Server Features » TLS Forward Secrecy » Yes » charybdis

TLS Forward Secrecy: Yes

Percentage of IRC SSL/TLS servers with Forward Secrecy enabled. Showing percentages for charybdis servers only.

About this test result: Forward Secrecy enabled. This means that even if the TLS private keys are stolen from this server, past SSL/TLS traffic cannot be decrypted.
Note on statistics: there is a difference in the gathering of TLS servers between 2017-2019 and 2020-onwards, see SSL/TLS statistics on the data page.

Table

Percentage of IRC SSL/TLS servers with Forward Secrecy enabled. Showing percentages for charybdis servers only.
Version Sep 2017Dec 2018Dec 2019Dec 2020Dec 2021Dec 2022Dec 2023
3.3 83% 89% 100% 100% 100% 100% 100%
3.4 93% 100% 100% 100% 100% 100% 100%
3.5 100% 99% 100% 100% 100% 100% 100%
4.0 0% 100% 100% 100% 100% 100% 100%
4.1 100% 92% 100% 100% 100% 100% 100%
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