Requested by missk.
Debian package: https://packages.debian.org/sid/sbnc (removed after Jessie)
Doesn't exist as FreeBSD port, so best to add it Debian/Ubuntu only.
This requires a new Debian package to target Sid on armhf.
It could be according to https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=828538 an issue with OpenSSL 1.1