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

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Modifying the burb configuration Modifying the burb configuration Figure 3-22. Burb Configuration window Entering information on the Burb Configuration window 3-48 General System Tasks . A burb is a type enforced network area used to isolate network interfaces from each other. The burbs in your Sidewinder G2 are initially defined during the installation process. Using the Admin Console you can create new, modify, and delete burbs. To modify your burb configuration, start the Admin Console and select Firewall Administration -> Burb Configuration. The following window appears. This window allows you to add, modify, or delete burbs within your current configuration. Follow the steps below. Note: You can configure a maximum of 24 burbs on a Sidewinder G2. 1. Do one of the following: To create a new burb, click New. In the Create New Burb window, enter a name for the new burb. Click OK to return to the Burb Configuration window and configure the burb. To modify a burb, highlight the burb in the Burbs list. The settings for that burb will appear in the right portion of the window. To delete a burb, highlight the burb in the Burbs list and click Delete. Note: You cannot delete a burb that is currently referenced elsewhere on the system (for example, a rule or interface configuration). To determine whether a burb is currently being referenced, highlight the burb and click Usage. To view all areas where a burb is currently being used, highlight the burb in the Burbs list and click Usage. The Burb Usage window appears listing every area in which the burb is currently used. When you are finished viewing the information, click Close to return to the Burb Configuration window.
Modifying the burb configuration 2. The following settings may be enabled or disabled for each burb: Hide port unreachables—If this parameter is enabled, the Sidewinder G2 will give no response if a node on the network attempts to connect to a port on which the Sidewinder G2 is not listening. This increases security by not divulging configuration information to potential hackers. Intra-burb packet forwarding—If enabled, traffic will be forwarded between network interfaces located within this burb. Disabling this parameter in a burb with two or more network interfaces has the effect of separating the interfaces. This parameter should be disabled in burbs with only one network interface. Note: There is an interaction between the Intra-burb packet forwarding parameter and NAT. NAT changes the source address of outbound packets to the IP address of the Sidewinder G2 in the external (outgoing) burb. If multiple interfaces exist in the same burb, that Sidewinder G2 has to select an appropriate address based upon how it routes packets. By enabling this option, the Sidewinder G2 must choose one of the interfaces for the source address. In this case the Sidewinder G2 will always choose the address of the first interface in the burb. Problems could occur if the destination is not defined to use the same route back to the Sidewinder G2. Honor ICMP redirects—ICMP messages are used to optimize the routes for getting IP traffic to the proper destination. On a trusted network, honoring ICMP redirects can improve the throughput of the system. On an untrusted network, ICMP redirects can be used by hackers to examine, reroute, or steal network traffic. Enabling this parameter allows the Sidewinder G2 to honor ICMP redirects. Respond to ICMP echo and timestamp—ICMP echo and timestamp messages (also known as ping messages) are used to test addresses on a network. The messages are a handy diagnostic tool, but can also be used by hackers to probe for weaknesses. Enabling this parameter allows the Sidewinder G2 to respond to these messages. 3. In the Internet burb drop-down list, specify which of the burbs defined on the Sidewinder G2 is the Internet burb. The Internet burb is unique because it is the only burb that communicates directly with the outside world. 4. Click the Save icon to save your changes. General System Tasks 3-49
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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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Page 69 and 70: Figure 2-10. sshd Server Configurat
Page 71 and 72: Administering Sidewinder G2 using T
Page 73 and 74: C HAPTER 3 General System Tasks Abo
Page 75 and 76: Figure 3-1. System Shutdown window
Page 77 and 78: Setting up and maintaining administ
Page 79 and 80: Figure 3-3. Administrator Informati
Page 81 and 82: Changing passwords Setting the syst
Page 83 and 84: Using system roles to access type e
Page 85 and 86: Configuration file backup and resto
Page 87 and 88: What is backed up and restored What
Page 89 and 90: Configuration file backup and resto
Page 91 and 92: Activating the Sidewinder G2 licens
Page 93 and 94: From a workstation that has Web acc
Page 95 and 96: Figure 3-8. Firewall License: Compa
Page 97 and 98: Figure 3-10. Firewall License: Enro
Page 99 and 100: Protected host licensing and the Ho
Page 101 and 102: Figure 3-11. Determining which VPN
Page 103 and 104: Table 3-3. Sidewinder G2 servers Se
Page 105 and 106: Configuring the synchronization ser
Page 107 and 108: Figure 3-14. Scanner: Advanced tab
Page 109 and 110: Figure 3-15. Scanner: Signature tab
Page 111 and 112: Configuring the shund server Figure
Page 113 and 114: Figure 3-18. IDS Configuration: Shu
Page 115 and 116: Figure 3-20. Software Management: I
Page 117 and 118: Loading and installing patches 5. C
Page 119: Loading and installing patches 3. S
Page 123 and 124: Modifying the Configuration tab Mod
Page 125 and 126: About the Aliases: New/ Modify Netw
Page 127 and 128: Modifying the static route About th
Page 129 and 130: About the SSL certificate fields fo
Page 131 and 132: Figure 3-26. UPS Configuration wind
Page 133 and 134: C HAPTER 4 Understanding Policy Con
Page 135 and 136: Figure 4-2. Example of active rules
Page 137 and 138: Policy configuration basics The fol
Page 139 and 140: Rule elements Network objects—Ne
Page 141 and 142: Figure 4-4. User Groups user group
Page 143 and 144: Rule elements If an organization re
Page 145 and 146: Example of a rule that uses a servi
Page 147 and 148: Application Defenses You can also c
Page 149 and 150: Proxy rule basics Table 4-4. Applic
Page 151 and 152: Proxy rule basics the user request
Page 153 and 154: Proxy rule basics Table 4-5 summari
Page 155 and 156: Table 4-7. Proxy rules for sample c
Page 157 and 158: Table 4-9. Proxy rules for the adva
Page 159 and 160: Mutually exclusive rules for Transp
Page 161 and 162: Figure 4-7. IP Filtering on non-TCP
Page 163 and 164: Figure 4-8. IP Filtering on TCP/UDP
Page 165 and 166: Setting the IP Filter NAT port rewr
Page 167 and 168: Figure 4-11. "Source port" NAT IP F
Page 169 and 170: 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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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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