Server Features » TLS Forward Secrecy » No

TLS Forward Secrecy: No

Percentage of IRC SSL/TLS servers with Forward Secrecy unavailable. Showing percentages by IRC server software.

About this test result: Forward Secrecy unavailable. This means that if the TLS private keys are stolen from this server, captured SSL/TLS traffic from the past can easily 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 unavailable. Showing percentages by IRC server software.
Software Sep 2017Dec 2018Dec 2019Dec 2020Dec 2021
bahamut 97% 92% 58% 39% 52%
Hybrid 29% 22% 18% 12% 10%
InspIRCd 2% 3% 1% 1% 1%
IRCNet 25% 0% 0% 0% 11%
IRCU 69% 63% 80% 54% 36%
Nefarious 100% 91% 72% 54% 37%
ngircd 22% 21% 13% 5% 3%
Ratbox 1% 2% 2% 0% 2%
UnrealIRCd 47% 39% 29% 20% 13%
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