McAfee M4050 Troubleshooting Guide - Page 3

Contents Preface ...v Introducing McAfee Network Security Platform v About this Guide...v Audience ...v Conventions used in this book ...vi Related Documentation...vii Contacting Technical Support ...viii Information requested for Troubleshooting viii Chapter 1 Before You Install 1 Pre-installation recommendations 1 Planning for installation ...1 Functional requirements...2 Using anti-virus software with the Manager 4 User interface responsiveness 5 Chapter 2 Hardening the Manager Server for Windows 2003 6 Introduction...6 Install a desktop firewall ...6 Harden the MySQL installation...6 Remove test database ...7 Remove local anonymous users 7 Remove remote anonymous users 7 Secure MySQL remote access 8 Rolling back your changes ...9 Remove debug shell at port 9001 9 Other best practices for securing Manager 9 Chapter 3 Hardening the Manager Server for Windows 2008 10 Pre-installation...10 Installation ...10 Post Installation ...10 Disabling non-required Services 11 Setting System Policies...11 Setting User Policies ...11 Setting a Desktop Firewall 11 Configuring Audit Events...12 Chapter 4 Troubleshooting Network Security Platform 14 Facilitating troubleshooting...14 Starting your troubleshooting ...15 Difficulties connecting Sensor and Manager 15 Network connectivity ...15 Inconsistency in Sensor and Manager configuration 15 Software or signature set incompatibility 15 Firewall between the devices 16 Management port configuration 16 Connectivity issues between the Sensor and other network devices 17 Duplex mismatches ...17 Valid auto-negotiation and speed configurations 17 Explanation of CatOS show port Command Counters 20 Auto-negotiation ...21 iii