CERT Tech Tips

2006 Tech Tip: UNIX Configuration Guidelines

January 1, 2006 • White Paper

By Software Engineering Institute

Describes commonly exploited UNIX system configuration problems and recommends practices that can be used to help deter several types of break-ins.

Read

2003 Tech Tip: W32/Blaster Recovery Tips

January 1, 2003 • White Paper

By Software Engineering Institute

Contains instructions designed for recovering from the W32/Blaster worm on Windows XP.

Read

2002 Tech Tip: A Brief Tour of the Simple Network Management Protocol

January 1, 2002 • White Paper

By Software Engineering Institute

Provides a brief overview of the Simple Network Management Protocol (SNMP).

Read

2002 Tech Tip: Email Bombing and Spamming

January 1, 2002 • White Paper

By Software Engineering Institute

Describes email bombing and spamming and discusses detection, reaction, and prevention.

Read

2002 Tech Tip: Problems With The FTP PORT Command or Why You Don't Want Just Any Port in a Storm

October 16, 2002 • White Paper

By Software Engineering Institute

Describes the PORT command in FTP protocol, gives examples, and discusses solutions.

Read

2002 Tech Tip: Securing an Internet Name Server

August 1, 2002 • White Paper

By Allen D. Householder, Brian King

Discusses name server security and focuses on BIND, which is the most commonly used software for DNS servers.

Read

2002 Tech Tip: Securing Your Web Browser

January 1, 2002 • White Paper

By Will Dormann, Jason Rafail

This tech tip will help any person with limited IT support and broadband to secure their web browser.

Read

2002 Tech Tip: Spoofed/Forged Email

January 1, 2002 • White Paper

By Software Engineering Institute

Contains a description of email spoofing, discusses technical issues, and provides advice.

Read

2001 Tech Tip: Cross-Site Scripting Vulnerabilities

January 1, 2001 • White Paper

By Jason Rafail

In this paper, Jason Rafail discusses cross-site scripting vulnerabilities.

Read

2001 Tech Tip: Home Network Security

January 1, 2001 • White Paper

By Software Engineering Institute

This tech tip contains a discussion about home network security.

Read

2001 Tech Tip: Managing the Threat of Denial-of-Service Attacks

October 1, 2001 • White Paper

By Allen D. Householder, Art Manion, Linda Pesante

In this 2001 paper, the authors describe the then-current situation regarding denial-of-service (DOS) attacks and ways of addressing the problem.

Read

2001 Tech Tip: Trends in Denial of Service Attack Technology

October 1, 2001 • White Paper

By Kevin Houle, George Weaver

In this 2001 paper, the authors highlight trends in the deployment, use, and impact of DoS attack technology based on intruder activity and attack tools.

Read

2001 Tech Tip: Using PGP to Verify Digital Signatures

January 1, 2001 • White Paper

By Shawn Hernan, Linda Pesante

This white paper discusses how to use Pretty Good Privacy (PGP) to verify digital signatures.

Read

2000 Tech Tip: Finding Site Contacts

January 1, 2000 • White Paper

By Software Engineering Institute

This tech tip describes contact methods, converting between domain names and IP numbers, finding contact information based on domain names and also IP numbers.

Read

2000 Tech Tip: Frequently Asked Questions About Malicious Web Scripts Redirected by Web Sites

December 31, 2000 • White Paper

By Software Engineering Institute

This 2000 Tech Tip answers frequently asked questions regarding malicious web scripts.

Read

1999 Tech Tip: Frequently Asked Questions About the Melissa Virus

January 1, 2000 • White Paper

By Software Engineering Institute

This tech tip provides answers to frequently asked questions regarding the Melissa virus.

Read

2000 Tech Tip: Steps for Recovering from a UNIX or NT System Compromise

January 1, 2000 • White Paper

By Software Engineering Institute

This 2000 tech tip contains discussion about recovering from a UNIX or NT system compromise.

Read

2000 Tech Tip: Understanding Malicious Content Mitigation for Web Developers

January 1, 2000 • White Paper

By Software Engineering Institute

This 2000 tech tip contains discussion about malicious content mitigation.

Read

1997 Tech Tip: Denial of Service Attacks

January 1, 1997 • White Paper

By Software Engineering Institute

This 1997 CERT Division tech tip describes denial-of-service attacks.

Read