User's Manual
Table Of Contents
- ProSecure Web/Email Security Threat Management (STM) Appliance Reference Manual
- Contents
- About This Manual
- Chapter 1 Introduction
- Chapter 2 Using the Setup Wizard to Provision the STM in Your Network
- Choosing a Deployment Scenario
- Understanding the Steps for Initial Connection
- Logging In to the STM
- Using the Setup Wizard to Perform the Initial Configuration
- Setup Wizard Step 1 of 10: Introduction
- Setup Wizard Step 2 of 11: Networking Settings
- Setup Wizard Step 3 of 11: Time Zone
- Setup Wizard Step 4 of 11: Email Security
- Setup Wizard Step 5 of 11: Web Security
- Setup Wizard Step 6 of 11: Email Notification Server Settings
- Setup Wizard Step 7 of 11: Update Settings
- Setup Wizard Step 8 of 11: HTTP Proxy Settings
- Setup Wizard Step 9 of 11: Web Categories
- Setup Wizard Step 10 of 11: Configuration Summary
- Setup Wizard Step 11 of 11: Restarting the System
- Verifying Proper Installation
- Registering the STM with NETGEAR
- What to Do Next
- Chapter 3 Performing Network and System Management
- Configuring Network Settings
- Configuring Session Limits and Timeouts
- Configuring the HTTP Proxy Settings
- About Users with Administrative and Guest Privileges
- Configuring Remote Management Access
- Using an SNMP Manager
- Managing the Configuration File
- Updating the Software
- Configuring Date and Time Service
- Managing Digital Certificates
- Managing the Quarantine Settings
- Performance Management
- Chapter 4 Content Filtering and Optimizing Scans
- About Content Filtering and Scans
- Configuring E-mail Protection
- Configuring Web and Services Protection
- Configuring Application Control
- Setting Scanning Exclusions and Web Access Exceptions
- Chapter 5 Managing Users, Groups, and Authentication
- About Users, Groups, and Domains
- Configuring Groups
- Configuring User Accounts
- Configuring Authentication
- Global User Settings
- Viewing and Logging Out Active Users
- Chapter 6 Monitoring System Access and Performance
- Chapter 7 Troubleshooting and Using Online Support
- Appendix A Default Settings and Technical Specifications
- Appendix B Related Documents
- Index

ProSecure Web/Email Security Threat Management (STM) Appliance Reference Manual
2-12 Using the Setup Wizard to Provision the STM in Your Network
v1.0, September 2009
Setup Wizard Step 3 of 11: Time Zone
Subnet Mask Enter the IP subnet mask. The subnet mask specifies the network number
portion of an IP address. Unless you are implementing subnetting, use
255.255.255.0 as the subnet mask.
Gateway Address Enter the IP address of the gateway through which the STM is accessed.
Primary DNS Specify the IP address for the primary DNS server IP address.
Secondary DNS As an option , specify the IP address for the secondary DNS server IP address.
MTU Settings
Maximum Transmission
Unit
The maximum transmission unit (MTU) is the largest physical packet size that a
network can transmit. Packets that are larger than the MTU value are divided
into smaller packets before they are sent, an action that prolongs the
transmission process. For most Ethernet networks the MTU value is
1500 Bytes, which is the default setting.
Note: NETGEAR recommends synchronizing the STM’s MTU setting with that
of your network to prevent delays in transmission.
Figure 2-12
Table 2-1. Setup Wizard Step 2: Network Settings (continued)
Setting Description (or Subfield and Description)