Server Features » TLS Key exchange group » DH » Ratbox

TLS Key exchange group: DH

Percentage of IRC SSL/TLS servers with key exchange Diffie-Hellman (DH) - Any bit size (old, rarely used).
Showing percentages for Ratbox servers only.

About this test result: Old-style Diffie-Hellman (DH) key exchange. This uses static keys and provides no Forward Secrecy. It's old and rarely used.

Table

Percentage of IRC SSL/TLS servers with key exchange Diffie-Hellman (DH) - Any bit size (old, rarely used).
Showing percentages for Ratbox servers only.
Version Dec 2025
3.0 6%
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