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McAfee Network Security Platform 6.0 manual available for free PDF download: Troubleshooting Manual
McAfee Network Security Platform 6.0 Troubleshooting Manual (95 pages)
Troubleshooting Guide
Brand:
McAfee
| Category:
Firewall
| Size: 0 MB
Table of Contents
Table of Contents
3
About this Guide
5
Audience
5
Introducing Mcafee Network Security Platform
5
Preface
5
Conventions Used in this Book
6
Related Documentation
7
Contacting Technical Support
8
Information Requested for Troubleshooting
8
Chapter 1 Before You Install
10
Pre-Installation Recommendations
10
Planning for Installation
10
Functional Requirements
11
Using Anti-Virus Software with the Manager
13
User Interface Responsiveness
14
Chapter 2 Hardening the Manager Server for Windows 2003
15
Introduction
15
Install a Desktop Firewall
15
Harden the Mysql Installation
15
Remove Test Database
16
Remove Local Anonymous Users
16
Remove Remote Anonymous Users
16
Secure Mysql Remote Access
17
Rolling Back Your Changes
18
Remove Debug Shell at Port 9001
18
Other Best Practices for Securing Manager
18
Chapter 3 Hardening the Manager Server for Windows 2008
19
Pre-Installation
19
Installation
19
Post Installation
19
Disabling Non-Required Services
20
Setting System Policies
20
Setting User Policies
20
Setting a Desktop Firewall
20
Configuring Audit Events
21
Chapter 4 Troubleshooting Network Security Platform
23
Facilitating Troubleshooting
23
Starting Your Troubleshooting
24
Difficulties Connecting Sensor and Manager
24
Network Connectivity
24
Inconsistency in Sensor and Manager Configuration
24
Software or Signature Set Incompatibility
24
Firewall between the Devices
25
Management Port Configuration
25
Connectivity Issues between the Sensor and Other Network Devices
26
Duplex Mismatches
26
Valid Auto-Negotiation and Speed Configurations
26
Explanation of Catos Show Port Command Counters
29
Auto-Negotiation
30
Checking Sensor Health
31
Pinging a Sensor
31
Ensuring that the Sensor Is Receiving Traffic
31
Checking Sensor Failover Status
32
Cabling Failover through a Network Device
32
Checking Whether a Signature or Software Update was Successful
33
Checking Status of a Download or Upload
33
Conditions Requiring a Sensor Reboot
33
Rebooting a Sensor Via the Manager
34
Rebooting a Sensor Using the Reboot Command
34
Sensor Doesn't Boot
34
Debugging Critical Sensor Issues
34
Loss of Connectivity between the Sensor and Manager
38
How Sensor Handles New Alerts During Connectivity Loss
39
Manager Connectivity to the Database
39
Manager Database Is Full
40
Error on Accessing the Configuration Page
40
Sensor Response if Its Throughput Is Exceeded
40
Mysql Issues
41
How Sensors Handle Various Types of Traffic
41
Jumbo Ethernet Frames
41
ISL Frames
41
Sensor Failover Issues
42
External Fail-Open Kit Issues in Connecting to the Monitoring Port
42
XC Cable Connection Issues for M8000 Sensors
42
Chapter 5 Determining False Positives
43
Reducing False Positives
43
Tune Your Policies
43
About False Positives and "Noise
44
Determining a False Positive Versus Noise
45
Chapter 6 System Fault Messages
47
Critical Faults
47
Error Faults
64
Warning Faults
70
Informational Faults
74
Other Faults
85
Chapter 7 Error Messages
86
Error Messages for RADIUS Servers
86
Error Messages for LDAP Server
87
Chapter 8 Using the Infocollector Tool
88
Introduction
88
Running the Infocollector
89
Using Infocollector
89
Chapter 9 Automatically Restarting a Failed Manager with Manager Watchdog
90
Introduction
90
How the Manager Watchdog Works
90
Installing Manager Watchdog
91
Starting Manager Watchdog
91
Using Manager Watchdog with Manager in an MDR Configuration
91
Tracking Manager Watchdog Activities
91
Chapter 10 Utilizing the Mcafee Knowledge Base
93
Index
95
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