User Manual Part 2
Table Of Contents
- Using SmartDefense
- Using Antivirus and Antispam Filtering
- Overview
- Using VStream Antivirus
- Using VStream Antispam
- How VStream Antispam Works
- Header Marking
- Default Antispam Policy
- Enabling/Disabling VStream Antispam
- Viewing VStream Antispam Statistics
- Configuring the Content Based Antispam Engine
- Configuring the Block List Engine
- Configuring the IP Reputation Engine
- Configuring the VStream Antispam Policy
- Configuring the Safe Sender List
- Configuring VStream Antispam Advanced Settings
- Using Centralized Email Filtering
- Using Web Content Filtering
- Updating the Firmware
- Using Subscription Services
- Working With VPNs
- Overview
- Setting Up Your Safe@Office Appliance as a VPN Server
- Adding and Editing VPN Sites
- Viewing and Deleting VPN Sites
- Enabling/Disabling a VPN Site
- Logging in to a Remote Access VPN Site
- Logging Out of a Remote Access VPN Site
- Using Certificates
- Viewing VPN Tunnels
- Viewing IKE Traces for VPN Connections
- Viewing VPN Topology
- Managing Users
- Using Remote Desktop
- Controlling the Appliance via the Command Line
- Maintenance
- Viewing Firmware Status
- Upgrading Your Software Product
- Configuring a Gateway Hostname
- Configuring Syslog Logging
- Configuring HTTPS
- Configuring SNMP
- Setting the Time on the Appliance
- Using Diagnostic Tools
- Backing Up and Restoring the Safe@Office Appliance Configuration
- Using Rapid Deployment
- Resetting the Safe@Office Appliance to Defaults
- Running Diagnostics
- Rebooting the Safe@Office Appliance
- Using Network Printers
- Troubleshooting
- Specifications
- Glossary of Terms
- Index
SmartDefense Categories
Chapter 14: Using SmartDefense 427
Table 74: Packet Sanity Fields
In this field… Do this…
Action Specify what action to take when a packet fails a sanity test, by selecting
one of the following:
• Block. Block the packet. This is the default.
• None. No action.
Track Specify whether to issue logs for packets that fail the packet sanity tests, by
selecting one of the following:
• Log. Issue logs. This is the default.
• None. Do not issue logs.
Disable relaxed
UDP length
verification
The UDP length verification sanity check measures the UDP header length
and compares it to the UDP header length specified in the UDP header. If
the two values differ, the packet may be corrupted.
However, since different applications may measure UDP header length
differently, the Safe@Office appliance relaxes the UDP length verification
sanity check by default, performing the check but not dropping offending
packets. This is called relaxed UDP length verification.
Specify whether the Safe@Office appliance should relax the UDP length
verification sanity check or not, by selecting one of the following:
• True. Disable relaxed UDP length verification. The Safe@Office
appliance will drop packets that fail the UDP length verification
check.
• False. Do not disable relaxed UDP length verification. The
Safe@Office appliance will not drop packets that fail the UDP
length verification check. This is the default.