Server Features » TLS Negotiated cipher » AES-256

TLS negotiated cipher: AES-256

Percentage of IRC SSL/TLS servers with cipher negotiated as AES-256 cipher. Showing percentages by IRC server software.

About this test result: AES-256 (Advanced Encryption Standard) is a widely used secure encryption algorithm.
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 cipher negotiated as AES-256 cipher. Showing percentages by IRC server software.
Software Sep 2017Dec 2018Dec 2019Dec 2020Dec 2021
bahamut 100% 67% 100% 100% 100%
charybdis 100% 83% 82% 82% 81%
Ergo 0% 0% 0% 0% 65%
Hybrid 99% 98% 99% 98% 99%
InspIRCd 99% 98% 96% 95% 96%
IRCNet 100% 100% 50% 100% 100%
IRCU 98% 90% 100% 100% 100%
Nefarious 100% 95% 100% 100% 100%
ngircd 92% 88% 97% 97% 97%
Ratbox 100% 100% 97% 99% 100%
Seven 100% 96% 100% 100% 100%
UnrealIRCd 99% 80% 70% 53% 37%
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