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
Using Diagnostic Tools
Chapter 23: Maintenance 709
Filter String Syntax
The following represents a list of basic filter string elements:
• and on page 709
• dst on page 710
• dst port on
pa
ge 710
• ether proto on page 711
• host on page 712
• not on
page 712
• or on page 71
3
• port on
page 713
• src
on page 714
• src port on p
a
ge 714
• tcp on page 715
• udp o
n
page 716
For detailed information on filter syntax, refer to http:
//www.tcpdump.org.
and
PURPOSE
The and element is used to concatenate filter string elements. The filtered packets must
match all concatenated filter string elements.
S
YNTAX
element and element [and element...]
element && element [&& element...]
P
ARAMETERS
element
String. A filter string element.