The latest work in progress of the Nessus security auditing tool for UNIX. This version has over 157 security checks, new plugins, and plugin bugfixes, RPC enhancements, and more.
You can download it from the following link: https://packetstormsecurity.com/files/download/12950/nessus-unstable-121398.tgz
Source: https://packetstormsecurity.com/files/12950/nessus-unstable-121398.tgz.html