Firewalls and Internet Security: Repelling the Wily Hacker
by William R. Cheswick, Steven M. Bellovin
Publisher: Addison-Wesley 1994
The book gives invaluable advice and practical tools for protecting our computers. You will learn how to plan and execute a security strategy that will thwart the most determined and sophisticated of hackers, while still allowing your company easy access to Internet services. In particular, the authors show step-by-step how to set up a "firewall" gateway - a dedicated computer equipped with safeguards that acts as a single, more easily defended, Internet connection.
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The OpenSSH protocol suite provides secure remote access and file transfer. This book is for fellow users of OpenSSH to help them save effort and time through using OpenSSH, and especially SFTP, where it makes sense to use it.
by Gordon Fyodor Lyon - Nmap Project
The official guide to the Nmap Security Scanner, a free and open source utility used by millions of people for network discovery, administration, and security auditing. This book suits all levels of security and networking professionals.
by Leo Notenboom - Puget Sound Software
In this free 113 page ebook I summarize popular articles from covering the basics -- the things you must do, the software you must run and the concepts you need to be aware of -- to keep your computer and your data safe as you use the internet.
This guide reviews the main security risks of deploying Intranets and Extranets and will discuss the five fundamental goals of a security system: privacy, authentication, content integrity, non-repudiation, and ease of use.