Sidewinder G2 6.1.1 Administration Guide - Glossary of Technical ...

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Managing an HA cluster 16-26 High Availability 2. [Conditional] If you selected Primary-Standby in the previous step, select one of the following options in the Cluster Mode area: Primary—Select this option if this will be the primary in your network. (This option is only used for the dedicated primarystandby HA configuration.) Standby—Select this option if this Sidewinder G2 is a standby in your network, or if you are configuring peer-to-peer HA. Note: For peer-to-peer HA, you must configure EACH Sidewinder G2 as a standby. 3. In the Control field, select Enabled to enable HA for this Sidewinder G2. (To disable HA, select Disabled.) Note: You must reboot before the HA configuration will take effect. 4. [Conditional] In the Takeover Time field specify the number of seconds that the primary must be unavailable before the secondary/standby will begin the takeover process. Note: If the primary in an HA cluster goes into failure mode and the secondary/ standby is not available, the primary will remain as the primary, but the Takeover Time value for that Sidewinder G2 will change to one, ensuring that if a secondary/ standby becomes available, it can take over as the primary. The secondary/standby Takeover Time value will differ depending on the type of HA configuration you are using: Load sharing Takeover Time—The takeover time for load sharing HA cluster Sidewinder G2s must be the same for EACH Sidewinder G2 that is participating in the HA configuration. The default value is 13 seconds for load sharing configurations. Primary-standby Takeover Time—The takeover time for the primary is 3 seconds by default and cannot be modified. This value ensures that the designated primary will become the actual primary when it is activated. The default for the standby is 13. Note: If you assign a standby Takeover Time value that is too close to 3 seconds, the standby may attempt to take over as the primary during periods when the primary is too busy processing data traffic to send the heartbeat. Peer-to-peer Takeover Time—The takeover time for load sharing HA cluster Sidewinder G2s must be the same for EACH Sidewinder G2 that is participating in the HA configuration. The default value is 13 seconds for load sharing configurations.
Managing an HA cluster Scheduling a soft shutdown for an HA cluster Sidewinder G2 When a Sidewinder G2 that belongs to an HA cluster is shutdown by an administrator (for example, to perform scheduled maintenance), a soft shutdown will automatically occur (assuming the shutdown time is not immediate). A soft shutdown provides a buffer period before the actual shutdown occurs, allowing the Sidewinder G2 to stop accepting new connections, while allowing most existing connections to complete before the Sidewinder G2 actually shuts down. IP filter processing is also transferred to the remaining Sidewinder G2. By default, the soft shutdown process will begin 30 minutes prior to a scheduled shutdown. If the shutdown is scheduled to occur in less than 30 minutes, the soft shutdown process will begin immediately and will remain in effect until the actual shutdown time occurs. You can also manually increase or decrease the length of the soft shutdown period. For example, suppose you configure the Sidewinder G2 to shutdown in two hours using the default soft shutdown of 30 minutes. The Sidewinder G2 will continue to accept and process connections for 1.5 hours. When the Sidewinder G2 is 30 minutes from the shutdown time, it will stop accepting new connections and existing connections will have 30 minutes to complete. After the soft shutdown period completes, the Sidewinder G2 will shutdown and will be unavailable until it is rebooted. The soft shutdown feature is specified via command line. If you schedule a shutdown using the Admin Console, the default soft shutdown time will be applied. The following bullets provide examples of configuring an HA cluster Sidewinder G2 for shutdown: If you want the soft shutdown process to begin immediately, use the following command (the Sidewinder G2 must be shutdown or manually rebooted once the soft shutdown process is complete): cf failover softshutdown To configure soft shutdown to occur for a specific amount of time, as follows: shutdown -s [soft_shutdown_time] [shutdown_time] High Availability 16-27
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ADMINISTRATION GUIDE
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Copyright © 2005 Secure Computing
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Other Terms and Conditions This pro
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Table of Contents Chapter 1: Introd
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Table of Contents Enabling and disa
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Table of Contents Creating SNMP App
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Table of Contents About Sidewinder
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Table of Contents Configuring the S
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Table of Contents Active connection
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Table of Contents RIP with the Side
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Who should read this guide What is
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Chapter title Description Chapter 1
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Online help Where to find additiona
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C HAPTER 1 Introduction About this
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Figure 1-2. Protecting multiple net
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The Type Enforced environment Table
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Figure 1-3. Example of domain separ
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Additional Sidewinder G2 operating
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Proxy software and access control A
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C HAPTER 2 Administrator’s Overvi
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Figure 2-1. Sidewinder G2 administr
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Figure 2-2. Admin Console Login win
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Figure 2-3. Feature Notification wi
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About the top portion of the Admin
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Admin Console conventions Admin Con
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Figure 2-5. File Editor window Abou
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Figure 2-7. Backup File window Ente
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Remote administration using Secure
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Figure 2-10. sshd Server Configurat
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Administering Sidewinder G2 using T
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C HAPTER 3 General System Tasks Abo
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Figure 3-1. System Shutdown window
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Setting up and maintaining administ
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Figure 3-3. Administrator Informati
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Changing passwords Setting the syst
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Using system roles to access type e
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Configuration file backup and resto
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What is backed up and restored What
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Configuration file backup and resto
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Activating the Sidewinder G2 licens
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From a workstation that has Web acc
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Figure 3-8. Firewall License: Compa
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Figure 3-10. Firewall License: Enro
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Protected host licensing and the Ho
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Figure 3-11. Determining which VPN
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Table 3-3. Sidewinder G2 servers Se
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Configuring the synchronization ser
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Figure 3-14. Scanner: Advanced tab
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Figure 3-15. Scanner: Signature tab
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Configuring the shund server Figure
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Figure 3-18. IDS Configuration: Shu
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Figure 3-20. Software Management: I
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Loading and installing patches 5. C
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Loading and installing patches 3. S
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Modifying the burb configuration 2.
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Modifying the Configuration tab Mod
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About the Aliases: New/ Modify Netw
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Modifying the static route About th
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About the SSL certificate fields fo
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Figure 3-26. UPS Configuration wind
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C HAPTER 4 Understanding Policy Con
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Figure 4-2. Example of active rules
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Policy configuration basics The fol
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Rule elements Network objects—Ne
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Figure 4-4. User Groups user group
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Rule elements If an organization re
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Example of a rule that uses a servi
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Application Defenses You can also c
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Proxy rule basics Table 4-4. Applic
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Proxy rule basics the user request
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Proxy rule basics Table 4-5 summari
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Table 4-7. Proxy rules for sample c
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Table 4-9. Proxy rules for the adva
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Mutually exclusive rules for Transp
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Figure 4-7. IP Filtering on non-TCP
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Figure 4-8. IP Filtering on TCP/UDP
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Setting the IP Filter NAT port rewr
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Figure 4-11. "Source port" NAT IP F
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C HAPTER 5 Creating Rule Elements A
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Creating users and user groups Mod
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About the Group Information tab Abo
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About the User Password tab Creatin
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Figure 5-4. User Group Membership w
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Figure 5-6. New Network Object wind
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Entering domain information Figure
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Figure 5-9. IP Address network obje
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About the Netmap Members window Cre
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Figure 5-12. Network Object: netgro
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Creating service groups Figure 5-14
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C HAPTER 6 Configuring Application
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Viewing Application Defense informa
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Figure 6-2. Application Defense: We
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Creating Web or Secure Web Applicat
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Figure 6-5. Web/Secure Web: HTTP Re
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Figure 6-6. Web/Secure Web: MIME/Vi
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Creating Web Cache Application Defe
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Creating Mail Application Defenses
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Figure 6-10. Mail Size tab Creating
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Creating Mail Application Defenses
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Figure 6-12. Mail MIME/ Virus tab A
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Configuring MIME filtering rules Cr
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Creating Citrix Application Defense
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Creating FTP Application Defenses F
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Figure 6-16. Application Defenses:
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Creating Multimedia Application Def
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Figure 6-18. Application Defenses:
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Creating SOCKS Application Defenses
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Creating SNMP Application Defenses
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Figure 6-22. Example of OID numberi
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Figure 6-24. Application Defense Gr
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Configuring connection properties d
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C HAPTER 7 Creating Rules and Group
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Viewing rules and rule groups You c
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Entering information on the Proxy R
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Creating proxy rules 5. [Optional]
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Figure 7-4. Proxy Rule: Time tab Cr
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Figure 7-5. Proxy Rule: Application
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Figure 7-6. IP Filter Rules window
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About the IP Filter Source/ Dest ta
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Figure 7-8. IP Filter Time tab Crea
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Creating and managing rule groups C
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Figure 7-10. Modify Groups window A
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Figure 7-11. Active Rules window Ab
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Figure 7-13. IP Filter General Prop
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C HAPTER 8 Configuring Proxies Abou
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Proxy basics Important: Network att
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Redirected proxy connections Config
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Figure 8-2. Address redirection for
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Standard Sidewinder G2 proxies Prox
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Proxy Name Type and Port Descriptio
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Proxy Name Type and Port Descriptio
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Notes on selected proxy configurati
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Notes on using the FTP proxy Notes
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Sun RPC proxy considerations Notes
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Figure 8-5. News server behind the
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Proxy Name—Displays the name of t
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Figure 8-7. ica proxy Advanced tab
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Configuring connection ports Settin
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C HAPTER 9 Setting Up Authenticatio
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Administrator authentication Authen
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Supported authentication methods Su
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Supported authentication methods Wh
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Authentication process overview Aut
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Users, groups, and authentication C
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Configuring authentication services
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Figure 9-1. SSO Cached Authenticati
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Figure 9-3. LDAP configuration wind
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Figure 9-4. Password Configuration
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Adding or modifying a RADIUS server
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Figure 9-7. SecurID Configuration w
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Figure 9-8. SNK Configuration windo
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Adding or modifying a Windows domai
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Configuring SSO b. In the Edit Logi
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Setting up authentication for servi
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Setting up authentication for admin
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Allowing users to change their pass
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. Select Manual Proxy Configuration
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C HAPTER 10 Domain Name System (DNS
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What is DNS? In a hosted DNS config
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Figure 10-1. Mail exchanger example
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Enabling and disabling your DNS ser
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Managing your current DNS configura
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Configuring hosted DNS servers Figu
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Figure 10-6. DNS Server Configurati
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Entering information on the Advance
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Figure 10-7. DNS Zones window Confi
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About the Zone List window About th
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Figure 10-8. Master Zone Attributes
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Adding a forward lookup sub-domain
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Figure 10-9. Master Zone Contents t
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Adding a new forward lookup entry C
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Reconfiguring DNS Reconfiguring DNS
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Figure 10-10. Reconfigure transpare
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About the Reconfiguring DNS: Sidewi
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Manually editing DNS configuration
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C HAPTER 11 Electronic Mail About t
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Overview of e-mail on Sidewinder G2
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Sendmail differences on Sidewinder
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Managing sendmail Managing sendmail
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Figure 11-2. Reconfigure Mail windo
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Figure 11-3. Sidewinder G2 mailerta
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Configuring advanced antispam optio
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Configuring the policy.cfg file Con
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About the COPY action Configuring a
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Configuring advanced anti-spam opti
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Redirecting mail to a different des
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Other sendmail features You can con
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Figure 11-5. Type of relayed messag
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Managing mail queues Managing mail
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C HAPTER 12 Setting Up Web Services
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Figure 12-3. Access to the internal
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Figure 12-5. Option 2: The Web prox
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Figure 12-7. Standard (transparent)
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Using the HTTP proxy 4. Create an H
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Using the Web proxy server Caching
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Figure 12-10. Web proxy server wind
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Figure 12-12. Web Proxy Server wind
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Configuring Web Proxy Server HTTP f
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Configuring browsers for the Web pr
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Internet Explorer 5.x/6.x Configuri
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1 C HAPTER 13 Configuring Virtual P
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Protecting your information What ar
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Sidewinder G2 VPN overview To preve
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Configuring hardware acceleration f
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Sidewinder G2 VPN overview Implemen
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Configuring the ISAKMP server Figur
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Configuring the Certificate server
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Understanding virtual burbs Underst
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Understanding virtual burbs You can
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Figure 13-5. Client Address Pools A
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Figure 13-6. Client Address Pools:
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Adding or modifying a client identi
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Configuring Certificate Management
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Single certificate versus Certifica
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About the Certificate Authorities t
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Figure 13-8. Remote Identities tab
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Figure 13-9. Firewall certificates
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Figure 13-11. SSL Certificates tab
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Figure 13-3. Load Certificate for P
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Figure 13-13. Import Remote Certifi
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Figure 13-14. Export Firewall Certi
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Configuring VPN Security Associatio
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Figure 13-16. Security Associations
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Configuring password information on
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Entering Certificate + Certificate
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Entering Single Certificate informa
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Example VPN Scenarios Example VPN S
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Example VPN Scenarios How it is don
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Example VPN Scenarios All clients
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Example VPN Scenarios c. Click New.
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The assumptions This VPN scenario a
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Example VPN Scenarios 2. In the Adm
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Example VPN Scenarios a. On the Cer
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C HAPTER 14 Configuring the SNMP Ag
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Page 511 and 512: Defining a community name Setting u
Page 513 and 514: Communication with systems in an ex
Page 515 and 516: C HAPTER 15 One-To-Many Clusters Ab
Page 517 and 518: Overview DNS services must be conf
Page 519 and 520: Figure 15-2. Sample network configu
Page 521 and 522: Configuring One-To-Many b. In the P
Page 523 and 524: Configuring One-To-Many 3. In the R
Page 525 and 526: About the Modify Primary Address wi
Page 527 and 528: Understanding the One-To-Many tree
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Page 531 and 532: C HAPTER 16 High Availability About
Page 533 and 534: HA configuration options HA configu
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Page 537 and 538: Configuring HA — DNS configuratio
Page 539 and 540: Configuring HA 8. Select the HA con
Page 541 and 542: Configuring HA Cluster ID—Select
Page 543 and 544: Joining a Sidewinder G2 to an exist
Page 545 and 546: Configuring HA 8. Click Next. The S
Page 547 and 548: Removing the primary from an HA clu
Page 549 and 550: Figure 16-3. Special HA and Interfa
Page 551 and 552: About the Common Parameters tab Man
Page 553 and 554: Changing the multicast address Mana
Page 555: Figure 16-2. Local Parameters tab A
Page 559 and 560: Connecting directly to a secondary/
Page 561 and 562: C HAPTER 17 Alarm Events and Respon
Page 563 and 564: Table 17-1. Alarm event column desc
Page 565 and 566: Filter Name Description Configuring
Page 567 and 568: Configuring alarm events and event
Page 569 and 570: Figure 17-3. Event Response tab Abo
Page 571 and 572: Configuring alarm events and event
Page 573 and 574: Example alarm event scenario Exampl
Page 575 and 576: Sample Strikeback results Sample St
Page 577 and 578: Ignoring network probe attempts Ign
Page 579 and 580: Checking system status Checking sys
Page 581 and 582: Rlg0 7418 p2 IW+ 0:01.30.u (tcsh) t
Page 583 and 584: Network interfaces Checking network
Page 585 and 586: Checking network status ; Dig 2.1
Page 587 and 588: C HAPTER 18 Monitoring, Auditing, a
Page 589 and 590: Monitoring Sidewinder G2 status Fig
Page 591 and 592: Auditing on the Sidewinder G2 Audit
Page 593 and 594: Figure 18-3. Audit Viewing: View Mo
Page 595 and 596: Figure 18-4. Snapshot Audit Data wi
Page 597 and 598: Figure 18-5. Export Audit Data wind
Page 599 and 600: Figure 18-6. Audit Filtering tab Ab
Page 601 and 602: Filter Type Description Auditing on
Page 603 and 604: Example 2: Filtering for services a
Page 605 and 606: Field Description src_burb Specify
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Logging application messages using
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Generating and viewing reports usin
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Figure 18-7. Firewall Reports windo
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Report Type Description Generating
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Report Type Description Generating
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Using third party reporting tools U
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Using third party reporting tools 3
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A A PPENDIX A Command Line Referenc
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Sidewinder G2 area Commands Area De
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Working with files on the Sidewinde
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Changing a file’s type (chtype) W
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Understanding automatic (cron) jobs
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Understanding automatic (cron) jobs
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A A PPENDIX B Setting Up Network Ti
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Figure B-2. Sidewinder G2 as an NTP
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Figure B-4. NTP conflict: Sidewinde
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Configuring NTP on a Sidewinder G2
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A A PPENDIX C Configuring Dynamic R
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Overview All OSPF routers on a netw
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Figure C-3. Sidewinder G2 within OS
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Figure C-5. OSPF Properties tab Abo
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Figure C-6. OSPF Area tab Setting u
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Authentication Information window F
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Configuring "passive" OSPF Other im
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A A PPENDIX D Configuring Dynamic R
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RIP processing on the Sidewinder G2
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RIP with the Sidewinder G2 using tr
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If connection is lost between Route
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Figure D-4. RIP with the Sidewinder
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RIP with the Sidewinder G2 NOT usin
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Configuring RIP on the Sidewinder G
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Enabling/ disabling the routed serv
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A A PPENDIX E Setting Up SmartFilte
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Subscribing to the SmartFilter Cont
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Figure E-1. SmartFilter window: Gen
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Figure E-2. SmartFilter Advanced ta
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Editing the SmartFilter files Table
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Table E-2. Category Codes Editing t
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A A PPENDIX F Basic Troubleshooting
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Restoring access to the Admin Conso
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Backing up system files The Sidewin
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Performing an incremental backup Ba
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Table F-2. Sidewinder G2 restore sc
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Restoring system files Performing a
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Table F-3. Restore Script Commands
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To add hardware, follow these steps
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Re-imaging your Sidewinder G2 Syste
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If you forget your administrator pa
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Interpreting beep patterns Interpre
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What you hear What it means What yo
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Troubleshooting proxy rules To dete
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Starting the rule monitoring tool (
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Troubleshooting High Availability T
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Troubleshooting High Availability N
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Troubleshooting High Availability N
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Why did NTP stop? Troubleshooting N
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R EFERENCE Glossary ACE/Server A se
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Glossary BSD/OS The operation syste
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Glossary event response A response
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Glossary internal DNS Manages DNS i
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Glossary network-layer proxy Also k
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Glossary proxy A software agent tha
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Glossary SecureOS The UNIX-based op
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URL (universal resource locator) Gl
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A R EFERENCE Index A record (addres
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ackup_file_list 3-15 complete (full
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checking 3-12 creator A-12 current
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overview 1-12 IP sniffing 1-2 IP sp
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NNTP 8-19 nntp proxy 8-11 non-trans
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to operational kernel command 3-4 r
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smartfilter.site file E-9 SMTP 11-2
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certificate authority 13-27 certifi
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The Sidewinder G2 ® Security Appli
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