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

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Notes on selected proxy configurations 8-24 Configuring Proxies The H.323 proxy can function between two endpoints (a single client implementation such as NetMeeting), or between one or more endpoints and a Multi-point Control Unit (MCU). The MCU enables two or more endpoints to simultaneously participate in a call. Each endpoint sends its audio and video signals through the Sidewinder G2 to the MCU. The MCU then combines the audio signals and selects one or more video signals to return to each endpoint. Note: The H.323 proxy does not recognize any configuration difference between an endpoint and an MCU. At this time, the H.323 proxy will not communicate with an H.323 gatekeeper. A gatekeeper is an entity, not unlike a Sidewinder G2, which sits between the source and destination endpoints, and typically provides services such as authentication, authorization, alias resolution, billing, and call routing. If there is a gatekeeper between the Sidewinder G2 and the source or destination endpoint, and the endpoint is configured to use the gatekeeper, the conference will not be possible. The H.323 proxy must examine the contents of the protocol packets for encoded addresses and port numbers. Therefore, any sort of encryption of H.323 sessions is not possible in conjunction with the proxy. When implementing the H.323 protocol, you must disable NetMeeting's security features, or the security features of any other endpoint or MCU you may be using. Additionally, you must not route H.323 traffic through a virtual private network (VPN). Also, any calls originating from the outside network and destined for a host on the internal network may be configured to use the netmaps feature. (For information on using netmaps, see “Configuring netmaps” on page 5-16.) This provides a form of redirection that allows you to hide a group of addresses behind the Sidewinder G2 while still allowing the inbound caller to reach the proper destination machine.
Notes on selected proxy configurations Synchronizing the T.120 and H.323 proxies for use with NetMeeting The T.120 and H.323 proxies can work together, allowing you to make use of both the data-sharing and audio/video features of NetMeeting in a single conference as follows: The T.120 proxy enables you to use all of the standard T.120 data conferencing services, and provides you with a means to control which services are accessible. The T.120 proxy also provides support for the Microsoft NetMeeting chat and application sharing, which are non-standard T.120 application services. The H.323 proxy provides support for the audio and video features of NetMeeting. To make use of both the data-sharing and audio/video features of NetMeeting in a single conference, you must ensure that both the T.120 and H.323 proxies are enabled in the same burbs. This is necessary because for a single NetMeeting session, part of the traffic (the H.323 portion) is routed through the H.323 proxy, and part of the traffic (the T.120 portion) is routed through the T.120 proxy. If the H.323 and T.120 proxy configurations are out of synchronization, it is likely that NetMeeting conferences will not function correctly or completely (for example, audio and video work, but data-sharing does not work). To prevent the two proxies from becoming out of synchronization, you can add the pre-configured NetMeeting proxy rule to your active rule group. (See “Creating and managing rule groups” on page 7-19.) The NetMeeting proxy rule allows access to both the T.120 and H.323 proxies (using the pre-configured NetMeeting Service Group), and allows access to all available NetMeeting features. You can modify the NetMeeting proxy rule as needed or create your own proxy rules to allow only a portion of NetMeeting’s features, such as the chat and whiteboard features. These properties are configured via the Multimedia Application Defense that is associated with a particular proxy rule. For information on configuring Application Defenses for H.323/T.120, see “Configuring the IIOP Connection tab” on page 6-35. Configuring Proxies 8-25
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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
Page 239 and 240: Configuring connection properties d
Page 241 and 242: C HAPTER 7 Creating Rules and Group
Page 243 and 244: Viewing rules and rule groups You c
Page 245 and 246: Entering information on the Proxy R
Page 247 and 248: Creating proxy rules 5. [Optional]
Page 249 and 250: Figure 7-4. Proxy Rule: Time tab Cr
Page 251 and 252: Figure 7-5. Proxy Rule: Application
Page 253 and 254: Figure 7-6. IP Filter Rules window
Page 255 and 256: About the IP Filter Source/ Dest ta
Page 257 and 258: Figure 7-8. IP Filter Time tab Crea
Page 259 and 260: Creating and managing rule groups C
Page 261 and 262: Figure 7-10. Modify Groups window A
Page 263 and 264: Figure 7-11. Active Rules window Ab
Page 265 and 266: Figure 7-13. IP Filter General Prop
Page 267 and 268: C HAPTER 8 Configuring Proxies Abou
Page 269 and 270: Proxy basics Important: Network att
Page 271 and 272: Redirected proxy connections Config
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Page 275 and 276: Standard Sidewinder G2 proxies Prox
Page 277 and 278: Proxy Name Type and Port Descriptio
Page 279 and 280: Proxy Name Type and Port Descriptio
Page 281 and 282: Notes on selected proxy configurati
Page 283 and 284: Notes on using the FTP proxy Notes
Page 285 and 286: Sun RPC proxy considerations Notes
Page 287 and 288: Figure 8-5. News server behind the
Page 289: Notes on selected proxy configurati
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Page 295 and 296: Proxy Name—Displays the name of t
Page 297 and 298: Figure 8-7. ica proxy Advanced tab
Page 299 and 300: Configuring connection ports Settin
Page 301 and 302: C HAPTER 9 Setting Up Authenticatio
Page 303 and 304: Administrator authentication Authen
Page 305 and 306: Supported authentication methods Su
Page 307 and 308: 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
Page 315 and 316: Figure 9-1. SSO Cached Authenticati
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Page 319 and 320: Figure 9-4. Password Configuration
Page 321 and 322: Adding or modifying a RADIUS server
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Page 325 and 326: Figure 9-8. SNK Configuration windo
Page 327 and 328: Adding or modifying a Windows domai
Page 329 and 330: Configuring SSO b. In the Edit Logi
Page 331 and 332: Setting up authentication for servi
Page 333 and 334: Setting up authentication for admin
Page 335 and 336: Allowing users to change their pass
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Page 339 and 340: 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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