User Guide
ix
Configuring the POP3 Proxy
...............................................................................116
Setting access control options
..............................................................................117
Setting proxy limits
..............................................................................................117
Filtering email content
.........................................................................................119
Using the SMTP Proxy
.......................................................................................120
Configuring the SMTP Proxy
..............................................................................120
Setting access control options
..............................................................................121
Setting proxy limits
..............................................................................................121
Deny Message
....................................................................................................122
Filtering email by address pattern
.........................................................................123
Filtering email content
.........................................................................................123
Adding a Custom Proxy Policy
...........................................................................125
Adding a custom SMTP proxy policy
.....................................................................126
Using Additional Services for Proxies
................................................................126
Gateway AntiVirus/Intrusion Prevention Service
....................................................126
WebBlocker
........................................................................................................126
spamBlocker
.......................................................................................................126
9
Intrusion Prevention
Adding a Site to the Permanent Blocked Sites List
............................................127
Blocking Sites Temporarily
..................................................................................128
Blocking Ports
.....................................................................................................129
Avoiding problems with blocked ports
...................................................................130
Adding a port to the blocked ports list
...................................................................130
Preventing Denial-of-Service Attacks
.................................................................131
Dropping Flood Attacks
.......................................................................................131
Distributed Denial-of-Service Prevention
...............................................................132
Configuring Firewall Options
...............................................................................133
10
Traffic Management
About Network Traffic
..........................................................................................135
Causes for slow network traffic
.............................................................................135
Traffic Categories
................................................................................................136
Interactive traffic
..................................................................................................136
High priority
........................................................................................................136
Medium priority
...................................................................................................136
Low priority
.........................................................................................................136
Traffic Marking
.....................................................................................................136
Configuring Traffic Control
..................................................................................138
Enabling traffic control
.........................................................................................139
Adding a traffic control filter
..................................................................................140
Editing a traffic control filter
..................................................................................141
Changing the priority of a traffic control filter
..........................................................142
Removing a traffic control filter
.............................................................................142
Working with Firewall NAT
..................................................................................142
NAT types
...........................................................................................................142
NAT behavior
......................................................................................................143
Secondary IP addresses
......................................................................................143
Using 1-to-1 NAT
.................................................................................................143
Summary of Contents for Firebox X20E
Page 20: ...The Firebox X Edge and Your Network 8 Firebox X Edge e Series...
Page 32: ...Using the Quick Setup Wizard 20 Firebox X Edge e Series...
Page 64: ...Viewing the Configuration File 52 Firebox X Edge e Series...
Page 92: ...Configuring BIDS 80 Firebox X Edge e Series...
Page 102: ...Configuring the Wireless Card on Your Computer 90 Firebox X Edge e Series...
Page 114: ...Configuring Policies for the Optional Network 102 Firebox X Edge e Series...
Page 138: ...Using Additional Services for Proxies 126 Firebox X Edge e Series...
Page 158: ...Working with Firewall NAT 146 Firebox X Edge e Series...
Page 166: ...Using Certificates on the Firebox X Edge 154 Firebox X Edge e Series...
Page 208: ...Updating Gateway AV IPS 196 Firebox X Edge e Series...
Page 220: ...Frequently Asked Questions 208 Firebox X Edge e Series...
Page 302: ...Limited Hardware Warranty 290 Firebox X Edge e Series...
Page 310: ...298 Firebox X Edge e Series...