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How to Reformat (Windows)  Nov 14, 2004

Instructions for reformatting a machine with Windows 2000 or Windows XP installed.

Keeping Third Party Applications Up to Date  Sep 30, 2005

Links and basic information about keeping third party applications like Mozilla Firefox and Real Player up to date

Windows Metafile Vulnerability  Jan 02, 2006

On December 28th, 2005, Microsoft announced a new vulnerability affecting .wmf and .emf files.

Allowing Program Access in Windows XP SP2  May 10, 2005

The Windows XP SP2 Firewall will block applications the first time they are seen. Here are instructions for allowing or denying access to programs.

Windows Update Information  Nov 15, 2004

Information on Windows Update and instructions for automating updates on Windows systems.

Choosing a Secure OS X Password  May 10, 2005

This document provides instructions for choosing a secure password in the OS X operating system.

OS X Firewall  May 10, 2005

This document provides instructions for turning on the OS X Firewall.

Protecting your Passwords  Nov 15, 2004

Advice for keeping your passwords safe at Columbia and elsewhere.

Rebooting Windows in Safe Mode  Nov 15, 2004

Instructions for rebooting Windows 98/2000/XP into Safe Mode.

Protect Yourself from Identity Theft  Jun 13, 2006

This document provides information on how to protect yourself from identity theft

Turning on the Windows XP Firewall  Nov 15, 2004

Instructions for turning on the firewall built in to Windows XP.

Finding your IP and MAC Addresses  Feb 15, 2006

This document provides a link to a script which will show the IP address and MAC address of a user's computer

Configuring Windows ME for Automatic Updates  Nov 15, 2004

Instructions for configuring automatic updates on Windows ME systems.

Valid SSH Keys  Mar 31, 2005

Valid SSH Keys for connecting to Cunix and Pinex.

Configuring Windows XP SP2 for Automatic Updates  Nov 15, 2004

Instructions for configuring automatic updates on Windows XP systems that have Service Pack 2 installed.

Configuring Windows 2000 for Automatic Updates  Nov 15, 2004

Instructions for configuring automatic updates on Windows 2000 systems.

Forwarding Messages with Full Headers  Nov 14, 2004

Instructions for forwarding messages with full headers in various email clients.

Configuring Windows XP (Pre-SP 2) for Automatic Updates  Nov 15, 2004

Instructions for configuring automatic updates on Windows XP systems not yet upgraded to Service Pack 2.

Choosing a Windows Password  Aug 26, 2005

Information and instructions related to choosing a password on a Windows system.

Protecting Data Using Encryption  Sep 09, 2005

This document gives some basic advice and links regarding local filesystem encryption.

Reformat in Windows XP without Updates  Nov 14, 2004

Advice and instructions for Windows XP users on reformatting their machine with minimal risk of reinfection.

Reformatting in Windows with an Update CD  Nov 14, 2004

Advice and instructions for Windows users on reformatting their machine with minimal risk of infection when an update CD is available.

Reformat in Windows 2000 without Updates  Nov 14, 2004

Advice and instructions for Windows 2000 users on reformatting their machine with minimal risk of reinfection.

Send reports of security incidents, attacks, or questions to security@columbia.edu