The information contained in these directories is old stuff and unlikely to be effective now as it was collected near thirty years ago. Its collected here for archive purposes. A lot of the websites its drawn from no longer exist, and would have be accessed via the Internet Archine.
Intrusion Detection: https://weycrest.net/information/infosec/info/IDS
Operating Systems: https://weycrest.net/information/infosec/info/OS
FreeBSD: https://weycrest.net/information/infosec/info/OS/FreeBSD
Linux: https://weycrest.net/information/infosec/info/OS/Linux/
OpenBSD: https://weycrest.net/information/infosec/info/OS/OpenBSD/
Sysadmin: https://weycrest.net/information/infosec/info/admin/
Authentication: https://weycrest.net/information/infosec/info/authentication/
Detecting backdoors: https://weycrest.net/information/infosec/info/backdoors/
BGP for beginners: https://weycrest.net/information/infosec/info/bgp4/
Buffer Overflows: https://weycrest.net/information/infosec/info/buffer_overflows/
Cracking: https://weycrest.net/information/infosec/info/cracking/
Encryption: https://weycrest.net/information/infosec/info/encryption/
Exploits: https://weycrest.net/information/infosec/info/exploits/
Firewalls: https://weycrest.net/information/infosec/info/firewalls/
Forensics: https://weycrest.net/information/infosec/info/forensics/
Hacking: https://weycrest.net/information/infosec/info/hacking/
Honeynet: https://weycrest.net/information/infosec/info/honeynet/
ICMP: https://weycrest.net/information/infosec/info/icmp/
Miscellaneous: https://weycrest.net/information/infosec/info/misc/
P2P: https://weycrest.net/information/infosec/info/p2p/
Phrack: https://weycrest.net/information/infosec/info/phrack/
Programming: https://weycrest.net/information/infosec/info/programming/
Protocols: https://weycrest.net/information/infosec/info/protocol/
RFC’s: https://weycrest.net/information/infosec/info/rfc/
Security: https://weycrest.net/information/infosec/info/security/
Sniffers: https://weycrest.net/information/infosec/info/sniffers/
Tools: https://weycrest.net/information/infosec/info/tools/
Topology: https://weycrest.net/information/infosec/info/topology/
Wireless: https://weycrest.net/information/infosec/info/wireless/
“No Bugs” (Bill Gates) : https://weycrest.net/information/infosec/info/nobugs.html
Good Jargon: https://weycrest.net/information/infosec/info/good-jargon.html