Table of Contents
Preface
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14
1. NetDefendOS Overview
....................................................................................
16
1.1. Features
................................................................................................
16
1.2. NetDefendOS Architecture
......................................................................
19
1.2.1. State-based Architecture
...............................................................
19
1.2.2. NetDefendOS Building Blocks
.......................................................
19
1.2.3. Basic Packet Flow
........................................................................
20
1.3. NetDefendOS State Engine Packet Flow
.....................................................
23
2. Management and Maintenance
............................................................................
28
2.1. Managing NetDefendOS
..........................................................................
28
2.1.1. Overview
...................................................................................
28
2.1.2. The Default Administrator Account
.................................................
29
2.1.3. The Web Interface
.......................................................................
29
2.1.4. The CLI
.....................................................................................
33
2.1.5. CLI Scripts
.................................................................................
41
2.1.6. Secure Copy
...............................................................................
45
2.1.7. The Console Boot Menu
...............................................................
47
2.1.8. Management Advanced Settings
.....................................................
48
2.1.9. Working with Configurations
.........................................................
49
2.2. Events and Logging
................................................................................
55
2.2.1. Overview
...................................................................................
55
2.2.2. Log Messages
.............................................................................
55
2.2.3. Creating Log Receivers
.................................................................
56
2.2.4. Logging to MemoryLogReceiver
....................................................
56
2.2.5. Logging to Syslog Hosts
...............................................................
56
2.2.6. SNMP Traps
...............................................................................
58
2.2.7. Advanced Log Settings
.................................................................
59
2.3. RADIUS Accounting
..............................................................................
60
2.3.1. Overview
...................................................................................
60
2.3.2. RADIUS Accounting Messages
......................................................
60
2.3.3. Interim Accounting Messages
........................................................
62
2.3.4. Activating RADIUS Accounting
.....................................................
62
2.3.5. RADIUS Accounting Security
........................................................
62
2.3.6. RADIUS Accounting and High Availability
......................................
62
2.3.7. Handling Unresponsive Servers
......................................................
63
2.3.8. Accounting and System Shutdowns
.................................................
63
2.3.9. Limitations with NAT
...................................................................
63
2.3.10. RADIUS Advanced Settings
........................................................
63
2.4. Hardware Monitoring
..............................................................................
65
2.5. SNMP Monitoring
..................................................................................
67
2.5.1. SNMP Advanced Settings
.............................................................
68
2.6. The
pcapdump
Command
........................................................................
70
2.7. Maintenance
..........................................................................................
73
2.7.1. Auto-Update Mechanism
...............................................................
73
2.7.2. Backing Up Configurations
...........................................................
73
2.7.3. Restore to Factory Defaults
............................................................
74
3. Fundamentals
...................................................................................................
77
3.1. The Address Book
..................................................................................
77
3.1.1. Overview
...................................................................................
77
3.1.2. IP Addresses
...............................................................................
77
3.1.3. Ethernet Addresses
.......................................................................
79
3.1.4. Address Groups
...........................................................................
80
3.1.5. Auto-Generated Address Objects
....................................................
81
3.1.6. Address Book Folders
...................................................................
81
3.2. Services
................................................................................................
82
3.2.1. Overview
...................................................................................
82
3.2.2. Creating Custom Services
..............................................................
83
4