8.Name it "Enabled" and let the value to "0"

DisableTLS9

 

9.Right-Click again on the protocol key and click on on New->Key

DisableTLS10

 

10.Name this key "Client"

DisableTLS11

 

11.Right-Click on the new key and click on New->DWORD(32 bits) value.

DisableTLS12

 

12.Name it "Enabled" and let the value to "0"

DisableTLS13

 

13.Repeat each steps 3 to 12 for each protocol you want to disable.