WatchGuard Firebox System 7.0 User Guide

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Chapter 9: Configuring Proxied Servicescatch dangerous content types in ways that packet filterscannot.To add or configure a proxied service, use the proceduresfor filtered services in the previous chapter, “ConfiguringFiltered Services.” For more information on proxies, see thefollowing collection of FAQs:https://support.watchguard.com/advancedfaqs/proxy_main.aspProtocol Anomaly DetectionAs attackers become more sophisticated, new tools are necessaryto counter their threats. Anomaly detection is apowerful new technology for protecting your networkfrom attacks.An anomaly–in the context of network security–is data,action, or behavior that deviates from what is expected fora given user, network, or system. Because network protocolsare normally very restrictive, strict models of expectedbehavior can be constructed and deviations easily noted.Protocol anomaly detection (PAD) can detect a wide rangeof anomalies within the protocol space.Using protocol anomaly detection, you can automaticallyadd originators of malformed packets to the auto-blockedsites list. You can specify the rules that determine whethera packet is malformed, such as “non-allowed query type”or “question length too long for DNS request.”Protocol anomaly detection is supported by the SMTP, FTP,and DNS proxies.136 WatchGuard Firebox System
Customizing Logging and Notification for ProxiesCustomizing Logging and Notification forProxiesFor more information on logging and notification and thevarious fields on the Logging and Notification dialog box,see “Customizing logging and notification” on page 128.From the Properties dialog box:1 Click the Incoming tab.2 Click Logging.The Logging and Notification dialog box appears, as shown in thefollowing figure.3 Customize logging and notification using the settingsin this dialog box, as described in “Customizinglogging and notification” on page 128.Configuring an SMTP Proxy ServiceThe SMTP proxy limits several potentially harmful aspectsof email. The proxy scans the content type and content dispositionheaders, and then compares them against a userdefinedlist of known hostile signatures. Email messagescontaining suspect attachments are stripped of their attachmentsand then sent to the intended recipient.User Guide 137
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WatchGuard ®Firebox ® SystemUser
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somewhere reasonably visible in you
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(B) Use any backup or archival copy
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8.Miscellaneous Provisions. This AG
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ContentsCHAPTER 1 Introduction ....
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Testing the connection ............
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Controlling the HostWatch display .
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Detecting Man-in-the-Middle Attacks
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Deleting a report .................
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CHAPTER 1IntroductionWelcome to Wat
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Minimum RequirementsHistorical Repo
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.WatchGuard OptionsHardwarefeatureC
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About this Guideallowed to enter yo
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CHAPTER 2Service and SupportNo Inte
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LiveSecurity® Broadcastsdivided in
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LiveSecurity® Self Help Tools3 Com
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WatchGuard Users GroupGuard Technic
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Online Helpto display a list of top
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Assisted Supportto assist you in ma
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Training and Certificationto speed
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CHAPTER 3Getting StartedThe WatchGu
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Gathering Network InformationNetwor
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.Gathering Network InformationThe f
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Selecting a Firewall Configuration
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Setting Up the Management Station4
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Cabling the FireboxUser Guide 39
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Running the QuickSetup WizardProvid
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Entering IP addressesRunning the Qu
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What’s Nextservices, in addition
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CHAPTER 4Firebox BasicsThis chapter
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Opening a Configuration FileTrusted
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Saving a Configuration File3 From t
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Resetting Firebox Passphrasesenter
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Setting the Time Zone2 Select the m
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CHAPTER 5Using PolicyManager toConf
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Setting IP Addresses of Firebox Int
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Setting DHCP or PPPoE Support on th
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Defining External IP Aliases2 Confi
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Entering WINS and DNS Server Addres
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Defining a Firebox as a DHCP Server
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Adding Basic Services to Policy Man
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Configuring Routes3 Click the Net o
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CHAPTER 6Managing andMonitoring the
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Viewing Basic Firebox StatusThe top
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Viewing Basic Firebox Statusbut the
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Viewing Basic Firebox Status• The
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Monitoring Firebox TrafficSetting t
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Performing Basic Tasks with System
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Page 109 and 110: Viewing Bandwidth Usage(shown above
Page 111 and 112: Viewing Details on Firebox Activity
Page 119 and 120: HostWatchHostWatchHostWatch is a re
Page 121 and 122: HostWatch3 Enter the Firebox status
Page 123 and 124: CHAPTER 7Configuring NetworkAddress
Page 125 and 126: Using Simple Dynamic NATService-bas
Page 127 and 128: Using Simple Dynamic NAT3 Use the T
Page 129 and 130: Using Service-Based Dynamic NATEnab
Page 131 and 132: Configuring a Service for Incoming
Page 133 and 134: Using 1-to-1 NATA one-to-one mappin
Page 135 and 136: CHAPTER 8Configuring FilteredServic
Page 137 and 138: Selecting Services for your Securit
Page 139 and 140: Adding and Configuring Servicesrigh
Page 141 and 142: Adding and Configuring Services5 (O
Page 143 and 144: Adding and Configuring Services3 In
Page 145 and 146: Adding and Configuring Services11 C
Page 147 and 148: Defining Service PropertiesEnabled
Page 149 and 150: Defining Service Properties6 Click
Page 151 and 152: Defining Service Propertiesthe serv
Page 153 and 154: Service Precedencegroup always have
Page 155 and 156: Service Precedencether down the pre
Page 157: CHAPTER 9Configuring ProxiedService
Page 161 and 162: Configuring an SMTP Proxy Service3
Page 163 and 164: Configuring an SMTP Proxy Service2
Page 165 and 166: Configuring an SMTP Proxy ServiceAd
Page 167 and 168: Configuring an SMTP Proxy ServiceEn
Page 169 and 170: Configuring an SMTP Proxy ServiceCo
Page 171 and 172: Configuring an FTP Proxy Service6 S
Page 173 and 174: Selecting an HTTP Service4 Select t
Page 175 and 176: Selecting an HTTP Servicefrom Any t
Page 177 and 178: Configuring the DNS Proxy ServiceGE
Page 179 and 180: Configuring the DNS Proxy Service3
Page 181 and 182: Configuring the DNS Proxy ServiceYo
Page 183 and 184: CHAPTER 10Creating Aliases andImple
Page 185 and 186: Using AliasesGroupfireboxtrustedopt
Page 187 and 188: How User Authentication WorksHow Us
Page 189 and 190: Defining Firebox Users and Groups f
Page 191 and 192: Defining Firebox Users and Groups f
Page 193 and 194: Configuring RADIUS Server Authentic
Page 195 and 196: Configuring CRYPTOCard Server Authe
Page 197 and 198: Configuring SecurID AuthenticationC
Page 199 and 200: CHAPTER 11Intrusion Detectionand Pr
Page 201 and 202: Default Packet Handlingtion. In con
Page 203 and 204: Default Packet Handlingnetwork. Alt
Page 205 and 206: Detecting Man-in-the-Middle Attacks
Page 207 and 208: Blocking Sites• Permanently block
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Blocking SitesUsing an external lis
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Blocking PortsBy default, the Fireb
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Blocking PortsAvoiding problems wit
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Integrating Intrusion Detectionand
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Integrating Intrusion DetectionUsin
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Integrating Intrusion Detectionposs
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CHAPTER 12Setting Up Loggingand Not
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Developing Logging and Notification
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WatchGuard Logging Architecturehost
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Designating Log Hosts for a Firebox
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Setting up the WatchGuard Security
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Setting up the WatchGuard Security
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Setting Global Logging and Notifica
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Setting Global Logging and Notifica
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Customizing Logging and Notificatio
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CHAPTER 13Reviewing andWorking with
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Viewing Files with LogViewer2 Brows
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Displaying and Hiding FieldsCopying
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Displaying and Hiding Fieldsthen co
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Working with Log Filescurrent log f
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Working with Log Files5 Stop and re
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Working with Log Filesappear until
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CHAPTER 14Generating Reportsof Netw
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Creating and Editing Reports2 Enter
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Specifying Report Sections3 From th
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Exporting ReportsSetting a Firebox
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Using Report Filtersdrive:\WatchGua
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Scheduling and Running ReportsDelet
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Report Sections and Consolidated Se
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CHAPTER 15 Controlling Web SiteAcce
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Getting Started with WebBlockerYou
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Configuring the WebBlocker Service3
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Configuring the WebBlocker ServiceF
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Configuring the WebBlocker ServiceF
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Automating WebBlocker Database Down
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CHAPTER 16Connecting with Outof-Ban
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Enabling the Management StationInst
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Configuring the Firebox for OOBConf
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APPENDIX ATroubleshootingFirebox Co
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Method 1: Ethernet Dongle Method7 O
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Method 2: The Flash Disk Management
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Method 4: Serial Dongle (Firebox II
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IndexSymbols.cfg files 49.ftr files
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default lease time for 67described
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viewing active connections on 97vie
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log rollover 212loggingarchitecture
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Pestablishing connection 269install
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and FTP 115, 149and HTTP 115and POP
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and wg_dvcp service 127described 5V
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