Barracuda Networks 4 Spécifications Page 3
- Page / 92
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Administrator’s Guide
3
Contents
Chapter 1 – Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Spyware-blocking techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Content-filtering techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
User and group-based policy control . . . . . . . . . . . . . . . . . . . . . . . 9
Application-blocking techniques. . . . . . . . . . . . . . . . . . . . . . . . . . 9
Energize Updates minimize administration and maximize protection . . . . . . . 9
Deploying the Barracuda Web Filter . . . . . . . . . . . . . . . . . . . . . . . . 11
Inline pass-through (transparent) mode . . . . . . . . . . . . . . . . . . . . . 11
Forward proxy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Chapter 2 – Installation and Configuration . . . . . . . . . . . . 15
Network considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
External DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Internal DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Enterprise class Layer 3 switch, VLANS, VPN concentrators . . . . . . . 16
Firewall DMZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Internal servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
QoS/packet reconfiguration (Quality of Service, packet shapers) . . . . . 17
Mounting and cabling considerations . . . . . . . . . . . . . . . . . . . 17
Installing and configuring the Barracuda Web Filter . . . . . . . . . . . . . . . . 18
Step 1. Verify that you have the necessary equipment . . . . . . . . . . 18
Step 2. Install the Barracuda Web Filter . . . . . . . . . . . . . . . . . . 18
Step 3. Configure the Barracuda Web Filter IP and network settings . . . 19
Step 4. Configure your corporate firewall . . . . . . . . . . . . . . . . . 20
Step 5. Configure the Barracuda Web Filter . . . . . . . . . . . . . . . . 20
Step 6. Update the Barracuda Web Filter firmware . . . . . . . . . . . . 21
Step 7. Verify your subscription status . . . . . . . . . . . . . . . . . . . 22
Step 8. Update the definitions . . . . . . . . . . . . . . . . . . . . . . . 23
Step 9. Integrate the Barracuda Web Filter into your network . . . . . . . 23
Step 10. Test and adjust the Barracuda Web Filter . . . . . . . . . . . . 24
Connecting the Barracuda Web Filter to your network . . . . . . . . . . . . . 24
Advanced installation topics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Inline pass-through with pre-existing proxy deployment . . . . . . . . . . . . 26
Supported pre-existing proxy types . . . . . . . . . . . . . . . . . . . . 27
Connecting inline to your network with a pre-existing proxy server . . . . . . . 28
Chapter 3 – Configuring, Monitoring, and Managing the
Barracuda Web Filter . . . . . . . . . . . . . . . . . 31
Configuring the Barracuda Web Filter . . . . . . . . . . . . . . . . . . . . . . . 32
Configuring system IP information . . . . . . . . . . . . . . . . . . . . . . . 32
- Barracuda Networks Inc 1
- 3175 S. WInchester Blvd 1
- Campbell, CA 95008 1
- Chapter 1 7
- Introduction 7
- 10 Chapter 1: Introduction 10
- 12 Chapter 1: Introduction 12
- 14 Chapter 1: Introduction 14
- Network considerations 16
- Firewall DMZ 17
- Internal servers 17
- Administrator’s Guide 19
- Deployment Type Next Step 23
- Chapter 3 31
- Barracuda Web Filter 31
- Setting up linked management 32
- Content filtering 37
- Application filtering 37
- Domain filtering 38
- URL pattern filtering 38
- Custom categories filtering 38
- Block messages 39
- Exception policies 40
- HTTPS filtering option 41
- Testing Web site access 42
- Viewing the application log 45
- Generating system reports 46
- Viewing system tasks 46
- Replacing a failed system 49
- Reboot options 51
- Chapter 4 53
- Managing Users and Groups 53
- Overview 54
- Creating local user accounts 55
- Creating local groups 55
- Creating IP address groups 55
- Viewing and managing accounts 61
- Appendix A 63
- Barracuda Web Filter 610 65
- Hardware compliance 71
- Appendix B 73
- Regular Expressions 73
- Examples 74
- Appendix C 75
- Limited Warranty and License 75
- Exclusions and restrictions 76
- Software license 76
- Open Source Licensing 81
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