Narrow Security Scanner 2000 searches for 297 remote vulnerabilities. Written in perl, tested on Redhat, FreeBSD, and OpenBSD, Slackware, and SuSE.
You can download it from the following link: https://packetstormsecurity.com/files/download/10398/NSS_2000pre7.tar.gz
Source: https://packetstormsecurity.com/files/10398/NSS_2000pre7.tar.gz.html