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ProSafe Gigabit 8 Port VPN Firewall FVS318G Reference Manual
Firewall Protection and Content Filtering 4-3
v1.1, August 2010
Services-Based Rules
The rules to block traffic are based on the traffic’s category of service.
• Outbound Rules (service blocking). Outbound traffic is normally allowed unless the VPN
firewall is configured to disallow it.
• Inbound Rules (port forwarding). Inbound traffic is normally blocked by the VPN firewall
unless the traffic is in response to a request from the LAN side. The VPN firewall can be
configured to allow this otherwise blocked traffic.
• Customized Services. Additional services can be added to the list of services in the factory
default list. These added services can then have rules defined for them to either allow or block
that traffic (see “Adding Customized Services” on page 4-24).
• Quality of Service (QoS) priorities. Each service has its own native priority that impacts its
quality of performance and tolerance for jitter or delays. You can change the QoS priority
which will change the traffic mix through the system (see “Specifying Quality of Service
(QoS) Priorities” on page 4-26).
Outbound Rules (Service Blocking)
The VPN firewall allows you to block the use of certain Internet services by PCs on your network.
This is called service blocking or port filtering.
Note: See “Configuring Source MAC Filtering” on page 4-33 for yet another way to
block outbound traffic from selected PCs that would otherwise be allowed by the
VPN firewall.
Table 4-1. Outbound Rules
Item Description
Service Select the desired service or application to be covered by this rule. If the desired service
or application does not appear in the list, you must define it using the Services menu (see
“Adding Customized Services” on page 4-24).
Action Select the desired action for outgoing connections covered by this rule:
• BLOCK always.
• BLOCK by schedule, otherwise Allow .
• ALLOW always.
• ALLOW by schedule, otherwise Block.
Note: Any outbound traffic that is not blocked by rules you create will be allowed by the
default rule.
ALLOW rules are only useful if the traffic is already covered by a BLOCK rule. That is,
you wish to allow a subset of traffic that is currently blocked by another rule.
- ProSafe Gigabit 8 Port 1
- VPN Firewall FVS318G 1
- Reference Manual 1
- Additional Copyrights 3
- Contents 7
- About This Manual 13
- How to Print This Manual 14
- Revision History 14
- About This Manual xv 15
- Chapter 1 17
- Introduction 17
- 1-2 Introduction 18
- Security Features 19
- Extensive Protocol Support 20
- Package Contents 21
- 1-6 Introduction 22
- Figure 1-1 22
- Table 1-1. LED Descriptions 22
- Introduction 1-7 23
- Figure 1-2 23
- Qualified Web Browsers 24
- Chapter 2 25
- Logging into the VPN Firewall 26
- Navigating the Menus 27
- Figure 2-2 28
- Figure 2-3 29
- Figure 2-4 30
- Figure 2-5 31
- Figure 2-6 32
- Configuring the WAN Mode 33
- Configuring Dynamic DNS 35
- Figure 2-10 37
- Chapter 3 39
- LAN Configuration 39
- 3-2 LAN Configuration 40
- LAN Configuration 3-3 41
- Figure 3-1 41
- 3-4 LAN Configuration 42
- LAN Configuration 3-5 43
- Creating the Network Database 44
- Viewing the Network Database 45
- 3-8 LAN Configuration 46
- LAN Configuration 3-9 47
- Figure 3-3 47
- 3-10 LAN Configuration 48
- Figure 3-4 48
- LAN Configuration 3-11 49
- 3-12 LAN Configuration 50
- Figure 3-5 50
- LAN Configuration 3-13 51
- Configuring Static Routes 52
- LAN Configuration 3-15 53
- Figure 3-6 53
- Figure 3-7 53
- Static Route Example 54
- LAN Configuration 3-17 55
- Figure 3-8 55
- 3-18 LAN Configuration 56
- Chapter 4 57
- Services-Based Rules 59
- ., or an address range 62
- Figure 4-1 64
- Configuring LAN WAN Rules 65
- Figure 4-2 66
- Figure 4-3 67
- Configuring DMZ WAN Rules 68
- Configuring LAN DMZ Rules 69
- Figure 4-6 70
- Figure 4-7 70
- Inbound Rules Examples 71
- Figure 4-9 72
- Figure 4-10 73
- Outbound Rules Example 75
- Attack Checks 76
- Setting Session Limits 78
- Figure 4-15 79
- Adding Customized Services 80
- Figure 4-16 81
- Figure 4-17 82
- Creating Bandwidth Profiles 83
- Figure 4-18 84
- Figure 4-19 84
- Figure 4-20 86
- To enable Content Filtering: 88
- Figure 4-22 90
- Figure 4-23 92
- Configuring Port Triggering 93
- Figure 4-24 94
- Figure 4-25 95
- Figure 4-26 96
- Figure 4-27 96
- Administrator Tips 98
- Chapter 5 99
- Virtual Private Networking 99
- Figure 5-1 100
- Figure 5-2 100
- Figure 5-3 102
- Figure 5-4 102
- Figure 5-5 103
- Figure 5-6 104
- Figure 5-7 105
- Figure 5-8 105
- Figure 5-9 106
- Figure 5-10 107
- Figure 5-11 108
- Figure 5-12 109
- Figure 5-13 110
- Figure 5-14 110
- Figure 5-15 111
- Table 5-1 111
- Figure 5-16 112
- Managing VPN Policies 113
- Figure 5-18 114
- Figure 5-19 116
- Configuring VPN Policies 121
- Figure 5-20 122
- Figure 5-21 124
- Managing Certificates 128
- Figure 5-22 131
- Figure 5-23 132
- Figure 5-24 132
- Figure 5-25 133
- Figure 5-26 134
- Figure 5-27 135
- Figure 5-28 136
- Figure 5-29 138
- Figure 5-30 139
- Figure 5-31 141
- Mode Config Operation 142
- Figure 5-32 143
- Figure 5-33 144
- Recommended settings are: 146
- • Encryption Algorithm: 3DES 146
- • Diffie-Hellman: Group 2 146
- • SA Lifetime: 3600 seconds 146
- Figure 5-35 148
- Figure 5-36 149
- Figure 5-37 150
- Figure 5-38 150
- Configuring Keepalives 151
- Figure 5-39 152
- Figure 5-40 153
- Figure 5-41 154
- Chapter 6 155
- Management 162
- Figure 6-1 163
- Adding External Users 164
- Figure 6-4 166
- Figure 6-5 168
- Using an SNMP Manager 170
- Figure 6-6 171
- Figure 6-7 172
- Figure 6-8 173
- Figure 6-9 176
- Monitoring System Performance 177
- Figure 6-10 178
- Viewing the Logs 180
- Enabling the Traffic Meter 181
- Figure 6-12 182
- Figure 6-13 183
- Figure 6-14 184
- Figure 6-15 185
- Figure 6-16 186
- Monitoring Attached Devices 187
- Figure 6-18 188
- Viewing the VPN Logs 189
- Viewing the DHCP Log 190
- Chapter 7 193
- Troubleshooting 193
- Power LED Not On 194
- LEDs Never Turn Off 194
- Troubleshooting 7-3 195
- 7-4 Troubleshooting 196
- Troubleshooting 7-5 197
- Problems with Date and Time 199
- 7-8 Troubleshooting 200
- Figure 7-1 200
- Troubleshooting 7-9 201
- Table 7-1. Diagnostics 201
- 7-10 Troubleshooting 202
- Appendix A 203
- Appendix B 207
- Two Factor Authentication 207
- B-2 Two Factor Authentication 208
- Two Factor Authentication B-3 209
- Figure B-1 209
- Figure B-2 209
- B-4 Two Factor Authentication 210
- Figure B-3 210
- Appendix C 211
- Related Documents 211
- C-2 Related Documents 212
- Numerics 213
- Index-10 222
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