RFC 1244

Citation
Internet Engineering Task Force (IETF), Site Security Handbook (RFC 1244) (July 1991) (full-text).

Overview
This document is a first attempt at providing Internet users guidance on how to deal with security issues on the Internet. This handbook is meant to be a starting place for further research and should be viewed as a useful resource, but not the final authority. Different organizations and jurisdictions will have different resources and rules.