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

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Configuring hosted DNS servers 10-22 Domain Name System (DNS) The DNS Serial # field displays the revision number of this SOA record. This field will increment by one each time you modify this zone. Slave zones use this field to determine if their zone files are out-of-date. You cannot modify this field. (See sub-step b for more details.) a. In the DNS Contact field, specify the name of the technical contact that can answer questions about this zone. The name must be a fully-qualified name, with the @ character replaced by a period (for example, hostmaster.domain.com). b. In the Refresh (seconds) field, specify how often a slave will check this zone for new zone files. The slave uses the DNS Serial # value to determine if its zone files need to be updated. For example, if the slave’s DNS serial number is 4 and the master zone’s DNS serial number is 5, the slave knows that its zone files are out-of-date and it will download the updated zone files. Values must be positive integers. The default value is 3600 (1 hour). c. In the Retry (seconds) field, specify how long a slave should wait to try another refresh following an unsuccessful refresh attempt. Values must be positive integers. d. In the Expiration (seconds) field, specify how long a slave can go without updating its data before expiring its data. For example, assume you set this value to 604800 (one week). If the slave is unable to contact this master zone for one week, the slave’s resource records will expire. Queries to the slave will then be treated as if that DNS server is not authoritative for that domain (zone), resulting in a recursive search or forwarding, depending on how the slave is configured. Values must be positive integers. e. In the TTL (seconds) field, specify the time to live (TTL) value. This value defines how long a resource record from this zone can be cached by another name server before it expires the record. The value specified here is used as the default in records that do not specify a TTL value. Values must be positive integers. f. To add a sub-domain to the selected zone, click Add Sub. This button is only available if a forward lookup zone is selected in the Zones list. For information on adding a sub-domain, see “Adding a forward lookup sub-domain” on page 10-23. g. To delete a sub-domain from the selected zone, click Delete Sub. This button is only available if a forward lookup zone is selected in the Zones list. See “Deleting a forward lookup sub-domain” on page 10-24 for details.
Adding a forward lookup sub-domain Configuring hosted DNS servers 3. To modify the Zone Records tab, click on the tab. This tab contains NS (Name Server) and MX (Mail Exchange) records for forward zones. This tab contains only NS Records for reverse zones. The Name Servers table contains DNS NS records that indicate what machines will act as name servers for this zone. By default the table contains an entry for the machine you are currently using. (To add or delete an entry use the New or Delete buttons, respectively. See “Adding an NS record” on page 10-24 for details on adding a new entry.) If this zone is configured to notify all slave servers when a zone file changes (see “About the Advanced Zone Configuration window” on page 10-19 for a description of the notify field), the notify commands are sent to all NS hosts specified here. The Zone MX Records list is available only if the selected zone entry is a forward lookup entry. It is used to specify entries in the Mail Exchangers table for the selected zone. The Mail Exchangers table contains DNS MX records that indicate what machines will act as mail routers (mail exchangers) for the selected domain. To add or delete an MX record entry use the New or Delete buttons, respectively. See “Adding an MX record” on page 10-24 for details on adding a new MX record entry. The Zone A Record field is available only if the selected zone entry is a forward lookup entry. It defines a DNS A record (an Address record). A DNS A record is used to map host names to IP addresses. The address you specify must be entered using standard dotted quad notation (for example 172.14.207.27). 4. Click the Save icon in the toolbar to save your changes. To configure additional name server information, see “About the Master Zone Attributes tab” on page 10-21. This window is used to add a forward lookup sub-domain to the selected forward lookup zone. By adding a sub-domain you are delegating authority for a portion of the parent domain to the new sub-domain. Follow the steps below. 1. In the Forward Sub-Domain Name field, type the name of the subdomain. Do not type a fully qualified name. For example, assume you have a domain named bizco.net that contains a sub-domain named west. You would type west in this field rather than west.bizco.net. Domain Name System (DNS) 10-23
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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
Page 309 and 310: Authentication process overview Aut
Page 311 and 312: Users, groups, and authentication C
Page 313 and 314: Configuring authentication services
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Page 319 and 320: Figure 9-4. Password Configuration
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Page 329 and 330: Configuring SSO b. In the Edit Logi
Page 331 and 332: Setting up authentication for servi
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Page 335 and 336: Allowing users to change their pass
Page 337 and 338: . Select Manual Proxy Configuration
Page 339 and 340: C HAPTER 10 Domain Name System (DNS
Page 341 and 342: What is DNS? In a hosted DNS config
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Page 345 and 346: Enabling and disabling your DNS ser
Page 347 and 348: Managing your current DNS configura
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Page 351 and 352: Figure 10-6. DNS Server Configurati
Page 353 and 354: Entering information on the Advance
Page 355 and 356: Figure 10-7. DNS Zones window Confi
Page 357 and 358: About the Zone List window About th
Page 359: Figure 10-8. Master Zone Attributes
Page 363 and 364: Figure 10-9. Master Zone Contents t
Page 365 and 366: Adding a new forward lookup entry C
Page 367 and 368: Reconfiguring DNS Reconfiguring DNS
Page 369 and 370: Figure 10-10. Reconfigure transpare
Page 371 and 372: About the Reconfiguring DNS: Sidewi
Page 373 and 374: Manually editing DNS configuration
Page 375 and 376: C HAPTER 11 Electronic Mail About t
Page 377 and 378: Overview of e-mail on Sidewinder G2
Page 379 and 380: Sendmail differences on Sidewinder
Page 381 and 382: Managing sendmail Managing sendmail
Page 383 and 384: Figure 11-2. Reconfigure Mail windo
Page 385 and 386: Figure 11-3. Sidewinder G2 mailerta
Page 387 and 388: Configuring advanced antispam optio
Page 389 and 390: Configuring the policy.cfg file Con
Page 391 and 392: About the COPY action Configuring a
Page 393 and 394: Configuring advanced anti-spam opti
Page 395 and 396: Redirecting mail to a different des
Page 397 and 398: Other sendmail features You can con
Page 399 and 400: Figure 11-5. Type of relayed messag
Page 401 and 402: Managing mail queues Managing mail
Page 403 and 404: C HAPTER 12 Setting Up Web Services
Page 405 and 406: Figure 12-3. Access to the internal
Page 407 and 408: Figure 12-5. Option 2: The Web prox
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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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Figure 14-2. Community name within
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SNMP and Sidewinder G2 IPSEC_FAILU
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Figure 14-3. MIBs supported by the
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Defining a community name Setting u
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Communication with systems in an ex
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C HAPTER 15 One-To-Many Clusters Ab
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Overview DNS services must be conf
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Figure 15-2. Sample network configu
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Configuring One-To-Many b. In the P
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Configuring One-To-Many 3. In the R
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About the Modify Primary Address wi
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Understanding the One-To-Many tree
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Understanding the One-To-Many tree
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C HAPTER 16 High Availability About
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HA configuration options HA configu
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You can configure failover HA in on
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Configuring HA — DNS configuratio
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Configuring HA 8. Select the HA con
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Configuring HA Cluster ID—Select
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Joining a Sidewinder G2 to an exist
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Configuring HA 8. Click Next. The S
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Removing the primary from an HA clu
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Figure 16-3. Special HA and Interfa
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About the Common Parameters tab Man
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Changing the multicast address Mana
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Figure 16-2. Local Parameters tab A
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Managing an HA cluster Scheduling a
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Connecting directly to a secondary/
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C HAPTER 17 Alarm Events and Respon
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Table 17-1. Alarm event column desc
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Filter Name Description Configuring
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Configuring alarm events and event
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Figure 17-3. Event Response tab Abo
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Configuring alarm events and event
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Example alarm event scenario Exampl
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Sample Strikeback results Sample St
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Ignoring network probe attempts Ign
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Checking system status Checking sys
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Rlg0 7418 p2 IW+ 0:01.30.u (tcsh) t
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Network interfaces Checking network
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Checking network status ; Dig 2.1
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C HAPTER 18 Monitoring, Auditing, a
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Monitoring Sidewinder G2 status Fig
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Auditing on the Sidewinder G2 Audit
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Figure 18-3. Audit Viewing: View Mo
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Figure 18-4. Snapshot Audit Data wi
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Figure 18-5. Export Audit Data wind
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Figure 18-6. Audit Filtering tab Ab
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Filter Type Description Auditing on
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Example 2: Filtering for services a
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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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