Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

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Chapter 13: Setting Up Web Services Implementation options for Web access Implementation options for Web access 376 Figure 160: Option 1: The HTTP proxy passes all Web traffic Web access can be controlled using a Web proxy (HTTP or HTTPS), the Web proxy server, or both. These Web options are typically used in one of three configuration options, as shown in the following examples: • Option 1: HTTP proxy regulates all Web traffic. • Option 2: Web proxy server regulates all Web traffic. • Option 3: Web proxy server regulates traffic from the trusted burbs and the HTTP proxy regulates traffic from the Internet burb. Option 1: HTTP proxy passes all Web traffic Option 1 depicts a scenario in which the HTTP (or HTTPS) proxy regulates Web traffic moving between all burbs on the Sidewinder G2. Using the appropriate Web Application Defenses within your HTTP/HTTPS proxy rules, you can configure URL properties, perform request and reply header filtering, perform MIME/anti-virus filtering, and deny certain types of Web content. You can also configure whether allowed connections can be transparent, nontransparent, or both. If you configure transparent HTTP, it will appear to a user that they are connecting directly to Web server rather than connecting to the Sidewinder G2 first. The HTTPS proxy also allows you perform SSL decryption. Figure 160 illustrates the HTTP proxy regulating all Web traffic. internal user internal Web site Web server DMZ burb HTTP proxy Internet internal network external network Option 2: Web proxy server regulates all Web traffic external user Web server Web site In Option 2, the Web proxy server regulates Web traffic between all burbs. This option is generally used in larger companies that have security policies about how employees can use the Web. The Web proxy server is the best option if you want to provide caching services on the Sidewinder G2. In general, caching does not apply to Internet users that access a Web site on your internal network. (Option 3 illustrates a more likely scenarios for using the caching feature.) Note: For more information on using the Web proxy server, refer to “Using the Web proxy server” on page 381.
Figure 161: Option 2: The Web proxy server regulates all Web traffic Figure 162: Option 3: Web proxy server regulates traffic from the trusted burbs while HTTP proxy passes traffic from the Internet burb internal user Web server Chapter 13: Setting Up Web Services Implementation options for Web access Internet internal network external network Web server Web site Option 3: Web proxy server regulates traffic from the internal burbs and the HTTP proxy passes traffic from the Internet burb Option 3 depicts a scenario using both the HTTP proxy and the Web proxy server. In this scenario, the HTTP proxy regulates Web traffic coming from the Internet to a Web server on a trusted internal network. The Web proxy server is configured to regulate Web traffic that is initiated from an internal burb. The Web server being accessed can reside on another isolated burb, or on the external burb. internal user internal Web site DMZ burb Web proxy Server internal Web site Web server DMZ burb HTTP proxy Web proxy server Internet internal network external network external user external user Web server Web site 377
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ADMINISTRATION GUIDE
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Copyright © 2006 Secure Computing
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Other Terms and Conditions This pro
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CONTENTS Preface . . . . . . . . .
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Table of Contents Modifying the sta
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Table of Contents Configuring the S
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Table of Contents About mail exchan
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Table of Contents Configuring and d
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Table of Contents CHAPTER 20 IPS At
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Table of Contents APPENDIX F Basic
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PREFACE Who should read this guide
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Online help Preface The Sidewinder
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1 CHAPTER Introduction In this chap
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Figure 2: Protecting multiple netwo
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Chapter 1: Introduction The Type En
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Type Enforced attributes Chapter 1:
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Figure 4: Multiple Type Enforced ar
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Chapter 1: Introduction Additional
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Chapter 1: Introduction Additional
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Network Services Sentry (NSS) Chapt
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2 CHAPTER Administrator’s Overvie
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Admin Console basics Chapter 2: Adm
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Figure 7: Admin Console Login windo
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Figure 9: Main Admin Console menu M
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Admin Console conventions Chapter 2
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Figure 11: Open File window Opening
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Figure 14: Find/Replace window Ente
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Chapter 2: Administrator’s Overvi
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Chapter 2: Administrator’s Overvi
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Figure 15: sshd Server Configuratio
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To access the trusted Telnet server
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3 CHAPTER General System Tasks In t
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Figure 16: System Shutdown window E
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Setting up and maintaining administ
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Figure 18: Administrator Informatio
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Changing passwords Setting the syst
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Using system roles to access type e
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Figure 20: Configuration file backu
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Chapter 3: General System Tasks Con
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Activating the Sidewinder G2 licens
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Chapter 3: General System Tasks Act
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Figure 23: Firewall License: Compan
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Figure 25: Firewall License: Enroll
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Chapter 3: General System Tasks Pro
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Enabling and disabling servers Figu
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Server Name Notes Chapter 3: Genera
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Configuring virus scanning services
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Figure 32: IDS Server window About
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Figure 34: Software Management: Sum
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Chapter 3: General System Tasks Loa
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Chapter 3: General System Tasks Loa
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Modifying the interface configurati
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About the Interface Status window M
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Chapter 3: General System Tasks Mod
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About the Aliases: New/Modify Netwo
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About the Static: Route window Conf
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About the SSL certificate fields fo
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Enabling/disabling the UPS server C
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4 CHAPTER Understanding Policy Conf
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Figure 45: Example of active rules
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Chapter 4: Understanding Policy Con
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Figure 47: User Groups user group n
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Figure 48: Netgroup Subnet objects
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Application Defenses Table 11: Samp
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Simple proxy rule examples Chapter
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Table 17: Proxy rules for the advan
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IP Filter rule basics Chapter 4: Un
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Figure 52: Example network Chapter
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Figure 53: Normal NAT IP Filter rul
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5 CHAPTER Creating Rule Elements In
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Chapter 5: Creating Rule Elements C
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About the Group Information tab Abo
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About the User Password tab Chapter
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About the User Group Membership win
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Figure 60: New Network Object windo
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Figure 62: Host network object wind
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Figure 63: IP Address network objec
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Figure 65: Subnet network object wi
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Figure 67: Group Membership window
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About the Service Groups window Cha
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6 CHAPTER Configuring Application D
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Chapter 6: Configuring Application
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About the URL Control tab Chapter 6
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Figure 73: Web/Secure Web: HTTP Rep
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Figure 74: Web/Secure Web: MIME/Vir
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Figure 76: Web/Secure Web: SmartFil
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About the Keyword Search tab Chapte
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Figure 81: Mail (Sendmail) MIME/Vir
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Configuring MIME filtering rules Ch
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Creating Mail (SMTP proxy) Defenses
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Figure 84: Mail (SMTP proxy): Desti
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Creating Citrix Application Defense
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Configuring the FTP Enforcements ta
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Configuring Virus/Spyware filtering
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Creating IIOP Application Defenses
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Configuring the H.323 Filter tab Ch
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About the Service Name (SID): New S
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Creating SOCKS Application Defenses
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Figure 95: SNMP v1: OID Editing win
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Creating Standard Application Defen
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Configuring connection properties C
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Configuring connection ports Chapte
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7 CHAPTER Configuring Network Defen
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Figure 100: Network Defense window
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About the Network Defenses: TCP tab
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Configuring the UDP Network Defense
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Configuring the ICMP Network Defens
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Configuring the ARP Network Defense
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8 CHAPTER Creating Rules and Rule G
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About the Duplicate Rule Name windo
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Chapter 8: Creating Rules and Rule
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Figure 110: Proxy Rule: Authenticat
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Entering information on the Time ta
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Figure 113: IP Filter Rules window
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Figure 114: IP Filter Rules Source/
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Figure 115: IP Filter Time tab Abou
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Chapter 8: Creating Rules and Rule
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Figure 117: Modify Groups window Ch
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Selecting your active policy rules
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Figure 120: IP Filter General Prope
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9 CHAPTER Configuring Proxies In th
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Chapter 9: Configuring Proxies Prox
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Redirected proxy connections Chapte
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Figure 123: Port redirection for in
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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 Chapte
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HTTP/HTTPS considerations Chapter 9
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Figure 124: News server in front of
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About the T.120 proxy Chapter 9: Co
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Chapter 9: Configuring Proxies Note
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Figure 126: Proxies window About th
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Figure 127: ica proxy Advanced tab
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Configuring connection ports Chapte
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10 CHAPTER Setting Up Authenticatio
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Administrator authentication Chapte
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Supported authentication methods Ch
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SafeWord authentication Chapter 10:
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Chapter 10: Setting Up Authenticati
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Users, groups, and authentication C
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Figure 131: SSO Cached Authenticati
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Figure 133: Password Configuration
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Entering information on the RADIUS
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Adding or modifying a SafeWord serv
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Figure 137: SNK Configuration windo
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Entering information on the Windows
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Entering information on the Single
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Setting up authentication for servi
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Setting up authentication for Web s
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11 CHAPTER DNS (Domain Name System)
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About Sidewinder hosted DNS Chapter
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Figure 140: Mail exchanger example
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Advanced configurations Enabling an
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Figure 141: Transparent DNS Configu
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Chapter 11: DNS (Domain Name System
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Entering information on the Forward
Page 351 and 352: Adding an IP address Figure 146: DN
Page 353 and 354: About the Zone List window About th
Page 355 and 356: Figure 147: Master Zone Attributes
Page 357 and 358: Adding a forward lookup sub-domain
Page 359 and 360: Figure 148: Master Zone Contents ta
Page 361 and 362: Adding a new forward lookup entry C
Page 363 and 364: Table 26: DNS configuration options
Page 365 and 366: Figure 150: Reconfiguring Sidewinde
Page 367 and 368: About the Reconfiguring DNS: Sidewi
Page 369 and 370: DNS message logging Chapter 11: DNS
Page 371 and 372: 12 CHAPTER Electronic Mail In this
Page 373 and 374: Chapter 12: Electronic Mail Overvie
Page 375 and 376: Sendmail differences on Sidewinder
Page 377 and 378: Reconfiguring mail Figure 152: Reco
Page 379 and 380: Managing sendmail Figure 153: sendm
Page 381 and 382: Chapter 12: Electronic Mail Editing
Page 383 and 384: Figure 155: Spamfilter: Whitelist C
Page 385 and 386: Chapter 12: Electronic Mail Configu
Page 387 and 388: About the COPY action Chapter 12: E
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Page 391 and 392: Other sendmail features Creating a
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Page 395 and 396: Allowing or denying mail on a user
Page 397 and 398: Chapter 12: Electronic Mail Managin
Page 399 and 400: 13 CHAPTER Setting Up Web Services
Page 401: Figure 158: Access to your Web serv
Page 405 and 406: Setting up Web access using the HTT
Page 407 and 408: Using the Web proxy server Figure 1
Page 409 and 410: Configuring the Web proxy server Fi
Page 411 and 412: Figure 168: Web Proxy Server window
Page 413 and 414: Configuring Web Proxy Server HTTP f
Page 415 and 416: Configuring browsers for the Web pr
Page 417 and 418: Certain browsers on UNIX Chapter 13
Page 419 and 420: 14 CHAPTER Configuring Virtual Priv
Page 421 and 422: Protecting your information What ar
Page 423 and 424: Authenticating IKE VPNs Chapter 14:
Page 425 and 426: Configuring a VPN client Chapter 14
Page 427 and 428: Authentication Summary Automatic ke
Page 429 and 430: Chapter 14: Configuring Virtual Pri
Page 431 and 432: Understanding virtual burbs Chapter
Page 433 and 434: Create the virtual burb Configure p
Page 435 and 436: About the Client Address Pools wind
Page 437 and 438: Adding or modifying a subnet addres
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Page 441 and 442: Adding or modifying a client identi
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Page 445 and 446: Single certificate versus Certifica
Page 447 and 448: Adding a Certificate Authority Chap
Page 449 and 450: Figure 180: Remote Identities tab A
Page 451 and 452: Figure 181: Firewall certificates A
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Figure 182: Remote certificates def
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Chapter 14: Configuring Virtual Pri
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Selecting a new proxy certificate I
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Figure 185: Import Firewall Certifi
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Exporting both the certificate and
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About the Security Associations win
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Configuring password information on
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Entering Certificate + Certificate
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Entering Manual information on the
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Entering information on the Advance
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Figure 191: VPN between two corpora
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Figure 192: One VPN association per
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Figure 193: One VPN association for
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15 CHAPTER Configuring the SNMP Age
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Figure 195: Community name within a
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Figure 196: MIBs supported by the S
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Defining a community name Defining
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Communication with systems in an ex
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16 CHAPTER One-To-Many Clusters In
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Considerations when using One-To-Ma
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Configuring One- To-Many Chapter 16
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Figure 201: One To Many Management
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Chapter 16: One-To-Many Clusters Co
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Chapter 16: One-To-Many Clusters Co
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Chapter 16: One-To-Many Clusters Un
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17 CHAPTER High Availability In thi
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HA configuration options Chapter 17
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You can configure failover HA in on
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Configuring the heartbeat burbs Cha
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Chapter 17: High Availability Confi
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Removing a secondary/standby from a
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Managing an HA cluster Features tha
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Chapter 17: High Availability Manag
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Changing the multicast address Chap
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About the Local Parameters tab Chap
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Chapter 17: High Availability Manag
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18 CHAPTER Monitoring In this chapt
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About the dashboard Viewing device
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Figure 211: System information: Dis
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Figure 213: Network Traffic: Interf
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Viewing IPS attack and system event
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Figure 218: Attacks by Service wind
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Monitoring Sidewinder G2 status usi
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finger Chapter 18: Monitoring Monit
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dig Chapter 18: Monitoring Monitori
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19 CHAPTER Auditing and Reporting I
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Auditing on the Sidewinder G2 Chapt
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Figure 221: Audit Viewing: View Mod
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Chapter 19: Auditing and Reporting
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Figure 224: Audit Veiwing: Filterin
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Attack Description Application Defe
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Attack Description Chapter 19: Audi
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Example 2: Filtering for services a
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Understanding audit messages Chapte
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Generating reports using the Admin
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Figure 226: Show Report window Tabl
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Report type Description Chapter 19:
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Report type Description Table 37: A
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Generating reports using Sidewinder
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20 CHAPTER IPS Attack and System Ev
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About the IPS Attack Responses wind
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Attack Description Application Defe
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Chapter 20: IPS Attack and System E
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Figure 230: Attack Responses: Setti
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Figure 232: System Responses Modify
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Event Description system critical a
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Figure 233: System Responses: Respo
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Sidewinder G2 SNMP traps Chapter 20
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Chapter 20: IPS Attack and System E
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A APPENDIX Command Line Reference I
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Sidewinder G2 area Commands Area De
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About editing Sidewinder G2 files A
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Changing file types in the operatio
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etc/monthly Appendix A: Command Lin
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CRL and certificate retrieval cron
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B APPENDIX Setting Up Network Time
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Figure 235: Sidewinder G2 as an NTP
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Figure 237: NTP conflict: Sidewinde
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Using command line: Appendix B: Set
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C APPENDIX Configuring Dynamic Rout
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Figure 238: Three OSPF protocol pha
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Figure 240: Sidewinder G2 within OS
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Figure 242: OSPF Properties tab Abo
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Configuring the OSPF Area: Interfac
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Configuring the OSPF Areas: Network
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D APPENDIX Configuring Dynamic Rout
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RIP processing on the Sidewinder G2
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Appendix D: Configuring Dynamic Rou
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RIP with Sidewinder G2 not using tr
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Enabling/ disabling the routed serv
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E APPENDIX Setting Up SmartFilter S
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4 Click Evaluate this version. 5 Co
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Figure 252: SmartFilter for Web and
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Appendix E: Setting Up SmartFilter
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F APPENDIX Basic Troubleshooting In
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Restoring access to the Admin Conso
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Appendix F: Basic Troubleshooting B
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Restoring system files Appendix F:
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8 [Conditional] If needed, change p
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Appendix F: Basic Troubleshooting R
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Adding hardware to an active Sidewi
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Recovering when the licensed NIC fa
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What to do if the boot process fail
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If you forget your administrator pa
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Interpreting beep patterns Table 45
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Troubleshooting proxy rules Appendi
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Appendix F: Basic Troubleshooting T
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Understanding FTP and Telnet connec
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Active firewall list: 10.10.10.7 St
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Appendix F: Basic Troubleshooting T
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Why did NTP stop? Appendix F: Basic
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GLOSSARY ACE/Server A server made b
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Glossary burb A set of one or more
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Glossary external DNS External DNS
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ISAKMP (internet security associati
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ODBC (Open Database Connectivity) G
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eference implementation An IETF ter
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Glossary subnet A network addressin
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INDEX A A record (address record) 3
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B backup backup_file_list 51 comple
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domains access 7 Admn 8 checking 49
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Internet server 317 InterNIC 529 IP
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networks connections report 527 int
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R RADIUS authentication 281, 292 Re
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Sidewinder G2 Enterprise Manager xx
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user passwords 137 users changing p
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The Sidewinder G2 ® Security Appli
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