Disabling Diffie-Hellman on IIS Servers
Procedure
- Add or modify the following Registry key on each web server:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\
SCHANNEL\KeyExchangeAlgorithms\Diffie-Hellman\
Enabled = 0 (DWORD value)
- Restart the web server for the changes to take effect.
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