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 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Dec 2023 | Dec 2024 | Dec 2025 |
|---|---|---|---|---|---|---|---|---|---|
| bahamut | 97% | 58% | 58% | 39% | 52% | 24% | 24% | 25% | 22% |
| Hybrid | 29% | 22% | 18% | 12% | 10% | 11% | 12% | 8% | 6% |
| InspIRCd | 2% | 2% | 1% | 1% | 1% | 1% | 1% | 1% | 1% |
| IRCNet | 25% | 0% | 0% | 0% | 11% | 14% | 8% | 0% | 4% |
| IRCU | 69% | 57% | 80% | 54% | 36% | 45% | 56% | 38% | 17% |
| Nefarious | 100% | 85% | 72% | 54% | 37% | 29% | 13% | 7% | 4% |
| ngircd | 22% | 17% | 13% | 5% | 3% | 3% | 2% | 1% | 2% |
| UnrealIRCd | 47% | 36% | 29% | 20% | 13% | 11% | 9% | 7% | 6% |