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

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Chapter 14: Configuring Virtual Private Networks Example VPN Scenarios Example VPN Scenarios 450 Caution: Do not enable the Forced Rekey option if you have One-To-Many configured and are using static IP addresses for your VPNs. Doing so will cause all Sidewinder G2s in the cluster to attempt to instantiate the VPN at the same time, resulting in failure. • PFS—(Perfect Forward Secrecy) If this option is enabled it ensures that the key material associated with each IPsec security association cannot be derived from the key material used to authenticate the remote peer during the ISAKMP negotiation. If a key is compromised by a hacker, the information available to that hacker is dependent on whether you select Identity or Key Only. – Identity: Indicates that a Phase 1 negotiation is performed for every Phase 2. This means the identity will not be revealed even if the key is compromised; only the data protected by that key will be accessible. The downside is that system performance may be hurt because of the many negotiations. – Key Only: Phase 1 negotiations are not performed for every Phase 2. This will increase performance but may allow access to the identity if the key is compromised. • Oakley Group: Indicates the Diffie-Hellman group to use for the PFS derivation of IPsec keys. Available only if the PFS option is enabled. The following sections describe three typical VPN scenarios. Each scenario begins by describing a particular VPN requirement. It then explains how to implement the solution using the Admin Console. These scenarios assume the following: • The CMD server is enabled on the Sidewinder G2. (This server is enabled by default.) • The ISAKMP server is enabled on the appropriate burb. See “Configuring the ISAKMP server” on page 402 for information on enabling this server. In the scenarios that follow, it is assumed the server is enabled on the Internet burb. • The proper rule(s) are defined to allow ISAKMP traffic on the proper burb(s). In the scenarios that follow it is assumed a rule has been defined that allows ISAKMP traffic on the Internet burb. Note: The values used in the following scenarios are for demonstration purposes only.
Figure 191: VPN between two corporate offices Chapter 14: Configuring Virtual Private Networks Example VPN Scenarios Scenario 1: G2-to-G2 VPN via shared password The easiest type of VPN association to configure is one that uses a shared password for authentication. A shared password is typically used to establish a VPN association between two corporate offices that have static IP addresses. Such a situation occurs if you have a business partner that requires access to your network, or if you have one or more corporate divisions located in different cities. The following figure provides the sample configuration information used in this scenario. The requirements This VPN scenario requires the following: • A VPN connection between two corporate offices • Shared password authentication • Static IP addresses for each peer in the VPN association How it is done Sidewinder G2 50.1.0.0/16 100.1.1.1 fw.west.example.com The following steps show the fields on the VPN menus that must be defined in order to create this VPN association. The configuration steps are performed on the Sidewinder G2 named fw.east.example.com. In the Admin Console, select VPN Configuration > Security Associations, and then click New to configure a new association. 1 On the General tab: • Name = corporate_west • Encapsulation = Tunnel • Mode = Fixed IP • Enabled = Yes • Burb = Trusted • Local IP = localhost 200.1.1.1 Sidewinder G2 Internet burb Trusted burb fw.east.example.com 250.1.1.0/24 451
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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
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Adding an IP address Figure 146: DN
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About the Zone List window About th
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Figure 147: Master Zone Attributes
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Adding a forward lookup sub-domain
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Figure 148: Master Zone Contents ta
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Adding a new forward lookup entry C
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Table 26: DNS configuration options
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Figure 150: Reconfiguring Sidewinde
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About the Reconfiguring DNS: Sidewi
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DNS message logging Chapter 11: DNS
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12 CHAPTER Electronic Mail In this
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Chapter 12: Electronic Mail Overvie
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Sendmail differences on Sidewinder
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Reconfiguring mail Figure 152: Reco
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Managing sendmail Figure 153: sendm
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Chapter 12: Electronic Mail Editing
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Figure 155: Spamfilter: Whitelist C
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Chapter 12: Electronic Mail Configu
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About the COPY action Chapter 12: E
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Chapter 12: Electronic Mail Configu
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Other sendmail features Creating a
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5 Save the changes you made to file
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Allowing or denying mail on a user
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Chapter 12: Electronic Mail Managin
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13 CHAPTER Setting Up Web Services
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Figure 158: Access to your Web serv
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Figure 161: Option 2: The Web proxy
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Setting up Web access using the HTT
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Using the Web proxy server Figure 1
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Configuring the Web proxy server Fi
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Figure 168: Web Proxy Server window
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Configuring Web Proxy Server HTTP f
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Configuring browsers for the Web pr
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Certain browsers on UNIX Chapter 13
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14 CHAPTER Configuring Virtual Priv
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Protecting your information What ar
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Authenticating IKE VPNs Chapter 14:
Page 425 and 426: Configuring a VPN client Chapter 14
Page 427 and 428: Authentication Summary Automatic ke
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Page 431 and 432: Understanding virtual burbs Chapter
Page 433 and 434: Create the virtual burb Configure p
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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
Page 453 and 454: Figure 182: Remote certificates def
Page 457 and 458: Selecting a new proxy certificate I
Page 459 and 460: Figure 185: Import Firewall Certifi
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Page 465 and 466: About the Security Associations win
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Page 495 and 496: Defining a community name Defining
Page 497 and 498: Communication with systems in an ex
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Page 501 and 502: Considerations when using One-To-Ma
Page 503 and 504: Configuring One- To-Many Chapter 16
Page 505 and 506: Figure 201: One To Many Management
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Page 515 and 516: HA configuration options Chapter 17
Page 517 and 518: You can configure failover HA in on
Page 519 and 520: Configuring the heartbeat burbs Cha
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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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