CERT Tech Tips

2006 Tech Tip: UNIX Configuration Guidelines

January 1, 2006 • SEI Report

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.

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2003 Tech Tip: W32/Blaster Recovery Tips

January 1, 2003 • SEI Report

By Software Engineering Institute

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

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

January 1, 2002 • SEI Report

By Software Engineering Institute

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

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2002 Tech Tip: Email Bombing and Spamming

January 1, 2002 • SEI Report

By Software Engineering Institute

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

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

October 16, 2002 • SEI Report

By Software Engineering Institute

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

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2002 Tech Tip: Securing an Internet Name Server

August 1, 2002 • SEI Report

By Allen D. Householder, Brian King

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

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2002 Tech Tip: Securing Your Web Browser

January 1, 2002 • SEI Report

By Will Dormann, Jason Rafail

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

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2002 Tech Tip: Spoofed/Forged Email

January 1, 2002 • SEI Report

By Software Engineering Institute

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

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2001 Tech Tip: Cross-Site Scripting Vulnerabilities

January 1, 2001 • SEI Report

By Jason Rafail

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

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2001 Tech Tip: Home Network Security

January 1, 2001 • SEI Report

By Software Engineering Institute

This tech tip contains a discussion about home network security.

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

October 1, 2001 • SEI Report

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.

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2001 Tech Tip: Trends in Denial of Service Attack Technology

October 1, 2001 • SEI Report

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.

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2001 Tech Tip: Using PGP to Verify Digital Signatures

January 1, 2001 • SEI Report

By Shawn Hernan, Linda Pesante

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

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2000 Tech Tip: Finding Site Contacts

January 1, 2000 • SEI Report

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.

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

December 31, 2000 • SEI Report

By Software Engineering Institute

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

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

January 1, 2000 • SEI Report

By Software Engineering Institute

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

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2000 Tech Tip: Understanding Malicious Content Mitigation for Web Developers

January 1, 2000 • SEI Report

By Software Engineering Institute

This 2000 tech tip contains discussion about malicious content mitigation.

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1999 Tech Tip: Frequently Asked Questions About the Melissa Virus

January 1, 2000 • SEI Report

By Software Engineering Institute

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

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1997 Tech Tip: Denial of Service Attacks

January 1, 1997 • SEI Report

By Software Engineering Institute

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

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